![]() RAW files are the best quality to size ratio that a photograph can be stored in, primarily because each color is recorded in either 12 or 14 bits, and lossless compression is used. JPG typically achieves 10:1 compression with little perceptible loss in image quality. The degree of compression can be adjusted, allowing a selectable tradeoff between storage size and image quality. JPG is a commonly used method of lossy compression for digital images, particularly those produced by digital photography. ![]() If you tried to do this with JPEG, this would be difficult and likely result in a quality loss. You can choose to store your pictures in RAW format, which gives you the benefit of doing a lot of post-processing on the file. Instead, it is used to store information directly coming from the sensor. This does not contain a ready-to-view picture like a JPG or PNG file. The Canon RAW version 2 (cr2) format is a RAW format created by Canon for storing digital images.
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