Canon 5D mark 1 comes with the Focusing Screen Ee-A. I like to have a custom grid on this screen. Is it possible to draw or maybe etch custom grid on this piece? If possible, how can we do it?
I want a better autofocus system for low light. Low light auto focus is my biggest bane. I use a 5D so the options are AF on a flash like the 430 or 580. I happen to use the Pocket Wizard TT1 so I ...