Raynox RA3721 37mm to 21mm Step-up Adapter Ring
SKU: IRXRA3721
This item is no longer available.
Share:
Overview
Compare
Learn
Specs
Protection
About Raynox RA3721
The thin Raynox RA3721 ABS/PC Adapter Ring, only 6mm thick, allows you to attach a 37mm filter or lens accessory to a camera that has a 21mm filter female thread size.