If I convert an image from 16bit prophoto to 8bit prophoto, will I see any loss in quality or color accuracy? I'm thinking NO because I haven't changed the color space (prohoto). I understand that 16 bits is better for image capture (camera) and image editing (Photoshop), but what about image printing? Let's say I finished editing my 16bit Prophoto image and I'm happy with the colors and tonality. Now it's time to send that image file to my photo lab for printing. They insist that I send them the file in 8bit only. OK, no prob. I convert the 16bit Prophoto to 8 bit Prophoto. Because i already finished the editing phase, I have no need to stretch tone curves, bend pixels, or do any color manipulation whatsoever, so I don't need a 16bit channel anymore. So converting to 8 bits only reduces the file size; it has no effect on color or dynamic range, correct?