CR2 is a digital photography RAW format created by Canon Inc., one raw image file can save all original image information without any image processing, so it is a excellent format for all professional photographers or photography fans.
The RAW file need to retain all the details and information, so the file size is much larger than JPG/JPEG image file.
For commercial filming or post-production, you should use the RAW image format.
You can convert online your images from CR2 to JPG
*.cr2 file type is supported by these models:
EOS 400D
EOS-1D
EOS-1D Mark II
EOS-1D MarkIII
EOS-1DS
EOS-1DS Mark II
EOS-20D
EOS-30D
EOS-350D
EOS DIGITAL REBEL XT
EOS-350D DIGITAL
EOS-40D
EOS-5D
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