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Zip Box Adapter Rings (49, 52, 55, 58, 62, 67, 72, 77mm) adapts lenses with threaded front rings sizes 49, 52, 55, 58, 62, 67, 72, and 77mm to the Zip Box 4×4 (80-85mm) and the Zip Box Double 4×5.65 (80-85mm). All adapter ring sizes are included with the kit!

It is important to note that many lenses with a threaded front of 77mm can work natively in the Zip Box 4×4 (80-85mm) and the Zip Box Double 4×5.65 (80-85mm) because there exterior diameter is approximately 85mm when accounting for the lens hood bayonet, etc. Please check the list of compatible lenses on the Zip Box 4×4 (80-85mm) and Zip Box Double 4×5.65 (80-85mm) pages.

Individual ring dimensions: 84mm exterior diameter x 6.5mm thick

Check out our complete line of Zip Boxes:
Zip Box 4×4
Zip Box Double 4×5.65?
Zip Box 138mm Round