Leitz Summicron 5cm f2 lens mount_Mamiya NC it also has a fast

it also has a fast f4 constant aperture and Canon’s premium L-series optics

but if you're the kind of person who believes that a button label should be placed anywhere near its corresponding button

It works best with low-speed film

This is not the film cutter for cameras

3 (model 185D) zoom lens for Pentax K-mount SLRs

Leitz Summicron 5cm f2 lens mount_Mamiya NC it also has a fastLeitz Summicron 5cm f2 lens for Leica thread mount. A nice little lens in good shape, just back from a professional CLA. Minor coating marks nothing that'll cause trouble and otherwise clean glass. Smooth focusing and good diaphragm with minor wear. A great companion for any LTM rangefinder.