Originally Posted by figmental1978 
Surely it's backwards compatible....K10D?
It works with my K100D so I think that all models are probably good. It is just a RAW converter and picture organizer after all.
I have not tried any of the lens correction do dads but it reads my files and converts them to .jpegs with all of the whitebalance, sharpness, contrast, noise, rotation, etc. features.