138mm Diopter Custom size adapter ring

Make your own custom size adapter ring for 138mm diopter Adapter. Please enter desired size in millimeters. Diopter adapter has 114mm default diameter, there are two options - in case of stackable adapter rings enter desired default combination of ring sizes, external should match exhisting size (134, 120, 114, 110, 104, 100, 95, 80mm). In case of individual adapter ring external size should be entered 136mm. 

Production time 3-5 working days. If you have any questions please let us know info@nd9.eu