There is no unity of standard for front diameter of professional film lenses.
Especially vintage lenses be applied again, here is a diversity of lens housings.
The customer mount the adapter ring 100/110 fix onto the lens, and will be supplied with a protecting cap.
Compatiblity100mm front diameter
PS-rehoused Super Baltar, Kinoptik, Schneider, Tele-Panchros
- adapter ring