Vizelex Cine ND Throttle Lens Mount Double Adapter - M42

The Vizelex Cine ND Throttle Lens Mount Double Adapter (M42) includes three adapters. One adapter allows an M42-mount lens without aperture monkeys, or with a non-fully depressed aperture monkey and tabs along the screw mount, to be used on a Canon EF- or EF-S-mount camera.