==== E X I F====
  * [[wp>Exif]]
  * overview > http://www.exiv2.org/metadata.html

==== Exif Specifics ====

==== Leica (M-mount) lenses ====

| **Lens** | exif tool parameters |
| MS Optical Sonnetar 50mm f/1.13 | ''exiftool -P -overwrite_original -FocalLength=50 -MaxApertureValue=1.1 -Lens="MS Optical Sonnetar 50mm f/1.1"'' |
| Jupiter 8 50mm f/2 | exiftool -P -overwrite_original -FocalLength=50 -MaxApertureValue=2 -Lens="Jupiter-8 50mm f/2" |
| Voigtländer Nokton 50mm f/1.1 | exiftool -P -overwrite_original -FocalLength=50 -MaxApertureValue=1.1 -Lens="Voigtländer Nokton 50mm f/1.1" |
| Summicron 40mm f/2 | exiftool -P -overwrite_original -FocalLength=40 -MaxApertureValue=2 -Lens="Leica Summicron-C 40mm f/2" |
| Summicron 35mm f/2 (IV) | exiftool -P -overwrite_original -FocalLength=35 -MaxApertureValue=2 -Lens=“Leica Summicron-M 35mm f/2 (IV)” |
| Summicron 50mm f/2 (IV, V) | exiftool -P -overwrite_original -FocalLength=50 -MaxApertureValue=2 -Lens=“Leica Summicron-M 50mm f/2 (IV, V)” |
| Voigtländer Nokton 50mm f/1.1 | exiftool -P -overwrite_original -FocalLength=50 -MaxApertureValue=1.1 -Lens="Voigtländer Nokton 50mm f/1.1" |


==== Mamiya 6 ====
''exiftool -P -overwrite_original -FocalLength=50 -ISO=400 -MaxApertureValue=4 -Lens="Mamiya 50mm f/4" -CameraLabel="Mamiya 6" -Make="Mamiya" -Model="Mamiya 6"  *.tif''  

''exiftool -P -overwrite_original -FocalLength=75 -ISO=400 -MaxApertureValue=4 -Lens="Mamiya 75mm f/3.5" -CameraLabel="Mamiya 6" -Make="Mamiya" -Model="Mamiya 6"  *.tif''  

==== Leica Film Cameras ====

**Leica M7** with Sonnetar 50

exiftool -P -overwrite_original -FocalLength=50 -ISO=400 -MaxApertureValue=1.1 -Lens="MS Optical Sonnetar 50mm f/1.1" -CameraLabel="Leica M7" -Make="Leica Camera AG" -Model="M7"  *.tif 

**Leica M6** with Summicron 35

exiftool -P -overwrite_original -FocalLength=35 -ISO=400 -MaxApertureValue=2 -Lens="Leica Summicron-M 35mm f/2 (IV)" -CameraLabel="Leica M7" -Make="Leica Camera AG" -Model="M7"  *.tif 


**Leica CL** with Summicron 40

exiftool -P -overwrite_original -FocalLength=40 -ISO=400 -MaxApertureValue=2 -Lens="Leica Summicron-C 40mm f/2" -CameraLabel="Leica CL" -Make="Leica Camera AG" -Model="CL"  *.tif