Leitz 16590N LTM mount for M Macro Bellows brass It's compatible with Canon EF

It's compatible with Canon EF and EF-S lenses

All functions are good

Each edge of the clamping mechanism can accommodate an ISO standard shoe accessory (sold separately) and there's a 1/4" threaded socket on the back for more attachment options

even though this is supposed to be a metering prism

8 (3 cam) is a wide angle lens for Leica R mount SLR cameras

Leitz 16590N LTM mount for M Macro Bellows brass It's compatible with Canon EFThe Leitz 16590N is an LTM mount coupler for the Leica M Macro Bellows. As you might have guessed, when mounted to the front of the bellows, this part allows you to attach LTM lenses to it. in excellent condition.