Ewa-Marine 37-52mm Step-Up Ring Tweet Description The Ewa-Marine 37-52mm Step-Up Ring adapts lenses with 37mm filter threads to 52mm threaded filter size. Details Additional Category Tags: Lenses, Lens Ports & Lens Gears, Lenses & Lens Port Accessories Category: Photography Manufacturer Catalog Number: RA3752 Product Manufacturer: Ewa-Marine Subcategory: Underwater Photography
