ngrohosky wrote in post #8450657
today is my first day with my new toy and i shot some photos of my best friend and her boyfriend. however, when i try to pull them up in photoshop CS2, (CR2 files), it says they are unreadable.. i had a 5d before this and never had this problem even when i was shooting in the same format.. im baffled. HELP! thanks so much!
Each version of Photoshop only supports the cameras that were released while that Photoshop version was current. Like most software companies, Adobe does not continue to invest considerable programmer salaries on development of software they no longer sell.
So to get ACR support for the 5D2, you would have to buy CS4.
Or, if you're going to have to use an external program anyway for conversion, you could use the excellent Canon DPP that came with the camera to convert the raw to TIFF and then edit the TIFF in CS2.