Canon has releases the  update 1.4.0 for its RAW Codec. When installed in Windows Vista/Windows XP SP2/SP3, the new codec enables the import and display of RAW images (with the extension .CR2) that are taken with Canon cameras. The new codec also provides support for new cameras like the Canon EOS 5D Mark II and EOS 50D.

Click here to download Canon RAW Codec 1.4.0

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