These rings are newly manufactured for mounting filters of any sort in standard 62mm camera barrel.
These adapter rings are made of anodized Al, with a nice flat black finish. Inner and outer thread are both standard camera thread of 62mm size (Rings are stack-able).
One unit includes the ring and a maching threaded retainer.
This ring will accept filters of 57 mm dia. to 61.5mm dia., with thickness up to 6mm. (note picture is of a 48mm ring)
Filed under: Eyepieces & Accessories