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CR2, CR2 Canon Digital Camera Raw Image version 2 (.cr2)

 

The .cr2 file format

CR2 files store information directly from the sensor to the backing storage device; images held in this way cannot be easily viewed like JPG or PNG file type. When stored using RAW formats, the images can be edited in much more detail when processed later while maintaining quality. However with JPG or other image formats quality is significantly reduced. Raw images are like digital versions of film negatives.

 

.cr2 technical details

Before being converted to a file format which is easy to print or send raw images in a CR2 format are synthesised by a raw converter in a wide-gamut internal color space. Each color is recorded in either 12 or 14 bits using lossless compression. CR2 succeeded CRW format used by Canon in the 350D, 1D, G9, and 20D models. CR2 files are founded on the TIFF file format and are recognized by programs such as Microsoft’s Digital Image 2006, although the product was discontinued in 2007.

 

Additional information about CR2 file format

File extension .CR2
File category IMAGE
Useful links http://pcsupport.about.com/od/fileextensions/f/cr2-file.htm
File conversion Convert a CR2 file
Developer Canon Inc.
Associated programs Paint Shop Pro, Adobe Photoshop, Adobe Photoshop Lightroom, Picasa, digiKam