What plug in do I need in cs5 to open Nikon 5200 raw files?
FAQ: Answers to common Camera Raw problems
There's no direct support for your camera in CS5.
It would require ACR 7.3 or higher, which only work with CS6.
You can download and run the free Adobe DNG Converter 7.4 to convert your raw Canon files to raw DNGs which you can then open in CS5.
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