diff --git a/README-SAMPLES.md b/README-SAMPLES.md
index edd5689f..dcb56b02 100644
--- a/README-SAMPLES.md
+++ b/README-SAMPLES.md
@@ -352,10 +352,16 @@ Conversion test driver
 #### easyaccess-test
 
 ```
-Usage: easyaccess-test file
+Usage: ..\build\bin\easyaccess-test.exe file [category [category ...]]
+Categories: Orientation | ISOspeed | DateTimeOriginal | FlashBias | ExposureMode | SceneMode |
+            MacroMode | ImageQuality | WhiteBalance | LensName | Saturation | Sharpness |
+            Contrast | SceneCaptureType | MeteringMode | Make | Model | ExposureTime | FNumber |
+            ShutterSpeed | Aperture | Brightness | ExposureBias | MaxAperture | SubjectDistance |
+            LightSource | Flash | SerialNumber | FocalLength | SubjectArea | FlashEnergy |
+            ExposureIndex | SensingMethod | AFpoint
 ```
 
-Sample program using high-level metadata access functions
+Sample program using high-level metadata access functions. Without specification of a category, metadata for all categories are shown.
 
 [Sample](#TOC1) Programs [Test](#TOC2) Programs
 
diff --git a/samples/easyaccess-test.cpp b/samples/easyaccess-test.cpp
index ee2fc574..aa602743 100644
--- a/samples/easyaccess-test.cpp
+++ b/samples/easyaccess-test.cpp
@@ -5,43 +5,57 @@
 #include <iomanip>
 #include <iostream>
 
+// Type for an Exiv2 Easy access function
+using EasyAccessFct = Exiv2::ExifData::const_iterator (*)(const Exiv2::ExifData&);
+
 static constexpr auto easyAccess = std::array{
-    std::pair("Orientation", &Exiv2::orientation),
-    std::pair("ISO speed", &Exiv2::isoSpeed),
-    std::pair("Date & time original", &Exiv2::dateTimeOriginal),
-    std::pair("Flash bias", &Exiv2::flashBias),
-    std::pair("Exposure mode", &Exiv2::exposureMode),
-    std::pair("Scene mode", &Exiv2::sceneMode),
-    std::pair("Macro mode", &Exiv2::macroMode),
-    std::pair("Image quality", &Exiv2::imageQuality),
-    std::pair("White balance", &Exiv2::whiteBalance),
-    std::pair("Lens name", &Exiv2::lensName),
-    std::pair("Saturation", &Exiv2::saturation),
-    std::pair("Sharpness", &Exiv2::sharpness),
-    std::pair("Contrast", &Exiv2::contrast),
-    std::pair("Scene capture type", &Exiv2::sceneCaptureType),
-    std::pair("Metering mode", &Exiv2::meteringMode),
-    std::pair("Camera make", &Exiv2::make),
-    std::pair("Camera model", &Exiv2::model),
-    std::pair("Exposure time", &Exiv2::exposureTime),
-    std::pair("FNumber", &Exiv2::fNumber),
-    std::pair("Shutter speed value", &Exiv2::shutterSpeedValue),
-    std::pair("Aperture value", &Exiv2::apertureValue),
-    std::pair("Brightness value", &Exiv2::brightnessValue),
-    std::pair("Exposure bias", &Exiv2::exposureBiasValue),
-    std::pair("Max aperture value", &Exiv2::maxApertureValue),
-    std::pair("Subject distance", &Exiv2::subjectDistance),
-    std::pair("Light source", &Exiv2::lightSource),
-    std::pair("Flash", &Exiv2::flash),
-    std::pair("Camera serial number", &Exiv2::serialNumber),
-    std::pair("Focal length", &Exiv2::focalLength),
-    std::pair("Subject location/area", &Exiv2::subjectArea),
-    std::pair("Flash energy", &Exiv2::flashEnergy),
-    std::pair("Exposure index", &Exiv2::exposureIndex),
-    std::pair("Sensing method", &Exiv2::sensingMethod),
-    std::pair("AF point", &Exiv2::afPoint),
+    std::make_tuple("Orientation", &Exiv2::orientation, "Orientation"),
+    std::make_tuple("ISO speed", &Exiv2::isoSpeed, "ISOspeed"),
+    std::make_tuple("Date & time original", &Exiv2::dateTimeOriginal, "DateTimeOriginal"),
+    std::make_tuple("Flash bias", &Exiv2::flashBias, "FlashBias"),
+    std::make_tuple("Exposure mode", &Exiv2::exposureMode, "ExposureMode"),
+    std::make_tuple("Scene mode", &Exiv2::sceneMode, "SceneMode"),
+    std::make_tuple("Macro mode", &Exiv2::macroMode, "MacroMode"),
+    std::make_tuple("Image quality", &Exiv2::imageQuality, "ImageQuality"),
+    std::make_tuple("White balance", &Exiv2::whiteBalance, "WhiteBalance"),
+    std::make_tuple("Lens name", &Exiv2::lensName, "LensName"),
+    std::make_tuple("Saturation", &Exiv2::saturation, "Saturation"),
+    std::make_tuple("Sharpness", &Exiv2::sharpness, "Sharpness"),
+    std::make_tuple("Contrast", &Exiv2::contrast, "Contrast"),
+    std::make_tuple("Scene capture type", &Exiv2::sceneCaptureType, "SceneCaptureType"),
+    std::make_tuple("Metering mode", &Exiv2::meteringMode, "MeteringMode"),
+    std::make_tuple("Camera make", &Exiv2::make, "Make"),
+    std::make_tuple("Camera model", &Exiv2::model, "Model"),
+    std::make_tuple("Exposure time", &Exiv2::exposureTime, "ExposureTime"),
+    std::make_tuple("FNumber", &Exiv2::fNumber, "FNumber"),
+    std::make_tuple("Shutter speed value", &Exiv2::shutterSpeedValue, "ShutterSpeed"),
+    std::make_tuple("Aperture value", &Exiv2::apertureValue, "Aperture"),
+    std::make_tuple("Brightness value", &Exiv2::brightnessValue, "Brightness"),
+    std::make_tuple("Exposure bias", &Exiv2::exposureBiasValue, "ExposureBias"),
+    std::make_tuple("Max aperture value", &Exiv2::maxApertureValue, "MaxAperture"),
+    std::make_tuple("Subject distance", &Exiv2::subjectDistance, "SubjectDistance"),
+    std::make_tuple("Light source", &Exiv2::lightSource, "LightSource"),
+    std::make_tuple("Flash", &Exiv2::flash, "Flash"),
+    std::make_tuple("Camera serial number", &Exiv2::serialNumber, "SerialNumber"),
+    std::make_tuple("Focal length", &Exiv2::focalLength, "FocalLength"),
+    std::make_tuple("Subject location/area", &Exiv2::subjectArea, "SubjectArea"),
+    std::make_tuple("Flash energy", &Exiv2::flashEnergy, "FlashEnergy"),
+    std::make_tuple("Exposure index", &Exiv2::exposureIndex, "ExposureIndex"),
+    std::make_tuple("Sensing method", &Exiv2::sensingMethod, "SensingMethod"),
+    std::make_tuple("AF point", &Exiv2::afPoint, "AFpoint"),
 };
 
+static const void printFct(EasyAccessFct fct, Exiv2::ExifData ed, const char* label) {
+  auto pos = fct(ed);
+  std::cout << std::setw(21) << std::left << label;
+  if (pos != ed.end()) {
+    std::cout << " (" << std::setw(35) << pos->key() << ") : " << pos->print(&ed) << "\n";
+  } else {
+    std::cout << " (" << std::setw(35) << " "
+              << ") : \n";
+  }
+}
+
 int main(int argc, char** argv) {
   try {
     Exiv2::XmpParser::initialize();
@@ -50,8 +64,19 @@ int main(int argc, char** argv) {
     Exiv2::enableBMFF();
 #endif
 
-    if (argc != 2) {
-      std::cout << "Usage: " << argv[0] << " file\n";
+    if (argc < 2) {
+      int count = 0;
+      std::cout << "Usage: " << argv[0] << " file [category [category ...]]\nCategories: ";
+      for (auto&& [label, fct, name] : easyAccess) {
+        if (count > 0)
+          std::cout << " | ";
+        if (count == 6 || count == 12 || count == 19 || count == 25 || count == 31)
+          std::cout << "\n            ";
+
+        std::cout << name;
+        count++;
+      }
+      std::cout << "\n";
       return EXIT_FAILURE;
     }
 
@@ -59,18 +84,28 @@ int main(int argc, char** argv) {
     image->readMetadata();
     Exiv2::ExifData& ed = image->exifData();
 
-    for (auto&& [label, fct] : easyAccess) {
-      auto pos = fct(ed);
-      std::cout << std::setw(21) << std::left << label;
-      if (pos != ed.end()) {
-        std::cout << " (" << std::setw(35) << pos->key() << ") : " << pos->print(&ed) << "\n";
-      } else {
-        std::cout << " (" << std::setw(35) << " "
-                  << ") : \n";
+    if (argc > 2) {
+      for (int i = 2; i < argc; i++) {
+        bool categoryOk = false;
+        for (auto&& [label, fct, name] : easyAccess) {
+          if (strcmp(argv[i], name) == 0) {
+            printFct(fct, ed, label);
+            categoryOk = true;
+            break;
+          }
+        }
+        if (!categoryOk) {
+          std::cout << "Categoy >" << argv[i] << "< is invalid.\n";
+          return EXIT_FAILURE;
+        }
+      }
+    } else {
+      for (auto&& [label, fct, name] : easyAccess) {
+        printFct(fct, ed, label);
       }
-    }
 
-    return EXIT_SUCCESS;
+      return EXIT_SUCCESS;
+    }
   } catch (Exiv2::Error& e) {
     std::cout << "Caught Exiv2 exception '" << e << "'\n";
     return EXIT_FAILURE;
diff --git a/src/easyaccess.cpp b/src/easyaccess.cpp
index 99840b24..eb07ea5e 100644
--- a/src/easyaccess.cpp
+++ b/src/easyaccess.cpp
@@ -31,10 +31,10 @@ ExifData::const_iterator findMetadatum(const ExifData& ed, const char* keys[], s
 namespace Exiv2 {
 ExifData::const_iterator orientation(const ExifData& ed) {
   static const char* keys[] = {
-      "Exif.Image.Orientation",     "Exif.Panasonic.Rotation",     "Exif.MinoltaCs5D.Rotation",
-      "Exif.MinoltaCs5D.Rotation2", "Exif.MinoltaCs7D.Rotation",   "Exif.Sony1MltCsA100.Rotation",
-      "Exif.Sony1Cs.Rotation",      "Exif.Sony2Cs.Rotation",       "Exif.Sony1Cs2.Rotation",
-      "Exif.Sony2Cs2.Rotation",     "Exif.Sony1MltCsA100.Rotation"};
+      "Exif.Image.Orientation",       "Exif.Panasonic.Rotation",    "Exif.PanasonicRaw.Orientation",
+      "Exif.MinoltaCs5D.Rotation",    "Exif.MinoltaCs5D.Rotation2", "Exif.MinoltaCs7D.Rotation",
+      "Exif.Sony1MltCsA100.Rotation", "Exif.Sony1Cs.Rotation",      "Exif.Sony2Cs.Rotation",
+      "Exif.Sony1Cs2.Rotation",       "Exif.Sony2Cs2.Rotation",     "Exif.Sony1MltCsA100.Rotation"};
   return findMetadatum(ed, keys, std::size(keys));
 }
 
@@ -45,9 +45,11 @@ ExifData::const_iterator isoSpeed(const ExifData& ed) {
                                "Exif.CanonCs.ISOSpeed",
                                "Exif.Nikon1.ISOSpeed",
                                "Exif.Nikon2.ISOSpeed",
+                               "Exif.Nikon3.ISOSettings",
                                "Exif.Nikon3.ISOSpeed",
                                "Exif.NikonIi.ISO",
                                "Exif.NikonIi.ISO2",
+                               "Exif.NikonSiD300a.ISO",
                                "Exif.MinoltaCsNew.ISOSetting",
                                "Exif.MinoltaCsOld.ISOSetting",
                                "Exif.MinoltaCs5D.ISOSpeed",
@@ -163,10 +165,11 @@ ExifData::const_iterator flashBias(const ExifData& ed) {
 
 ExifData::const_iterator exposureMode(const ExifData& ed) {
   static const char* keys[] = {
-      "Exif.Photo.ExposureProgram",     "Exif.Image.ExposureProgram",    "Exif.CanonCs.ExposureProgram",
-      "Exif.MinoltaCs7D.ExposureMode",  "Exif.MinoltaCs5D.ExposureMode", "Exif.MinoltaCsNew.ExposureMode",
-      "Exif.MinoltaCsOld.ExposureMode", "Exif.Sony1.ExposureMode",       "Exif.Sony2.ExposureMode",
-      "Exif.Sony1Cs.ExposureProgram",   "Exif.Sony2Cs.ExposureProgram",  "Exif.Sony1MltCsA100.ExposureMode",
+      "Exif.Photo.ExposureProgram",     "Exif.Image.ExposureProgram",       "Exif.CanonCs.ExposureProgram",
+      "Exif.MinoltaCs7D.ExposureMode",  "Exif.MinoltaCs5D.ExposureMode",    "Exif.MinoltaCsNew.ExposureMode",
+      "Exif.MinoltaCsOld.ExposureMode", "Exif.OlympusCs.ExposureMode",      "Exif.Sony1.ExposureMode",
+      "Exif.Sony2.ExposureMode",        "Exif.Sony1Cs.ExposureProgram",     "Exif.Sony1Cs2.ExposureProgram",
+      "Exif.Sony2Cs.ExposureProgram",   "Exif.Sony1MltCsA100.ExposureMode", "Exif.SonyMisc2b.ExposureProgram",
       "Exif.Sigma.ExposureMode"};
   return findMetadatum(ed, keys, std::size(keys));
 }
@@ -190,58 +193,74 @@ ExifData::const_iterator sceneMode(const ExifData& ed) {
 }
 
 ExifData::const_iterator macroMode(const ExifData& ed) {
-  static const char* keys[] = {"Exif.CanonCs.Macro",          "Exif.Fujifilm.Macro",  "Exif.Olympus.Macro",
-                               "Exif.OlympusCs.MacroMode",    "Exif.Panasonic.Macro", "Exif.MinoltaCsNew.MacroMode",
-                               "Exif.MinoltaCsOld.MacroMode", "Exif.Sony1.Macro",     "Exif.Sony2.Macro"};
+  static const char* keys[] = {
+      "Exif.CanonCs.Macro",       "Exif.Fujifilm.Macro",  "Exif.Olympus.Macro",          "Exif.Olympus2.Macro",
+      "Exif.OlympusCs.MacroMode", "Exif.Panasonic.Macro", "Exif.MinoltaCsNew.MacroMode", "Exif.MinoltaCsOld.MacroMode",
+      "Exif.Sony1.Macro",         "Exif.Sony2.Macro"};
   return findMetadatum(ed, keys, std::size(keys));
 }
 
 ExifData::const_iterator imageQuality(const ExifData& ed) {
-  static const char* keys[] = {"Exif.CanonCs.Quality",      "Exif.Fujifilm.Quality",       "Exif.Sigma.Quality",
-                               "Exif.Nikon1.Quality",       "Exif.Nikon2.Quality",         "Exif.Nikon3.Quality",
-                               "Exif.Olympus.Quality",      "Exif.OlympusCs.Quality",      "Exif.Panasonic.Quality",
-                               "Exif.Sony1.JPEGQuality",    "Exif.Sony1.Quality",          "Exif.Sony1.Quality2",
-                               "Exif.Sony1Cs.Quality",      "Exif.Sony2.JPEGQuality",      "Exif.Sony2.Quality",
-                               "Exif.Sony2.Quality2",       "Exif.Sony2Cs.Quality",        "Exif.Minolta.Quality",
-                               "Exif.MinoltaCsNew.Quality", "Exif.MinoltaCsOld.Quality",   "Exif.MinoltaCs5D.Quality",
-                               "Exif.MinoltaCs7D.Quality",  "Exif.Sony1MltCsA100.Quality", "Exif.Casio.Quality",
-                               "Exif.Casio2.QualityMode",   "Exif.Casio2.Quality"};
+  static const char* keys[] = {"Exif.CanonCs.Quality",        "Exif.Fujifilm.Quality",    "Exif.Sigma.Quality",
+                               "Exif.Nikon1.Quality",         "Exif.Nikon2.Quality",      "Exif.Nikon3.Quality",
+                               "Exif.Olympus.Quality",        "Exif.Olympus2.Quality",    "Exif.OlympusCs.Quality",
+                               "Exif.Panasonic.Quality",      "Exif.Pentax.Quality",      "Exif.PentaxDng.Quality",
+                               "Exif.Sony1.JPEGQuality",      "Exif.Sony1.Quality",       "Exif.Sony1.Quality2",
+                               "Exif.Sony1Cs.Quality",        "Exif.Sony2.JPEGQuality",   "Exif.Sony2.Quality",
+                               "Exif.Sony2.Quality2",         "Exif.Sony2Cs.Quality",     "Exif.SonyMinolta.Quality",
+                               "Exif.SonyMisc3c.Quality2",    "Exif.Minolta.Quality",     "Exif.MinoltaCsNew.Quality",
+                               "Exif.MinoltaCsOld.Quality",   "Exif.MinoltaCs5D.Quality", "Exif.MinoltaCs7D.Quality",
+                               "Exif.Sony1MltCsA100.Quality", "Exif.Casio.Quality",       "Exif.Casio2.QualityMode",
+                               "Exif.Casio2.Quality"};
   return findMetadatum(ed, keys, std::size(keys));
 }
 
 ExifData::const_iterator whiteBalance(const ExifData& ed) {
   static const char* keys[] = {
-      "Exif.CanonSi.WhiteBalance",        "Exif.Fujifilm.WhiteBalance",    "Exif.Sigma.WhiteBalance",
-      "Exif.Nikon1.WhiteBalance",         "Exif.Nikon2.WhiteBalance",      "Exif.Nikon3.WhiteBalance",
-      "Exif.Olympus.WhiteBalance",        "Exif.OlympusCs.WhiteBalance",   "Exif.Panasonic.WhiteBalance",
-      "Exif.MinoltaCs5D.WhiteBalance",    "Exif.MinoltaCs7D.WhiteBalance", "Exif.MinoltaCsNew.WhiteBalance",
-      "Exif.MinoltaCsOld.WhiteBalance",   "Exif.Minolta.WhiteBalance",     "Exif.Sony1.WhiteBalance",
-      "Exif.Sony2.WhiteBalance",          "Exif.Sony1.WhiteBalance2",      "Exif.Sony2.WhiteBalance2",
-      "Exif.Sony1MltCsA100.WhiteBalance", "Exif.SonyMinolta.WhiteBalance", "Exif.Casio.WhiteBalance",
-      "Exif.Casio2.WhiteBalance",         "Exif.Casio2.WhiteBalance2",     "Exif.Photo.WhiteBalance"};
+      "Exif.CanonSi.WhiteBalance",      "Exif.Fujifilm.WhiteBalance",    "Exif.Sigma.WhiteBalance",
+      "Exif.Nikon1.WhiteBalance",       "Exif.Nikon2.WhiteBalance",      "Exif.Nikon3.WhiteBalance",
+      "Exif.Olympus.WhiteBalance",      "Exif.OlympusCs.WhiteBalance",   "Exif.Panasonic.WhiteBalance",
+      "Exif.MinoltaCs5D.WhiteBalance",  "Exif.MinoltaCs7D.WhiteBalance", "Exif.MinoltaCsNew.WhiteBalance",
+      "Exif.MinoltaCsOld.WhiteBalance", "Exif.Minolta.WhiteBalance",     "Exif.Pentax.WhiteBalance",
+      "Exif.PentaxDng.WhiteBalance",    "Exif.Sony1.WhiteBalance",       "Exif.Sony2.WhiteBalance",
+      "Exif.Sony1.WhiteBalance2",       "Exif.Sony2.WhiteBalance2",      "Exif.Sony1MltCsA100.WhiteBalance",
+      "Exif.SonyMinolta.WhiteBalance",  "Exif.Casio.WhiteBalance",       "Exif.Casio2.WhiteBalance",
+      "Exif.Casio2.WhiteBalance2",      "Exif.Photo.WhiteBalance"};
   return findMetadatum(ed, keys, std::size(keys));
 }
 
 ExifData::const_iterator lensName(const ExifData& ed) {
-  static const char* keys[] = {// Exif.Canon.LensModel only reports focal length.
-                               // Try Exif.CanonCs.LensType first.
-                               "Exif.CanonCs.LensType",      "Exif.Photo.LensModel",       "Exif.NikonLd1.LensIDNumber",
-                               "Exif.NikonLd2.LensIDNumber", "Exif.NikonLd3.LensIDNumber", "Exif.Pentax.LensType",
-                               "Exif.PentaxDng.LensType",    "Exif.Minolta.LensID",        "Exif.SonyMinolta.LensID",
-                               "Exif.Sony1.LensID",          "Exif.Sony2.LensID",          "Exif.Sony1.LensSpec",
-                               "Exif.Sony2.LensSpec",        "Exif.OlympusEq.LensType",    "Exif.Panasonic.LensType",
-                               "Exif.Samsung2.LensType"};
-  return findMetadatum(ed, keys, std::size(keys));
+  static const char* keys[] = {
+      // Try Exif.CanonCs.LensType first.
+      "Exif.CanonCs.LensType",      "Exif.Photo.LensModel",       "Exif.Canon.LensModel",  "Exif.NikonLd1.LensIDNumber",
+      "Exif.NikonLd2.LensIDNumber", "Exif.NikonLd3.LensIDNumber", "Exif.NikonLd4.LensID",  "Exif.NikonLd4.LensIDNumber",
+      "Exif.Pentax.LensType",       "Exif.PentaxDng.LensType",    "Exif.Minolta.LensID",   "Exif.SonyMinolta.LensID",
+      "Exif.Sony1.LensID",          "Exif.Sony2.LensID",          "Exif.Sony1.LensSpec",   "Exif.Sony2.LensSpec",
+      "Exif.OlympusEq.LensType",    "Exif.Panasonic.LensType",    "Exif.Samsung2.LensType"};
+
+  for (size_t i = 0; i < std::size(keys); ++i) {
+    Exiv2::ExifData::const_iterator pos = ed.findKey(ExifKey(keys[i]));
+    if (pos != ed.end()) {
+      // Exif.NikonLd4.LensID and Exif.NikonLd4.LensIDNumber are usually together included,
+      // one of them has value 0 (which means undefined), so skip tag with value 0
+      if (strncmp(keys[i], "Exif.NikonLd4", 13) == 0) {
+        if (pos->getValue()->toInt64(0) > 0)
+          return pos;
+      } else
+        return pos;
+    }
+  }
+  return ed.end();
 }
 
 ExifData::const_iterator saturation(const ExifData& ed) {
   static const char* keys[] = {
       "Exif.Photo.Saturation",        "Exif.CanonCs.Saturation",     "Exif.MinoltaCsNew.Saturation",
       "Exif.MinoltaCsOld.Saturation", "Exif.MinoltaCs7D.Saturation", "Exif.MinoltaCs5D.Saturation",
-      "Exif.Fujifilm.Color",          "Exif.Nikon3.Saturation",      "Exif.Panasonic.Saturation",
-      "Exif.Pentax.Saturation",       "Exif.PentaxDng.Saturation",   "Exif.Sigma.Saturation",
-      "Exif.Sony1.Saturation",        "Exif.Sony2.Saturation",       "Exif.Casio.Saturation",
-      "Exif.Casio2.Saturation",       "Exif.Casio2.Saturation2"};
+      "Exif.Fujifilm.Color",          "Exif.Nikon3.Saturation",      "Exif.NikonPc.Saturation",
+      "Exif.Panasonic.Saturation",    "Exif.Pentax.Saturation",      "Exif.PentaxDng.Saturation",
+      "Exif.Sigma.Saturation",        "Exif.Sony1.Saturation",       "Exif.Sony2.Saturation",
+      "Exif.Casio.Saturation",        "Exif.Casio2.Saturation",      "Exif.Casio2.Saturation2"};
   return findMetadatum(ed, keys, std::size(keys));
 }
 
@@ -274,29 +293,41 @@ ExifData::const_iterator sceneCaptureType(const ExifData& ed) {
 }
 
 ExifData::const_iterator meteringMode(const ExifData& ed) {
-  static const char* keys[] = {"Exif.Photo.MeteringMode",   "Exif.Image.MeteringMode",
-                               "Exif.CanonCs.MeteringMode", "Exif.Sony1.MeteringMode2",
-                               "Exif.Sony2.MeteringMode2",  "Exif.Sony1MltCsA100.MeteringMode"};
+  static const char* keys[] = {
+      "Exif.Photo.MeteringMode",       "Exif.Image.MeteringMode",        "Exif.CanonCs.MeteringMode",
+      "Exif.MinoltaCs5D.MeteringMode", "Exif.MinoltaCsOld.MeteringMode", "Exif.OlympusCs.MeteringMode",
+      "Exif.Pentax.MeteringMode",      "Exif.PentaxDng.MeteringMode",    "Exif.Sigma.MeteringMode",
+      "Exif.Sony1.MeteringMode2",      "Exif.Sony1Cs.MeteringMode",      "Exif.Sony1Cs2.MeteringMode",
+      "Exif.Sony2.MeteringMode2",      "Exif.Sony2Cs.MeteringMode",      "Exif.Sony1MltCsA100.MeteringMode"};
   return findMetadatum(ed, keys, std::size(keys));
 }
 
 ExifData::const_iterator make(const ExifData& ed) {
-  static const char* keys[] = {"Exif.Image.Make"};
+  static const char* keys[] = {"Exif.Image.Make", "Exif.PanasonicRaw.Make"};
   return findMetadatum(ed, keys, std::size(keys));
 }
 
 ExifData::const_iterator model(const ExifData& ed) {
-  static const char* keys[] = {"Exif.Image.Model", "Exif.Sony1.SonyModelID", "Exif.Sony2.SonyModelID"};
+  static const char* keys[] = {"Exif.Image.Model",
+                               "Exif.MinoltaCsOld.MinoltaModel",
+                               "Exif.MinoltaCsNew.MinoltaModel",
+                               "Exif.PanasonicRaw.Model",
+                               "Exif.Pentax.ModelID",
+                               "Exif.PentaxDng.ModelID",
+                               "Exif.Sony1.SonyModelID",
+                               "Exif.Sony2.SonyModelID"};
   return findMetadatum(ed, keys, std::size(keys));
 }
 
 ExifData::const_iterator exposureTime(const ExifData& ed) {
-  static const char* keys[] = {"Exif.Photo.ExposureTime", "Exif.Image.ExposureTime", "Exif.Samsung2.ExposureTime"};
+  static const char* keys[] = {"Exif.Photo.ExposureTime", "Exif.Image.ExposureTime", "Exif.Pentax.ExposureTime",
+                               "Exif.PentaxDng.ExposureTime", "Exif.Samsung2.ExposureTime"};
   return findMetadatum(ed, keys, std::size(keys));
 }
 
 ExifData::const_iterator fNumber(const ExifData& ed) {
-  static const char* keys[] = {"Exif.Photo.FNumber", "Exif.Image.FNumber", "Exif.Samsung2.FNumber"};
+  static const char* keys[] = {"Exif.Photo.FNumber", "Exif.Image.FNumber", "Exif.Pentax.FNumber",
+                               "Exif.PentaxDng.FNumber", "Exif.Samsung2.FNumber"};
   return findMetadatum(ed, keys, std::size(keys));
 }
 
@@ -306,7 +337,7 @@ ExifData::const_iterator shutterSpeedValue(const ExifData& ed) {
 }
 
 ExifData::const_iterator apertureValue(const ExifData& ed) {
-  static const char* keys[] = {"Exif.Photo.ApertureValue", "Exif.Image.ApertureValue"};
+  static const char* keys[] = {"Exif.Photo.ApertureValue", "Exif.Image.ApertureValue", "Exif.CanonSi.ApertureValue"};
   return findMetadatum(ed, keys, std::size(keys));
 }
 
@@ -317,12 +348,15 @@ ExifData::const_iterator brightnessValue(const ExifData& ed) {
 }
 
 ExifData::const_iterator exposureBiasValue(const ExifData& ed) {
-  static const char* keys[] = {"Exif.Photo.ExposureBiasValue", "Exif.Image.ExposureBiasValue"};
+  static const char* keys[] = {"Exif.Photo.ExposureBiasValue", "Exif.Image.ExposureBiasValue",
+                               "Exif.MinoltaCs5D.ExposureManualBias", "Exif.OlympusRd.ExposureBiasValue",
+                               "Exif.OlympusRd2.ExposureBiasValue"};
   return findMetadatum(ed, keys, std::size(keys));
 }
 
 ExifData::const_iterator maxApertureValue(const ExifData& ed) {
-  static const char* keys[] = {"Exif.Photo.MaxApertureValue", "Exif.Image.MaxApertureValue"};
+  static const char* keys[] = {"Exif.Photo.MaxApertureValue", "Exif.Image.MaxApertureValue", "Exif.CanonCs.MaxAperture",
+                               "Exif.NikonLd4.MaxAperture"};
   return findMetadatum(ed, keys, std::size(keys));
 }
 
@@ -342,16 +376,18 @@ ExifData::const_iterator lightSource(const ExifData& ed) {
 }
 
 ExifData::const_iterator flash(const ExifData& ed) {
-  static const char* keys[] = {"Exif.Photo.Flash", "Exif.Image.Flash", "Exif.Sony1.FlashAction",
-                               "Exif.Sony2.FlashAction"};
+  static const char* keys[] = {"Exif.Photo.Flash",     "Exif.Image.Flash",       "Exif.Pentax.Flash",
+                               "Exif.PentaxDng.Flash", "Exif.Sony1.FlashAction", "Exif.Sony2.FlashAction"};
   return findMetadatum(ed, keys, std::size(keys));
 }
 
 ExifData::const_iterator serialNumber(const ExifData& ed) {
   static const char* keys[] = {
-      "Exif.Image.CameraSerialNumber", "Exif.Canon.SerialNumber",    "Exif.Nikon3.SerialNumber",
-      "Exif.Nikon3.SerialNO",          "Exif.Fujifilm.SerialNumber", "Exif.Olympus.SerialNumber2",
-      "Exif.Sigma.SerialNumber",       "Exif.Sony1.SerialNumber",    "Exif.Sony2.SerialNumber"};
+      "Exif.Image.CameraSerialNumber", "Exif.Photo.BodySerialNumber", "Exif.Canon.SerialNumber",
+      "Exif.Nikon3.SerialNumber",      "Exif.Nikon3.SerialNO",        "Exif.Fujifilm.SerialNumber",
+      "Exif.Olympus.SerialNumber2",    "Exif.OlympusEq.SerialNumber", "Exif.Pentax.SerialNumber",
+      "Exif.PentaxDng.SerialNumber",   "Exif.Sigma.SerialNumber",     "Exif.Sony1.SerialNumber",
+      "Exif.Sony2.SerialNumber"};
   return findMetadatum(ed, keys, std::size(keys));
 }
 
diff --git a/test/data/KonicaMinoltaDYNAX5D.exv b/test/data/KonicaMinoltaDYNAX5D.exv
new file mode 100644
index 00000000..6a593b8d
Binary files /dev/null and b/test/data/KonicaMinoltaDYNAX5D.exv differ
diff --git a/test/data/NikonD1.exv b/test/data/NikonD1.exv
new file mode 100644
index 00000000..63d412cb
Binary files /dev/null and b/test/data/NikonD1.exv differ
diff --git a/test/data/SonyDSLR-A100.exv b/test/data/SonyDSLR-A100.exv
new file mode 100644
index 00000000..da0a98a4
Binary files /dev/null and b/test/data/SonyDSLR-A100.exv differ
diff --git a/tests/bash_tests/test_easyaccess.py b/tests/bash_tests/test_easyaccess.py
index cd6d1623..4a156a41 100644
--- a/tests/bash_tests/test_easyaccess.py
+++ b/tests/bash_tests/test_easyaccess.py
@@ -1,24 +1,20 @@
 # -*- coding: utf-8 -*-
 
-import system_tests
+from system_tests import CaseMeta, CopyTmpFiles, path
 
+###########################################################
+# this test cases forces to loop through all keys 
+# and would identify not existing keys
+###########################################################
+class Empty(metaclass=CaseMeta):
 
-@system_tests.CopyFiles("$data_path/exiv2-empty.jpg")
-class EasyaccessTest(metaclass=system_tests.CaseMeta):
-
-    url = "https://github.com/Exiv2/exiv2/pull/287"
-
-    filename = "$data_path/exiv2-empty_copy.jpg"
+    filename = path("$data_path/exiv2-empty.jpg")
 
     commands = [
-        """$exiv2 -u -v -M"set Exif.Image.Make Samsung" $filename""",
         "$easyaccess_test $filename"
     ]
     stdout = [
-        """File 1/1: $filename
-Set Exif.Image.Make "Samsung" (Ascii)
-""",
-         """Orientation           (                                   ) : 
+	"""Orientation           (                                   ) : 
 ISO speed             (                                   ) : 
 Date & time original  (                                   ) : 
 Flash bias            (                                   ) : 
@@ -33,7 +29,7 @@ Sharpness             (                                   ) :
 Contrast              (                                   ) : 
 Scene capture type    (                                   ) : 
 Metering mode         (                                   ) : 
-Camera make           (Exif.Image.Make                    ) : Samsung
+Camera make           (                                   ) : 
 Camera model          (                                   ) : 
 Exposure time         (                                   ) : 
 FNumber               (                                   ) : 
@@ -54,5 +50,1155 @@ Sensing method        (                                   ) :
 AF point              (                                   ) : 
 """
     ]
-    stderr = [""] * 2
-    retval = [0] * 2
+    stderr = [""] * 1
+    retval = [0] * 1
+
+###########################################################
+# Canon EOS 300D
+###########################################################
+@CopyTmpFiles("$data_path/exiv2-canon-eos-300d.jpg")
+class Canon1(metaclass=CaseMeta):
+
+    filename = path("$tmp_path/exiv2-canon-eos-300d.jpg")
+
+    commands = [
+        "$easyaccess_test $filename",
+		"""$exiv2 -u -v -M"del Exif.Photo.MeteringMode" $filename""",
+        "$easyaccess_test $filename MeteringMode",
+		"""$exiv2 -u -v -M"del Exif.Photo.ApertureValue" $filename""",
+        "$easyaccess_test $filename Aperture",
+		"""$exiv2 -u -v -M"del Exif.Photo.FocalLength" $filename""",
+        "$easyaccess_test $filename FocalLength"
+    ]
+    stdout = [
+	"""Orientation           (Exif.Image.Orientation             ) : right, top
+ISO speed             (Exif.Photo.ISOSpeedRatings         ) : 100
+Date & time original  (Exif.Photo.DateTimeOriginal        ) : 2003:09:26 08:19:51
+Flash bias            (Exif.CanonSi.FlashBias             ) : 0 EV
+Exposure mode         (Exif.CanonCs.ExposureProgram       ) : Program (P)
+Scene mode            (Exif.CanonCs.EasyMode              ) : Manual
+Macro mode            (Exif.CanonCs.Macro                 ) : (0)
+Image quality         (Exif.CanonCs.Quality               ) : Fine
+White balance         (Exif.CanonSi.WhiteBalance          ) : Auto
+Lens name             (Exif.CanonCs.LensType              ) : n/a
+Saturation            (Exif.CanonCs.Saturation            ) : High
+Sharpness             (Exif.CanonCs.Sharpness             ) : High
+Contrast              (Exif.CanonCs.Contrast              ) : High
+Scene capture type    (Exif.Photo.SceneCaptureType        ) : Standard
+Metering mode         (Exif.Photo.MeteringMode            ) : Multi-segment
+Camera make           (Exif.Image.Make                    ) : Canon
+Camera model          (Exif.Image.Model                   ) : Canon EOS 300D DIGITAL
+Exposure time         (Exif.Photo.ExposureTime            ) : 1/80 s
+FNumber               (Exif.Photo.FNumber                 ) : F5.6
+Shutter speed value   (Exif.Photo.ShutterSpeedValue       ) : 1/80 s
+Aperture value        (Exif.Photo.ApertureValue           ) : F5.6
+Brightness value      (                                   ) : 
+Exposure bias         (Exif.Photo.ExposureBiasValue       ) : 0 EV
+Max aperture value    (Exif.Photo.MaxApertureValue        ) : F3.5
+Subject distance      (Exif.CanonSi.SubjectDistance       ) : Infinite
+Light source          (                                   ) : 
+Flash                 (Exif.Photo.Flash                   ) : No flash
+Camera serial number  (Exif.Canon.SerialNumber            ) : 21f938089
+Focal length          (Exif.Photo.FocalLength             ) : 18.0 mm
+Subject location/area (                                   ) : 
+Flash energy          (                                   ) : 
+Exposure index        (                                   ) : 
+Sensing method        (Exif.Photo.SensingMethod           ) : One-chip color area
+AF point              (Exif.CanonPi.AFPointsUsed          ) : center
+""",
+    """File 1/1: $filename
+Del Exif.Photo.MeteringMode
+""",
+	"""Metering mode         (Exif.CanonCs.MeteringMode          ) : Evaluative
+""",
+    """File 1/1: $filename
+Del Exif.Photo.ApertureValue
+""",
+	"""Aperture value        (Exif.CanonSi.ApertureValue         ) : F5.4
+""",
+    """File 1/1: $filename
+Del Exif.Photo.FocalLength
+""",
+	"""Focal length          (Exif.Canon.FocalLength             ) : 18.0 mm
+"""
+    ]
+    stderr = [""] * len(commands)
+    retval = [0] * len(commands)
+
+###########################################################
+# Canon Canon EOS 6D
+###########################################################
+@CopyTmpFiles("$data_path/20220610_MG_7238.exv")
+class Canon2(metaclass=CaseMeta):
+
+    filename = path("$tmp_path/20220610_MG_7238.exv")
+
+    commands = [
+        "$easyaccess_test $filename",
+		"""$exiv2 -u -v -M"del Exif.Photo.ISOSpeedRatings" $filename""",
+        "$easyaccess_test $filename ISOspeed"
+    ]
+    stdout = [
+	"""Orientation           (Exif.Image.Orientation             ) : top, left
+ISO speed             (Exif.Photo.ISOSpeedRatings         ) : 800
+Date & time original  (Exif.Photo.DateTimeOriginal        ) : 2022:06:10 13:03:43
+Flash bias            (Exif.CanonSi.FlashBias             ) : 0 EV
+Exposure mode         (Exif.Photo.ExposureProgram         ) : Aperture priority
+Scene mode            (Exif.CanonCs.EasyMode              ) : Manual
+Macro mode            (Exif.CanonCs.Macro                 ) : Off
+Image quality         (Exif.CanonCs.Quality               ) : RAW
+White balance         (Exif.CanonSi.WhiteBalance          ) : Auto
+Lens name             (Exif.CanonCs.LensType              ) : Canon EF 35-80mm f/4-5.6
+Saturation            (Exif.CanonCs.Saturation            ) : Normal
+Sharpness             (Exif.CanonCs.Sharpness             ) : (32767)
+Contrast              (Exif.CanonCs.Contrast              ) : Normal
+Scene capture type    (Exif.Photo.SceneCaptureType        ) : Standard
+Metering mode         (Exif.Photo.MeteringMode            ) : Multi-segment
+Camera make           (Exif.Image.Make                    ) : Canon
+Camera model          (Exif.Image.Model                   ) : Canon EOS 6D
+Exposure time         (Exif.Photo.ExposureTime            ) : 1/100 s
+FNumber               (Exif.Photo.FNumber                 ) : F5.6
+Shutter speed value   (Exif.Photo.ShutterSpeedValue       ) : 1/99 s
+Aperture value        (Exif.Photo.ApertureValue           ) : F5.7
+Brightness value      (                                   ) : 
+Exposure bias         (Exif.Photo.ExposureBiasValue       ) : 0 EV
+Max aperture value    (Exif.CanonCs.MaxAperture           ) : F4
+Subject distance      (Exif.CanonSi.SubjectDistance       ) : 0 m
+Light source          (                                   ) : 
+Flash                 (Exif.Photo.Flash                   ) : No, compulsory
+Camera serial number  (Exif.Photo.BodySerialNumber        ) : 113053000536
+Focal length          (Exif.Photo.FocalLength             ) : 35.0 mm
+Subject location/area (                                   ) : 
+Flash energy          (                                   ) : 
+Exposure index        (                                   ) : 
+Sensing method        (                                   ) : 
+AF point              (Exif.CanonSi.AFPointUsed           ) : 0 focus points; none used
+""",
+    """File 1/1: $filename
+Del Exif.Photo.ISOSpeedRatings
+""",
+	"""ISO speed             (Exif.CanonSi.ISOSpeed              ) : 800
+"""
+    ]
+    stderr = [""] * len(commands)
+    retval = [0] * len(commands)
+
+###########################################################
+# Nikon D1
+###########################################################
+class Nikon1(metaclass=CaseMeta):
+
+    filename = path("$data_path/NikonD1.exv")
+
+    commands = [
+        "$easyaccess_test $filename"
+    ]
+    stdout = [
+	"""Orientation           (                                   ) : 
+ISO speed             (Exif.Nikon1.ISOSpeed               ) : 400
+Date & time original  (Exif.Photo.DateTimeOriginal        ) : 2005:12:16 08:25:45
+Flash bias            (                                   ) : 
+Exposure mode         (Exif.Photo.ExposureProgram         ) : Auto
+Scene mode            (                                   ) : 
+Macro mode            (                                   ) : 
+Image quality         (Exif.Nikon1.Quality                ) : NORMAL 
+White balance         (Exif.Nikon1.WhiteBalance           ) : AUTO        
+Lens name             (                                   ) : 
+Saturation            (                                   ) : 
+Sharpness             (                                   ) : 
+Contrast              (                                   ) : 
+Scene capture type    (                                   ) : 
+Metering mode         (Exif.Photo.MeteringMode            ) : Multi-segment
+Camera make           (Exif.Image.Make                    ) : NIKON CORPORATION
+Camera model          (Exif.Image.Model                   ) : NIKON D1 
+Exposure time         (Exif.Photo.ExposureTime            ) : 1/125 s
+FNumber               (Exif.Photo.FNumber                 ) : F5.3
+Shutter speed value   (                                   ) : 
+Aperture value        (                                   ) : 
+Brightness value      (                                   ) : 
+Exposure bias         (Exif.Photo.ExposureBiasValue       ) : 0 EV
+Max aperture value    (Exif.Photo.MaxApertureValue        ) : F4.4
+Subject distance      (                                   ) : 
+Light source          (                                   ) : 
+Flash                 (                                   ) : 
+Camera serial number  (                                   ) : 
+Focal length          (Exif.Photo.FocalLength             ) : 78.0 mm
+Subject location/area (                                   ) : 
+Flash energy          (                                   ) : 
+Exposure index        (                                   ) : 
+Sensing method        (Exif.Photo.SensingMethod           ) : One-chip color area
+AF point              (Exif.Nikon1.AFFocusPos             ) : Dynamic area; Center
+"""
+    ]
+    stderr = [""] * len(commands)
+    retval = [0] * len(commands)
+
+###########################################################
+# Konica Minolta DYNAX 5D
+###########################################################
+@CopyTmpFiles("$data_path/KonicaMinoltaDYNAX5D.exv")
+class KonicaMinolta1(metaclass=CaseMeta):
+
+    filename = path("$tmp_path/KonicaMinoltaDYNAX5D.exv")
+
+    commands = [
+        "$easyaccess_test $filename",
+		"""$exiv2 -u -v -M"del Exif.Image.Orientation" $filename""",
+        "$easyaccess_test $filename Orientation",
+		"""$exiv2 -u -v -M"del Exif.Photo.ISOSpeedRatings" $filename""",
+        "$easyaccess_test $filename ISOspeed"
+    ]
+    stdout = [
+	"""Orientation           (Exif.Image.Orientation             ) : top, left
+ISO speed             (Exif.Photo.ISOSpeedRatings         ) : 100
+Date & time original  (Exif.Photo.DateTimeOriginal        ) : 2005:10:17 14:47:57
+Flash bias            (Exif.Minolta.FlashExposureComp     ) : 0 EV
+Exposure mode         (Exif.Photo.ExposureProgram         ) : Aperture priority
+Scene mode            (Exif.Minolta.SceneMode             ) : Standard
+Macro mode            (                                   ) : 
+Image quality         (Exif.Minolta.Quality               ) : Extra Fine
+White balance         (Exif.MinoltaCs5D.WhiteBalance      ) : Auto
+Lens name             (Exif.Minolta.LensID                ) : Minolta/Sony AF DT 18-70mm F3.5-5.6 (D) | Sony AF DT 18-200mm F3.5-6.3
+Saturation            (Exif.Photo.Saturation              ) : Normal
+Sharpness             (Exif.Photo.Sharpness               ) : Normal
+Contrast              (Exif.Photo.Contrast                ) : Normal
+Scene capture type    (Exif.Photo.SceneCaptureType        ) : Standard
+Metering mode         (Exif.Photo.MeteringMode            ) : Multi-segment
+Camera make           (Exif.Image.Make                    ) : KONICA MINOLTA 
+Camera model          (Exif.Image.Model                   ) : DYNAX 5D
+Exposure time         (Exif.Photo.ExposureTime            ) : 1/125 s
+FNumber               (Exif.Photo.FNumber                 ) : F8
+Shutter speed value   (                                   ) : 
+Aperture value        (                                   ) : 
+Brightness value      (Exif.Photo.BrightnessValue         ) : 8
+Exposure bias         (Exif.Photo.ExposureBiasValue       ) : 0 EV
+Max aperture value    (Exif.Photo.MaxApertureValue        ) : F4.5
+Subject distance      (                                   ) : 
+Light source          (Exif.Photo.LightSource             ) : Unknown
+Flash                 (Exif.Photo.Flash                   ) : No, compulsory
+Camera serial number  (                                   ) : 
+Focal length          (Exif.Photo.FocalLength             ) : 24.0 mm
+Subject location/area (Exif.Photo.SubjectArea             ) : 1504 1000 256 304
+Flash energy          (                                   ) : 
+Exposure index        (                                   ) : 
+Sensing method        (                                   ) : 
+AF point              (                                   ) : 
+""",
+    """File 1/1: $filename
+Del Exif.Image.Orientation
+""",
+	"""Orientation           (Exif.MinoltaCs5D.Rotation          ) : Horizontal (normal)
+""",
+    """File 1/1: $filename
+Del Exif.Photo.ISOSpeedRatings
+""",
+	"""ISO speed             (Exif.MinoltaCs5D.ISOSpeed          ) : 100
+"""
+    ]
+    stderr = ["""Warning: Directory Minolta, entry 0x0088: Data area exceeds data buffer, ignoring it.
+""",
+    """Warning: Directory Minolta, entry 0x0088: Data area exceeds data buffer, ignoring it.
+Warning: Directory Minolta, entry 0x0088: Data area exceeds data buffer, ignoring it.
+""",
+    """Warning: Directory Minolta, entry 0x0088: Data area exceeds data buffer, ignoring it.
+""",
+    """Warning: Directory Minolta, entry 0x0088: Data area exceeds data buffer, ignoring it.
+Warning: Directory Minolta, entry 0x0088: Data area exceeds data buffer, ignoring it.
+""",
+    """Warning: Directory Minolta, entry 0x0088: Data area exceeds data buffer, ignoring it.
+"""
+]
+    retval = [0] * len(commands)
+
+###########################################################
+# Nikon E950
+###########################################################
+@CopyTmpFiles("$data_path/exiv2-nikon-e950.jpg")
+class Nikon2(metaclass=CaseMeta):
+
+    filename = path("$tmp_path/exiv2-nikon-e950.jpg")
+
+    commands = [
+        "$easyaccess_test $filename",
+		"""$exiv2 -u -v -M"del Exif.Photo.ISOSpeedRatings" $filename""",
+        "$easyaccess_test $filename ISOspeed"
+    ]
+    stdout = [
+	"""Orientation           (Exif.Image.Orientation             ) : top, left
+ISO speed             (Exif.Photo.ISOSpeedRatings         ) : 80
+Date & time original  (Exif.Photo.DateTimeOriginal        ) : 2001:04:06 11:51:40
+Flash bias            (                                   ) : 
+Exposure mode         (Exif.Photo.ExposureProgram         ) : Auto
+Scene mode            (                                   ) : 
+Macro mode            (                                   ) : 
+Image quality         (Exif.Nikon2.Quality                ) : (12)
+White balance         (Exif.Nikon2.WhiteBalance           ) : Auto
+Lens name             (                                   ) : 
+Saturation            (                                   ) : 
+Sharpness             (                                   ) : 
+Contrast              (                                   ) : 
+Scene capture type    (                                   ) : 
+Metering mode         (Exif.Photo.MeteringMode            ) : Multi-segment
+Camera make           (Exif.Image.Make                    ) : NIKON
+Camera model          (Exif.Image.Model                   ) : E950
+Exposure time         (Exif.Photo.ExposureTime            ) : 1/77 s
+FNumber               (Exif.Photo.FNumber                 ) : F5.5
+Shutter speed value   (                                   ) : 
+Aperture value        (                                   ) : 
+Brightness value      (                                   ) : 
+Exposure bias         (Exif.Photo.ExposureBiasValue       ) : 0 EV
+Max aperture value    (Exif.Photo.MaxApertureValue        ) : F2.5
+Subject distance      (                                   ) : 
+Light source          (Exif.Photo.LightSource             ) : Unknown
+Flash                 (Exif.Photo.Flash                   ) : No flash
+Camera serial number  (                                   ) : 
+Focal length          (Exif.Photo.FocalLength             ) : 12.8 mm
+Subject location/area (                                   ) : 
+Flash energy          (                                   ) : 
+Exposure index        (                                   ) : 
+Sensing method        (                                   ) : 
+AF point              (                                   ) : 
+""",
+    """File 1/1: $filename
+Del Exif.Photo.ISOSpeedRatings
+""",
+	"""ISO speed             (Exif.Nikon2.ISOSpeed               ) : 80
+"""
+    ]
+    stderr = [""] * len(commands)
+    retval = [0] * len(commands)
+
+###########################################################
+# NIKON Z 6: NikonLd4.LensID and NikonLd4.LensIDNumber
+###########################################################
+@CopyTmpFiles("$data_path/CH0_0174.exv")
+class NikonLd4LensIDx(metaclass=CaseMeta):
+
+    filename = path("$tmp_path/CH0_0174.exv")
+
+    commands = [
+        "$easyaccess_test $filename",
+		"""$exiv2 -u -v -M"del Exif.Photo.LensModel" $filename""",
+        "$easyaccess_test $filename LensName",
+    	"""$exiv2 -u -v -M"set Exif.NikonLd4.LensID 13" $filename""",
+        "$easyaccess_test $filename LensName",
+    	"""$exiv2 -u -v -M"del Exif.Photo.ISOSpeedRatings" $filename""",
+        "$easyaccess_test $filename ISOspeed",
+    	"""$exiv2 -u -v -M"del Exif.Photo.DateTimeOriginal" $filename""",
+        "$easyaccess_test $filename DateTimeOriginal",
+    	"""$exiv2 -u -v -M"del Exif.Photo.Saturation" $filename""",
+        "$easyaccess_test $filename Saturation",
+    	"""$exiv2 -u -v -M"del Exif.Photo.BodySerialNumber" $filename""",
+        "$easyaccess_test $filename SerialNumber"
+    ]
+    stdout = [
+	"""Orientation           (Exif.Image.Orientation             ) : top, left
+ISO speed             (Exif.Photo.ISOSpeedRatings         ) : 12800
+Date & time original  (Exif.Photo.DateTimeOriginal        ) : 2020:12:11 19:05:49
+Flash bias            (                                   ) : 
+Exposure mode         (Exif.Photo.ExposureProgram         ) : Aperture priority
+Scene mode            (Exif.Photo.SceneCaptureType        ) : Standard
+Macro mode            (                                   ) : 
+Image quality         (Exif.Nikon3.Quality                ) : RAW    
+White balance         (Exif.Nikon3.WhiteBalance           ) : AUTO1       
+Lens name             (Exif.Photo.LensModel               ) : 
+Saturation            (Exif.Photo.Saturation              ) : Normal
+Sharpness             (Exif.Photo.Sharpness               ) : Normal
+Contrast              (Exif.Photo.Contrast                ) : Normal
+Scene capture type    (Exif.Photo.SceneCaptureType        ) : Standard
+Metering mode         (Exif.Photo.MeteringMode            ) : Multi-segment
+Camera make           (Exif.Image.Make                    ) : NIKON CORPORATION
+Camera model          (Exif.Image.Model                   ) : NIKON Z 6
+Exposure time         (Exif.Photo.ExposureTime            ) : 0.769231 s
+FNumber               (Exif.Photo.FNumber                 ) : F4
+Shutter speed value   (                                   ) : 
+Aperture value        (                                   ) : 
+Brightness value      (                                   ) : 
+Exposure bias         (Exif.Photo.ExposureBiasValue       ) : 0 EV
+Max aperture value    (Exif.NikonLd4.MaxAperture          ) : F0.5
+Subject distance      (                                   ) : 
+Light source          (Exif.Photo.LightSource             ) : Unknown
+Flash                 (Exif.Photo.Flash                   ) : No flash
+Camera serial number  (Exif.Photo.BodySerialNumber        ) : 6078248
+Focal length          (Exif.Photo.FocalLength             ) : 102.0 mm
+Subject location/area (                                   ) : 
+Flash energy          (                                   ) : 
+Exposure index        (                                   ) : 
+Sensing method        (Exif.Photo.SensingMethod           ) : One-chip color area
+AF point              (                                   ) : 
+""",
+    """File 1/1: $filename
+Del Exif.Photo.LensModel
+""",
+	"""Lens name             (Exif.NikonLd4.LensIDNumber         ) : Nikon AF-S VR Zoom-Nikkor 70-200mm f/2.8G IF-ED
+""",
+    """File 1/1: $filename
+Set Exif.NikonLd4.LensID "13" (Short)
+""",
+	"""Lens name             (Exif.NikonLd4.LensID               ) : Nikon Nikkor Z 24-70mm f/2.8 S
+""",
+    """File 1/1: $filename
+Del Exif.Photo.ISOSpeedRatings
+""",
+	"""ISO speed             (Exif.NikonIi.ISO                   ) : 12800
+""",
+    """File 1/1: $filename
+Del Exif.Photo.DateTimeOriginal
+""",
+	"""Date & time original  (Exif.Image.DateTimeOriginal        ) : 2020:12:11 19:05:49
+""",
+    """File 1/1: $filename
+Del Exif.Photo.Saturation
+""",
+	"""Saturation            (Exif.NikonPc.Saturation            ) : Normal
+""",
+    """File 1/1: $filename
+Del Exif.Photo.BodySerialNumber
+""",
+	"""Camera serial number  (Exif.Nikon3.SerialNumber           ) : 6078248
+"""
+    ]
+    stderr = [""] * len(commands)
+    retval = [0] * len(commands)
+
+###########################################################
+# Pentax K100D
+###########################################################
+@CopyTmpFiles("$data_path/RAW_PENTAX_K100.exv")
+class Pentax1(metaclass=CaseMeta):
+
+    filename = path("$tmp_path/RAW_PENTAX_K100.exv")
+
+    commands = [
+        "$easyaccess_test $filename",
+		"""$exiv2 -u -v -M"del Exif.Photo.ISOSpeedRatings" $filename""",
+        "$easyaccess_test $filename ISOspeed",
+		"""$exiv2 -u -v -M"del Exif.Pentax.WhiteBalance" $filename""",
+        "$easyaccess_test $filename WhiteBalance",
+		"""$exiv2 -u -v -M"del Exif.Photo.Saturation" $filename""",
+        "$easyaccess_test $filename Saturation",
+		"""$exiv2 -u -v -M"del Exif.Photo.Sharpness" $filename""",
+        "$easyaccess_test $filename Sharpness",
+		"""$exiv2 -u -v -M"del Exif.Photo.Contrast" $filename""",
+        "$easyaccess_test $filename Contrast",
+		"""$exiv2 -u -v -M"del Exif.Photo.MeteringMode" $filename""",
+        "$easyaccess_test $filename MeteringMode",
+		"""$exiv2 -u -v -M"del Exif.Image.Model" $filename""",
+        "$easyaccess_test $filename Model",
+		"""$exiv2 -u -v -M"del Exif.Photo.ExposureTime" $filename""",
+        "$easyaccess_test $filename ExposureTime",
+		"""$exiv2 -u -v -M"del Exif.Photo.FNumber" $filename""",
+        "$easyaccess_test $filename FNumber",
+		"""$exiv2 -u -v -M"del Exif.Photo.Flash" $filename""",
+        "$easyaccess_test $filename Flash",
+		"""$exiv2 -u -v -M"del Exif.Photo.FocalLength" $filename""",
+        "$easyaccess_test $filename FocalLength"
+    ]
+    stdout = [
+	"""Orientation           (Exif.Image.Orientation             ) : top, left
+ISO speed             (Exif.Photo.ISOSpeedRatings         ) : 400
+Date & time original  (Exif.Photo.DateTimeOriginal        ) : 2009:12:05 13:26:11
+Flash bias            (                                   ) : 
+Exposure mode         (Exif.Photo.ExposureProgram         ) : Aperture priority
+Scene mode            (Exif.Pentax.PictureMode            ) : Aperture Priority
+Macro mode            (                                   ) : 
+Image quality         (Exif.Pentax.Quality                ) : RAW
+White balance         (Exif.Pentax.WhiteBalance           ) : Auto
+Lens name             (Exif.Pentax.LensType               ) : Tamron AF 18-250mm F3.5-6.3 Di II LD Aspherical [IF] Macro
+Saturation            (Exif.Photo.Saturation              ) : High
+Sharpness             (Exif.Photo.Sharpness               ) : Hard
+Contrast              (Exif.Photo.Contrast                ) : Hard
+Scene capture type    (Exif.Photo.SceneCaptureType        ) : Standard
+Metering mode         (Exif.Photo.MeteringMode            ) : Multi-segment
+Camera make           (Exif.Image.Make                    ) : PENTAX Corporation 
+Camera model          (Exif.Image.Model                   ) : PENTAX K100D       
+Exposure time         (Exif.Photo.ExposureTime            ) : 1/750 s
+FNumber               (Exif.Photo.FNumber                 ) : F3.5
+Shutter speed value   (                                   ) : 
+Aperture value        (                                   ) : 
+Brightness value      (                                   ) : 
+Exposure bias         (Exif.Photo.ExposureBiasValue       ) : 0 EV
+Max aperture value    (                                   ) : 
+Subject distance      (                                   ) : 
+Light source          (                                   ) : 
+Flash                 (Exif.Photo.Flash                   ) : No, compulsory
+Camera serial number  (                                   ) : 
+Focal length          (Exif.Photo.FocalLength             ) : 18.0 mm
+Subject location/area (                                   ) : 
+Flash energy          (                                   ) : 
+Exposure index        (                                   ) : 
+Sensing method        (Exif.Photo.SensingMethod           ) : One-chip color area
+AF point              (Exif.Pentax.AFPoint                ) : Fixed Center
+""",
+    """File 1/1: $filename
+Del Exif.Photo.ISOSpeedRatings
+""",
+	"""ISO speed             (Exif.Pentax.ISO                    ) : 400
+""",
+    """File 1/1: $filename
+Del Exif.Pentax.WhiteBalance
+""",
+	"""White balance         (Exif.Photo.WhiteBalance            ) : Auto
+""",
+    """File 1/1: $filename
+Del Exif.Photo.Saturation
+""",
+	"""Saturation            (Exif.Pentax.Saturation             ) : Med High
+""",
+    """File 1/1: $filename
+Del Exif.Photo.Sharpness
+""",
+	"""Sharpness             (Exif.Pentax.Sharpness              ) : Med Hard
+""",
+    """File 1/1: $filename
+Del Exif.Photo.Contrast
+""",
+	"""Contrast              (Exif.Pentax.Contrast               ) : Med High
+""",
+    """File 1/1: $filename
+Del Exif.Photo.MeteringMode
+""",
+	"""Metering mode         (Exif.Pentax.MeteringMode           ) : Multi Segment
+""",
+    """File 1/1: $filename
+Del Exif.Image.Model
+""",
+	"""Camera model          (Exif.Pentax.ModelID                ) : K100D
+""",
+    """File 1/1: $filename
+Del Exif.Photo.ExposureTime
+""",
+	"""Exposure time         (Exif.Pentax.ExposureTime           ) : 1.33 ms
+""",
+    """File 1/1: $filename
+Del Exif.Photo.FNumber
+""",
+	"""FNumber               (Exif.Pentax.FNumber                ) : F3.5
+""",
+    """File 1/1: $filename
+Del Exif.Photo.Flash
+""",
+	"""Flash                 (Exif.Pentax.Flash                  ) : Off, Did not fire
+""",
+    """File 1/1: $filename
+Del Exif.Photo.FocalLength
+""",
+	"""Focal length          (Exif.Pentax.FocalLength            ) : 18.0 mm
+"""
+    ]
+    stderr = [""] * len(commands)
+    retval = [0] * len(commands)
+
+###########################################################
+# Pentax K-30
+###########################################################
+@CopyTmpFiles("$data_path/RAW_PENTAX_K30.exv")
+class Pentax2(metaclass=CaseMeta):
+
+    filename = path("$tmp_path/RAW_PENTAX_K30.exv")
+
+    commands = [
+        "$easyaccess_test $filename",
+		"""$exiv2 -u -v -M"del Exif.Photo.ISOSpeedRatings" $filename""",
+        "$easyaccess_test $filename ISOspeed",
+		"""$exiv2 -u -v -M"del Exif.PentaxDng.WhiteBalance" $filename""",
+        "$easyaccess_test $filename WhiteBalance",
+		"""$exiv2 -u -v -M"del Exif.Photo.Saturation" $filename""",
+        "$easyaccess_test $filename Saturation",
+		"""$exiv2 -u -v -M"del Exif.Photo.Sharpness" $filename""",
+        "$easyaccess_test $filename Sharpness",
+		"""$exiv2 -u -v -M"del Exif.Photo.Contrast" $filename""",
+        "$easyaccess_test $filename Contrast",
+		"""$exiv2 -u -v -M"del Exif.Photo.MeteringMode" $filename""",
+        "$easyaccess_test $filename MeteringMode",
+		"""$exiv2 -u -v -M"del Exif.Image.Model" $filename""",
+        "$easyaccess_test $filename Model",
+		"""$exiv2 -u -v -M"del Exif.Photo.ExposureTime" $filename""",
+        "$easyaccess_test $filename ExposureTime",
+		"""$exiv2 -u -v -M"del Exif.Photo.FNumber" $filename""",
+        "$easyaccess_test $filename FNumber",
+		"""$exiv2 -u -v -M"del Exif.Photo.Flash" $filename""",
+        "$easyaccess_test $filename Flash",
+		"""$exiv2 -u -v -M"del Exif.Photo.FocalLength" $filename""",
+        "$easyaccess_test $filename FocalLength"
+    ]
+    stdout = [
+	"""Orientation           (Exif.Image.Orientation             ) : top, left
+ISO speed             (Exif.Photo.ISOSpeedRatings         ) : 100
+Date & time original  (Exif.Photo.DateTimeOriginal        ) : 2012:07:31 08:56:59
+Flash bias            (                                   ) : 
+Exposure mode         (Exif.Photo.ExposureProgram         ) : Landscape mode
+Scene mode            (Exif.PentaxDng.PictureMode         ) : Unknown (0x010601)
+Macro mode            (                                   ) : 
+Image quality         (Exif.PentaxDng.Quality             ) : RAW
+White balance         (Exif.PentaxDng.WhiteBalance        ) : Auto
+Lens name             (Exif.PentaxDng.LensType            ) : smc PENTAX-DA 18-135mm F3.5-5.6 ED AL [IF] DC WR
+Saturation            (Exif.Photo.Saturation              ) : Normal
+Sharpness             (Exif.Photo.Sharpness               ) : Hard
+Contrast              (Exif.Photo.Contrast                ) : Hard
+Scene capture type    (Exif.Photo.SceneCaptureType        ) : Landscape
+Metering mode         (Exif.Photo.MeteringMode            ) : Multi-segment
+Camera make           (Exif.Image.Make                    ) : PENTAX             
+Camera model          (Exif.Image.Model                   ) : PENTAX K-30        
+Exposure time         (Exif.Photo.ExposureTime            ) : 1/60 s
+FNumber               (Exif.Photo.FNumber                 ) : F11
+Shutter speed value   (                                   ) : 
+Aperture value        (                                   ) : 
+Brightness value      (                                   ) : 
+Exposure bias         (Exif.Photo.ExposureBiasValue       ) : 0 EV
+Max aperture value    (                                   ) : 
+Subject distance      (                                   ) : 
+Light source          (                                   ) : 
+Flash                 (Exif.Photo.Flash                   ) : No, compulsory
+Camera serial number  (Exif.PentaxDng.SerialNumber        ) : 4364069
+Focal length          (Exif.Photo.FocalLength             ) : 31.0 mm
+Subject location/area (                                   ) : 
+Flash energy          (                                   ) : 
+Exposure index        (                                   ) : 
+Sensing method        (Exif.Photo.SensingMethod           ) : One-chip color area
+AF point              (Exif.PentaxDng.AFPoint             ) : Auto
+""",
+    """File 1/1: $filename
+Del Exif.Photo.ISOSpeedRatings
+""",
+	"""ISO speed             (Exif.PentaxDng.ISO                 ) : 100
+""",
+    """File 1/1: $filename
+Del Exif.PentaxDng.WhiteBalance
+""",
+	"""White balance         (Exif.Photo.WhiteBalance            ) : Auto
+""",
+    """File 1/1: $filename
+Del Exif.Photo.Saturation
+""",
+	"""Saturation            (Exif.PentaxDng.Saturation          ) : Normal
+""",
+    """File 1/1: $filename
+Del Exif.Photo.Sharpness
+""",
+	"""Sharpness             (Exif.PentaxDng.Sharpness           ) : Med Hard
+""",
+    """File 1/1: $filename
+Del Exif.Photo.Contrast
+""",
+	"""Contrast              (Exif.PentaxDng.Contrast            ) : Med High
+""",
+    """File 1/1: $filename
+Del Exif.Photo.MeteringMode
+""",
+	"""Metering mode         (Exif.PentaxDng.MeteringMode        ) : Multi Segment
+""",
+    """File 1/1: $filename
+Del Exif.Image.Model
+""",
+	"""Camera model          (Exif.PentaxDng.ModelID             ) : K-30
+""",
+    """File 1/1: $filename
+Del Exif.Photo.ExposureTime
+""",
+	"""Exposure time         (Exif.PentaxDng.ExposureTime        ) : 16.66 ms
+""",
+    """File 1/1: $filename
+Del Exif.Photo.FNumber
+""",
+	"""FNumber               (Exif.PentaxDng.FNumber             ) : F11
+""",
+    """File 1/1: $filename
+Del Exif.Photo.Flash
+""",
+	"""Flash                 (Exif.PentaxDng.Flash               ) : Off, Did not fire
+""",
+    """File 1/1: $filename
+Del Exif.Photo.FocalLength
+""",
+	"""Focal length          (Exif.PentaxDng.FocalLength         ) : 31.0 mm
+"""
+    ]
+    stderr = [""] * len(commands)
+    retval = [0] * len(commands)
+
+###########################################################
+# Sony DSC-HX60V
+###########################################################
+@CopyTmpFiles("$data_path/exiv2-SonyDSC-HX60V.exv")
+class Sony1(metaclass=CaseMeta):
+
+    filename = path("$tmp_path/exiv2-SonyDSC-HX60V.exv")
+
+    commands = [
+        "$easyaccess_test $filename",
+		"""$exiv2 -u -v -M"del Exif.Photo.ISOSpeedRatings" $filename""",
+        "$easyaccess_test $filename ISOspeed",
+		"""$exiv2 -u -v -M"del Exif.Photo.ExposureProgram" $filename""",
+        "$easyaccess_test $filename ExposureMode",
+		"""$exiv2 -u -v -M"del Exif.Sony1.ExposureMode" $filename""",
+        "$easyaccess_test $filename ExposureMode",
+		"""$exiv2 -u -v -M"del Exif.Sony1.JPEGQuality" $filename""",
+        "$easyaccess_test $filename ImageQuality",
+		"""$exiv2 -u -v -M"del Exif.Sony1.Quality" $filename""",
+        "$easyaccess_test $filename ImageQuality",
+		"""$exiv2 -u -v -M"del Exif.Sony1.WhiteBalance" $filename""",
+        "$easyaccess_test $filename WhiteBalance"
+    ]
+    stdout = [
+	"""Orientation           (Exif.Image.Orientation             ) : top, left
+ISO speed             (Exif.Photo.ISOSpeedRatings         ) : 250
+Date & time original  (Exif.Photo.DateTimeOriginal        ) : 2014:01:01 00:52:22
+Flash bias            (Exif.Sony1.FlashExposureComp       ) : 0 EV
+Exposure mode         (Exif.Photo.ExposureProgram         ) : Auto
+Scene mode            (Exif.Sony1.SceneMode               ) : Standard
+Macro mode            (Exif.Sony1.Macro                   ) : Off
+Image quality         (Exif.Sony1.JPEGQuality             ) : Fine
+White balance         (Exif.Sony1.WhiteBalance            ) : Auto
+Lens name             (Exif.Sony1.LensSpec                ) : 24-720mm F3.5-6.3
+Saturation            (Exif.Photo.Saturation              ) : Normal
+Sharpness             (Exif.Photo.Sharpness               ) : Normal
+Contrast              (Exif.Photo.Contrast                ) : Normal
+Scene capture type    (Exif.Photo.SceneCaptureType        ) : Standard
+Metering mode         (Exif.Photo.MeteringMode            ) : Multi-segment
+Camera make           (Exif.Image.Make                    ) : SONY
+Camera model          (Exif.Image.Model                   ) : DSC-HX60V
+Exposure time         (Exif.Photo.ExposureTime            ) : 1/250 s
+FNumber               (Exif.Photo.FNumber                 ) : F6.3
+Shutter speed value   (                                   ) : 
+Aperture value        (                                   ) : 
+Brightness value      (Exif.Photo.BrightnessValue         ) : 7.81016
+Exposure bias         (Exif.Photo.ExposureBiasValue       ) : 0 EV
+Max aperture value    (Exif.Photo.MaxApertureValue        ) : F6.3
+Subject distance      (                                   ) : 
+Light source          (Exif.Photo.LightSource             ) : Unknown
+Flash                 (Exif.Photo.Flash                   ) : No, compulsory
+Camera serial number  (                                   ) : 
+Focal length          (Exif.Photo.FocalLength             ) : 129.0 mm
+Subject location/area (                                   ) : 
+Flash energy          (                                   ) : 
+Exposure index        (                                   ) : 
+Sensing method        (                                   ) : 
+AF point              (Exif.Sony1.AFPointSelected         ) : n/a
+""",
+    """File 1/1: $filename
+Del Exif.Photo.ISOSpeedRatings
+""",
+	"""ISO speed             (Exif.Photo.RecommendedExposureIndex) : 250
+""",
+    """File 1/1: $filename
+Del Exif.Photo.ExposureProgram
+""",
+	"""Exposure mode         (Exif.Sony1.ExposureMode            ) : Program AE
+""",
+    """File 1/1: $filename
+Del Exif.Sony1.ExposureMode
+""",
+	"""Exposure mode         (Exif.SonyMisc2b.ExposureProgram    ) : Program AE
+""",
+    """File 1/1: $filename
+Del Exif.Sony1.JPEGQuality
+""",
+	"""Image quality         (Exif.Sony1.Quality                 ) : Fine
+""",
+    """File 1/1: $filename
+Del Exif.Sony1.Quality
+""",
+	"""Image quality         (Exif.SonyMisc3c.Quality2           ) : JPEG
+""",
+    """File 1/1: $filename
+Del Exif.Sony1.WhiteBalance
+""",
+	"""White balance         (Exif.Sony1.WhiteBalance2           ) : Auto
+"""
+    ]
+    stderr = [""] * len(commands)
+    retval = [0] * len(commands)
+
+###########################################################
+# Sony DSLR-A100
+###########################################################
+@CopyTmpFiles("$data_path/SonyDSLR-A100.exv")
+class Sony2(metaclass=CaseMeta):
+
+    filename = path("$tmp_path/SonyDSLR-A100.exv")
+
+    commands = [
+        "$easyaccess_test $filename",
+		"""$exiv2 -u -v -M"del Exif.SonyMinolta.LensID" $filename""",
+        "$easyaccess_test $filename LensName"
+    ]
+    stdout = [
+	"""Orientation           (Exif.Image.Orientation             ) : top, left
+ISO speed             (Exif.Photo.ISOSpeedRatings         ) : 100
+Date & time original  (Exif.Photo.DateTimeOriginal        ) : 2006:06:09 11:20:37
+Flash bias            (Exif.SonyMinolta.FlashExposureComp ) : 0 EV
+Exposure mode         (Exif.Photo.ExposureProgram         ) : Auto
+Scene mode            (Exif.SonyMinolta.SceneMode         ) : Auto
+Macro mode            (Exif.Sony1.Macro                   ) : n/a
+Image quality         (Exif.Sony1.JPEGQuality             ) : n/a
+White balance         (Exif.Sony1MltCsA100.WhiteBalance   ) : Auto
+Lens name             (Exif.SonyMinolta.LensID            ) : Minolta/Sony AF DT 18-70mm F3.5-5.6 (D) | Sony AF DT 18-200mm F3.5-6.3
+Saturation            (Exif.Photo.Saturation              ) : Normal
+Sharpness             (Exif.Photo.Sharpness               ) : Normal
+Contrast              (Exif.Photo.Contrast                ) : Normal
+Scene capture type    (Exif.Photo.SceneCaptureType        ) : Standard
+Metering mode         (Exif.Photo.MeteringMode            ) : Multi-segment
+Camera make           (Exif.Image.Make                    ) : SONY           
+Camera model          (Exif.Image.Model                   ) : DSLR-A100
+Exposure time         (Exif.Photo.ExposureTime            ) : 1/200 s
+FNumber               (Exif.Photo.FNumber                 ) : F10
+Shutter speed value   (                                   ) : 
+Aperture value        (                                   ) : 
+Brightness value      (Exif.Photo.BrightnessValue         ) : 9.37
+Exposure bias         (Exif.Photo.ExposureBiasValue       ) : 0 EV
+Max aperture value    (Exif.Photo.MaxApertureValue        ) : F3.5
+Subject distance      (                                   ) : 
+Light source          (Exif.Photo.LightSource             ) : Unknown
+Flash                 (Exif.Photo.Flash                   ) : No, compulsory
+Camera serial number  (                                   ) : 
+Focal length          (Exif.Photo.FocalLength             ) : 18.0 mm
+Subject location/area (Exif.Photo.SubjectArea             ) : 1448 968 246 294
+Flash energy          (                                   ) : 
+Exposure index        (                                   ) : 
+Sensing method        (                                   ) : 
+AF point              (Exif.Sony1MltCsA100.LocalAFAreaPoint) : Center
+""",
+    """File 1/1: $filename
+Del Exif.SonyMinolta.LensID
+""",
+	"""Lens name             (Exif.Sony1.LensID                  ) : Minolta/Sony AF DT 18-70mm F3.5-5.6 (D) | Sony AF DT 18-200mm F3.5-6.3
+"""
+    ]
+    stderr = ["""Warning: Directory SonyMinolta, entry 0x0088: Data area exceeds data buffer, ignoring it.
+""",
+    """Warning: Directory SonyMinolta, entry 0x0088: Data area exceeds data buffer, ignoring it.
+Warning: Directory SonyMinolta, entry 0x0088: Data area exceeds data buffer, ignoring it.
+""",
+    """Warning: Directory SonyMinolta, entry 0x0088: Data area exceeds data buffer, ignoring it.
+"""
+    ]
+    retval = [0] * len(commands)
+
+###########################################################
+# Sony ILCE-7M3
+###########################################################
+@CopyTmpFiles("$data_path/exiv2-pr906.exv")
+class Sony3(metaclass=CaseMeta):
+
+    filename = path("$tmp_path/exiv2-pr906.exv")
+
+    commands = [
+        "$easyaccess_test $filename",
+		"""$exiv2 -u -v -M"del Exif.Photo.ExposureProgram" $filename""",
+        "$easyaccess_test $filename ExposureMode"
+    ]
+    stdout = [
+	"""Orientation           (Exif.Image.Orientation             ) : top, left
+ISO speed             (Exif.Photo.ISOSpeedRatings         ) : 100
+Date & time original  (Exif.Photo.DateTimeOriginal        ) : 2018:10:17 08:55:12
+Flash bias            (Exif.Sony2.FlashExposureComp       ) : 0 EV
+Exposure mode         (Exif.Photo.ExposureProgram         ) : Manual
+Scene mode            (Exif.Sony2.SceneMode               ) : Standard
+Macro mode            (                                   ) : 
+Image quality         (Exif.Sony2.Quality                 ) : RAW + JPEG/HEIF
+White balance         (Exif.Sony2.WhiteBalance            ) : Custom
+Lens name             (Exif.Photo.LensModel               ) : FE 85mm F1.4 GM
+Saturation            (Exif.Photo.Saturation              ) : Normal
+Sharpness             (Exif.Photo.Sharpness               ) : Normal
+Contrast              (Exif.Photo.Contrast                ) : Normal
+Scene capture type    (Exif.Photo.SceneCaptureType        ) : Standard
+Metering mode         (Exif.Photo.MeteringMode            ) : Multi-segment
+Camera make           (Exif.Image.Make                    ) : SONY
+Camera model          (Exif.Image.Model                   ) : ILCE-7M3
+Exposure time         (Exif.Photo.ExposureTime            ) : 1/100 s
+FNumber               (Exif.Photo.FNumber                 ) : F8
+Shutter speed value   (                                   ) : 
+Aperture value        (                                   ) : 
+Brightness value      (Exif.Photo.BrightnessValue         ) : 6.59922
+Exposure bias         (Exif.Photo.ExposureBiasValue       ) : 0 EV
+Max aperture value    (Exif.Photo.MaxApertureValue        ) : F1.4
+Subject distance      (                                   ) : 
+Light source          (Exif.Photo.LightSource             ) : Other light source
+Flash                 (Exif.Photo.Flash                   ) : No, compulsory
+Camera serial number  (                                   ) : 
+Focal length          (Exif.Photo.FocalLength             ) : 85.0 mm
+Subject location/area (                                   ) : 
+Flash energy          (                                   ) : 
+Exposure index        (                                   ) : 
+Sensing method        (                                   ) : 
+AF point              (Exif.Sony2.AFPointSelected         ) : Center Zone
+""",
+    """File 1/1: $filename
+Del Exif.Photo.ExposureProgram
+""",
+	"""Exposure mode         (Exif.Sony2.ExposureMode            ) : Manual
+"""
+    ]
+    stderr = [""] * len(commands)
+    retval = [0] * len(commands)
+
+###########################################################
+# Sony DSC-RX100M5A
+###########################################################
+@CopyTmpFiles("$data_path/exiv2-pr2323_coverage3.exv")
+class Sony4(metaclass=CaseMeta):
+
+    filename = path("$tmp_path/exiv2-pr2323_coverage3.exv")
+
+    commands = [
+        "$easyaccess_test $filename",
+		"""$exiv2 -u -v -M"del Exif.Sony1.Quality" $filename""",
+        "$easyaccess_test $filename ImageQuality",
+		"""$exiv2 -u -v -M"del Exif.Photo.Saturation" $filename""",
+        "$easyaccess_test $filename Saturation",
+		"""$exiv2 -u -v -M"del Exif.Photo.Sharpness" $filename""",
+        "$easyaccess_test $filename Sharpness",
+		"""$exiv2 -u -v -M"del Exif.Photo.Contrast" $filename""",
+        "$easyaccess_test $filename Contrast",
+		"""$exiv2 -u -v -M"del Exif.Photo.MeteringMode" $filename""",
+        "$easyaccess_test $filename MeteringMode",
+		"""$exiv2 -u -v -M"del Exif.Image.Model" $filename""",
+        "$easyaccess_test $filename Model",
+		"""$exiv2 -u -v -M"del Exif.Photo.BrightnessValue" $filename""",
+        "$easyaccess_test $filename Brightness",
+		"""$exiv2 -u -v -M"del Exif.Photo.Flash" $filename""",
+        "$easyaccess_test $filename Flash"
+    ]
+    stdout = [
+	"""Orientation           (Exif.Image.Orientation             ) : top, left
+ISO speed             (Exif.Photo.ISOSpeedRatings         ) : 200
+Date & time original  (Exif.Photo.DateTimeOriginal        ) : 2018:06:14 11:35:45
+Flash bias            (Exif.Sony1.FlashExposureComp       ) : 0 EV
+Exposure mode         (Exif.Photo.ExposureProgram         ) : Aperture priority
+Scene mode            (Exif.Sony1.SceneMode               ) : Standard
+Macro mode            (                                   ) : 
+Image quality         (Exif.Sony1.Quality                 ) : RAW + JPEG/HEIF
+White balance         (Exif.Sony1.WhiteBalance            ) : Auto
+Lens name             (Exif.Sony1.LensSpec                ) : 24-70mm F1.8-2.8
+Saturation            (Exif.Photo.Saturation              ) : Normal
+Sharpness             (Exif.Photo.Sharpness               ) : Normal
+Contrast              (Exif.Photo.Contrast                ) : Normal
+Scene capture type    (Exif.Photo.SceneCaptureType        ) : Standard
+Metering mode         (Exif.Photo.MeteringMode            ) : Multi-segment
+Camera make           (Exif.Image.Make                    ) : SONY
+Camera model          (Exif.Image.Model                   ) : DSC-RX100M5A
+Exposure time         (Exif.Photo.ExposureTime            ) : 1/125 s
+FNumber               (Exif.Photo.FNumber                 ) : F3.2
+Shutter speed value   (                                   ) : 
+Aperture value        (                                   ) : 
+Brightness value      (Exif.Photo.BrightnessValue         ) : 5.22031
+Exposure bias         (Exif.Photo.ExposureBiasValue       ) : 0 EV
+Max aperture value    (Exif.Photo.MaxApertureValue        ) : F2.8
+Subject distance      (                                   ) : 
+Light source          (Exif.Photo.LightSource             ) : Unknown
+Flash                 (Exif.Photo.Flash                   ) : No, compulsory
+Camera serial number  (                                   ) : 
+Focal length          (Exif.Photo.FocalLength             ) : 18.5 mm
+Subject location/area (                                   ) : 
+Flash energy          (                                   ) : 
+Exposure index        (                                   ) : 
+Sensing method        (                                   ) : 
+AF point              (Exif.Sony1.AFPointSelected         ) : n/a
+""",
+    """File 1/1: $filename
+Del Exif.Sony1.Quality
+""",
+	"""Image quality         (Exif.Sony1.Quality2                ) : RAW + extra fine
+""",
+    """File 1/1: $filename
+Del Exif.Photo.Saturation
+""",
+	"""Saturation            (Exif.Sony1.Saturation              ) : 0
+""",
+    """File 1/1: $filename
+Del Exif.Photo.Sharpness
+""",
+	"""Sharpness             (Exif.Sony1.Sharpness               ) : 0
+""",
+    """File 1/1: $filename
+Del Exif.Photo.Contrast
+""",
+	"""Contrast              (Exif.Sony1.Contrast                ) : 0
+""",
+    """File 1/1: $filename
+Del Exif.Photo.MeteringMode
+""",
+	"""Metering mode         (Exif.Sony1.MeteringMode2           ) : Multi-segment
+""",
+    """File 1/1: $filename
+Del Exif.Image.Model
+""",
+	"""Camera model          (Exif.Sony1.SonyModelID             ) : DSC-RX100M5A
+""",
+    """File 1/1: $filename
+Del Exif.Photo.BrightnessValue
+""",
+	"""Brightness value      (Exif.Sony1.Brightness              ) : 0
+""",
+    """File 1/1: $filename
+Del Exif.Photo.Flash
+""",
+	"""Flash                 (Exif.Sony1.FlashAction             ) : Did not fire
+"""
+    ]
+    stderr = [""] * len(commands)
+    retval = [0] * len(commands)
+
+###########################################################
+# Sony DSC-RX100M5A
+###########################################################
+@CopyTmpFiles("$data_path/exiv2-pr906.exv")
+class Sony5(metaclass=CaseMeta):
+
+    filename = path("$tmp_path/exiv2-pr906.exv")
+
+    commands = [
+        "$easyaccess_test $filename",
+		"""$exiv2 -u -v -M"del Exif.Sony2.Quality" $filename""",
+        "$easyaccess_test $filename ImageQuality",
+		"""$exiv2 -u -v -M"del Exif.Sony2.WhiteBalance" $filename""",
+        "$easyaccess_test $filename WhiteBalance",
+		"""$exiv2 -u -v -M"del Exif.Photo.LensModel" $filename""",
+        "$easyaccess_test $filename LensName",
+		"""$exiv2 -u -v -M"del Exif.Sony2.LensID" $filename""",
+        "$easyaccess_test $filename LensName",
+		"""$exiv2 -u -v -M"del Exif.Photo.Saturation" $filename""",
+        "$easyaccess_test $filename Saturation",
+		"""$exiv2 -u -v -M"del Exif.Photo.Sharpness" $filename""",
+        "$easyaccess_test $filename Sharpness",
+		"""$exiv2 -u -v -M"del Exif.Photo.Contrast" $filename""",
+        "$easyaccess_test $filename Contrast",
+		"""$exiv2 -u -v -M"del Exif.Photo.MeteringMode" $filename""",
+        "$easyaccess_test $filename MeteringMode",
+		"""$exiv2 -u -v -M"del Exif.Image.Model" $filename""",
+        "$easyaccess_test $filename Model",
+		"""$exiv2 -u -v -M"del Exif.Photo.BrightnessValue" $filename""",
+        "$easyaccess_test $filename Brightness",
+		"""$exiv2 -u -v -M"del Exif.Photo.Flash" $filename""",
+        "$easyaccess_test $filename Flash"
+    ]
+    stdout = [
+	"""Orientation           (Exif.Image.Orientation             ) : top, left
+ISO speed             (Exif.Photo.ISOSpeedRatings         ) : 100
+Date & time original  (Exif.Photo.DateTimeOriginal        ) : 2018:10:17 08:55:12
+Flash bias            (Exif.Sony2.FlashExposureComp       ) : 0 EV
+Exposure mode         (Exif.Photo.ExposureProgram         ) : Manual
+Scene mode            (Exif.Sony2.SceneMode               ) : Standard
+Macro mode            (                                   ) : 
+Image quality         (Exif.Sony2.Quality                 ) : RAW + JPEG/HEIF
+White balance         (Exif.Sony2.WhiteBalance            ) : Custom
+Lens name             (Exif.Photo.LensModel               ) : FE 85mm F1.4 GM
+Saturation            (Exif.Photo.Saturation              ) : Normal
+Sharpness             (Exif.Photo.Sharpness               ) : Normal
+Contrast              (Exif.Photo.Contrast                ) : Normal
+Scene capture type    (Exif.Photo.SceneCaptureType        ) : Standard
+Metering mode         (Exif.Photo.MeteringMode            ) : Multi-segment
+Camera make           (Exif.Image.Make                    ) : SONY
+Camera model          (Exif.Image.Model                   ) : ILCE-7M3
+Exposure time         (Exif.Photo.ExposureTime            ) : 1/100 s
+FNumber               (Exif.Photo.FNumber                 ) : F8
+Shutter speed value   (                                   ) : 
+Aperture value        (                                   ) : 
+Brightness value      (Exif.Photo.BrightnessValue         ) : 6.59922
+Exposure bias         (Exif.Photo.ExposureBiasValue       ) : 0 EV
+Max aperture value    (Exif.Photo.MaxApertureValue        ) : F1.4
+Subject distance      (                                   ) : 
+Light source          (Exif.Photo.LightSource             ) : Other light source
+Flash                 (Exif.Photo.Flash                   ) : No, compulsory
+Camera serial number  (                                   ) : 
+Focal length          (Exif.Photo.FocalLength             ) : 85.0 mm
+Subject location/area (                                   ) : 
+Flash energy          (                                   ) : 
+Exposure index        (                                   ) : 
+Sensing method        (                                   ) : 
+AF point              (Exif.Sony2.AFPointSelected         ) : Center Zone
+""",
+    """File 1/1: $filename
+Del Exif.Sony2.Quality
+""",
+	"""Image quality         (Exif.Sony2.Quality2                ) : RAW + extra fine
+""",
+    """File 1/1: $filename
+Del Exif.Sony2.WhiteBalance
+""",
+	"""White balance         (Exif.Sony2.WhiteBalance2           ) : Manual
+""",
+    """File 1/1: $filename
+Del Exif.Photo.LensModel
+""",
+	"""Lens name             (Exif.Sony2.LensID                  ) : Manual lens
+""",
+    """File 1/1: $filename
+Del Exif.Sony2.LensID
+""",
+	"""Lens name             (Exif.Sony2.LensSpec                ) : FE 85mm F1.4
+""",
+    """File 1/1: $filename
+Del Exif.Photo.Saturation
+""",
+	"""Saturation            (Exif.Sony2.Saturation              ) : 0
+""",
+    """File 1/1: $filename
+Del Exif.Photo.Sharpness
+""",
+	"""Sharpness             (Exif.Sony2.Sharpness               ) : 0
+""",
+    """File 1/1: $filename
+Del Exif.Photo.Contrast
+""",
+	"""Contrast              (Exif.Sony2.Contrast                ) : 0
+""",
+    """File 1/1: $filename
+Del Exif.Photo.MeteringMode
+""",
+	"""Metering mode         (Exif.Sony2.MeteringMode2           ) : Multi-segment
+""",
+    """File 1/1: $filename
+Del Exif.Image.Model
+""",
+	"""Camera model          (Exif.Sony2.SonyModelID             ) : ILCE-7M3
+""",
+    """File 1/1: $filename
+Del Exif.Photo.BrightnessValue
+""",
+	"""Brightness value      (Exif.Sony2.Brightness              ) : 0
+""",
+    """File 1/1: $filename
+Del Exif.Photo.Flash
+""",
+	"""Flash                 (Exif.Sony2.FlashAction             ) : Did not fire
+"""
+    ]
+    stderr = [""] * len(commands)
+    retval = [0] * len(commands)
+
+###########################################################
+# test cases for a single specific tag
+###########################################################
+#Exif.Image.ISOSpeedRatings
+class ImageISOSpeedRatings(metaclass=CaseMeta):
+
+    filename = path("$data_path/exiv2-bug479.jpg")
+
+    commands = [
+        "$easyaccess_test $filename ISOspeed"
+    ]
+    stdout = [
+	"""ISO speed             (Exif.Image.ISOSpeedRatings         ) : 250
+"""
+    ]
+    stderr = ["""Error: Directory Image: Next pointer is out of bounds; ignored.
+"""] * 1
+    retval = [0] * 1
+
+#Exif.Sony2.SerialNumber
+class Sony2SerialNumber(metaclass=CaseMeta):
+
+    filename = path("$data_path/exiv2-pr2323_coverage1.exv")
+
+    commands = [
+        "$easyaccess_test $filename SerialNumber"
+    ]
+    stdout = [
+	"""Camera serial number  (Exif.Sony1.SerialNumber            ) : 12345678
+"""
+    ]
+    stderr = [""] * 1
+    retval = [0] * 1
+