Not for contrast control. It won't work like MG paper, if that's what you're asking. But there are many other ways to control contrast, e.g. by fine-tuning exposure and development, by dodge and burn, by bleaching and SLIMT (which I haven't done, but why not). Colour filters will allow you to play with with tones correspond to particular colours, so a colour head will be nice to play with (I don't have one).2) Is it possible to use a color head to have more contrast control?