Ring for Rodenstock Sironar N lenses

[Kevin J. Kolosky]

I used a small rubber band. Didn't do anything that I could see. I think I will leave it like it is.

[Jim Noel]

An easy thing to try is a shim cut from sheet film. It doesn't even have to be real neat.

[Bob Salomon]

An easy thing to try is a shim cut from sheet film. It doesn't even have to be real neat.

Only works if that is the needed thicness.