What plug-in did you download? AFAIK, there's no "plug-in" that allows you to read DL2 files in Photoshop CS.
What you have to do is DL the latest version of Adobe DNG, convert the PEF to DNG format, and then CS with Adobe Camera Raw 2.4 will open it. Shel > [Original Message] > From: Peter Jordan > I've searched the archive and not found any post on this topic, so excuse me > if this question has already been asked. > > Is there a way of getting CS to read istDL2 RAW files? > > I've downloaded the latest plug in from Adobe that mentions DS2 and DL, but > that still gives me a file format error.

