ETone Retaining Ring For Copal #0 Shutter – Flat & Recessed Options For 4x5/8x10 Lenses

If you’re into large format photography, you know the struggle of mounting lenses.

This eTone retaining ring is made for Copal #0 shutters (also fits Compur).

It comes as a set with both flat and recessed options, so you can mount your lens flush or recessed on your 4x5 or 8x10 field camera.

It’s a universal fit for lenses like Rodenstock, Schneider, Fujinon, and Nikkor.

Just a simple, machined ring to securely hold your glass.

Brand new and ready to help you get that sharp focus on the ground glass.