Quote Originally Posted by Daniel Browning
DPP probably doesn't either. I was thinking of image editors like Photoshop, Gimp, etc. It's probably not common for raw converters to have a crop tool that works at 100%.

I open the DPP crop tool, make a rough box with a width near 800, and then type 800 into the width box before hitting OK. That will give me a 100% view of the 800 pixel of my choice.