which is better to interface with de2115 fpga?? A camera which has a raw output or just a videocam that use the video input of the board??
Better in regard to which aspect? What do you ask for?
OK. I try another way to answer: In case I would be you, I would be eager to learn criteria, which would allow me to decide myself - or at least allow me to ask pointed questions. So the first question would be: Which criteria are relevant for connecting by raw and which one when connecting by video?
Oh, thats an easy one. First you have to define a way to measure "bettericity". After associating a bettericity value with the camera using raw output and the one with the board-like video output, you simply order the scores in a descending manner and pick the first one. Everybody a nice weekend