Quote Originally Posted by Steven Ruttenberg View Post
One sets focus by adjusting the height of the film holder. I updated mine with 3/16x100 tpi thread. And made sever laser cut aluminum film masks. Had cerakoted in black and will next cover them in black flocking.
Are you using the more accurate scanner lens that works with the film holders rather than the less accurate on used on the platen for 8x10's?