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PBM
Portable Bitmap
Portable Bitmap (PBM) is a lowest common denominator monochrome file format created by Jef Poskanzer in the 1980s. It is a plain text format that uses 0s and 1s to represent image data.
Main usage
PBM is used for storing monochrome images, such as line drawings, black and white images, and simple logos.
- Monochrome
- Plain text format
- Uses 0s and 1s to represent image data
Main features
X3F
Sigma X3F
Sigma X3F is a proprietary RAW image format used by Sigma digital cameras.
Main usage
Sigma X3F is mainly used for digital photography and image editing.
- High resolution
- High dynamic range
- High color accuracy