Quote Originally Posted by shutterfinger View Post
6x9 roll film holders have a film gate that is 57mm x 72 to 78mm depending on make and vintage; 6x7 roll film holders film gate is 57mm x 62-68mm; 6x6 roll film holders film gate is 57mm square.
Charles, are you sure? Mine measure from 78 mm long to 82 mm long, depending, as you said, on make and vintage.