do you know if a lens mounted on a sinar lensboard fits a 4x5 Crown
Graphics?
Thanks.

A friend dropped off an immaculate 85mm F2 Cinelux-Ultra projection lens.
(An anamorphic lens.)
Before I get into hacking a mount to a 35mm camera, I must ask: can I use
the same lens for taking and projection (enlarger)?

Hello LF public
I recently bought a very old GTR triple convertable (5x5 glass), have been reading
about them in public forums by search in Google and learnt that they have bad
"chromatic aberation" (as it were), so it is necassary to use a yellow, orange or red