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OptimizeFree PGM to NEF Converter
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PGM
Portable Gray Map
Portable Gray Map (PGM) is a file format for grayscale images. It is a lowest common denominator grayscale file format that most image processing programs can read and write.
Main usage
PGM is used for storing images such as X-ray images, medical images, and other scientific images.
- 8-bit grayscale
- 1-bit black and white
- 24-bit RGB color
Main features
NEF
Nikon Electronic Format
Nikon Electronic Format (NEF) is a raw image format created by Nikon for use with its digital cameras.
Main usage
NEF is used for storing and editing digital photographs taken with Nikon cameras.
- High image quality
- Lossless compression
- Non-destructive editing