With this simple folding lens support approach prevents having to be screwing and unscrewing the lens on the front, thus saving time and avoid lifting manipulate particles when the lens.
This product includes an internal thread for mounting in front of metric 67.
Features: Foldable support simple compound of two rings with hinged closure system.
Material: Built in duralumin, with black anodized finish
Weight: 130 grams
Diameter of circle: 85mm