The Delta Proof File Jumbo Proofer is oversized at 11 x 12", to accept all plastic file pages. It allows proofing to be done without removing negatives from preserver.
This contact proofer features thick optical glass for clarity, and a heavy, 20 gauge steel base, with cork feet. It also has a cushion of dense, 130 lb. foam.
It can be used as a borderless easel or as a copyboard.This proofer delivers professional results.