Copal Lens Shutter #3

Copal Lens Shutters - the wolrd's leader in dependable, accurate, camera shutters. Developed exclusively for the professional market and intended for use with high quality inner and outer lenses. They fulfill the rigors demanded of art, industrial, scientific and professional photographers.

The #3 Shutter has a 56mm Mounting Screw and fits many large format lenses made in Japan