Nimar Flat Lens Port with Zoom Control for Canon EF-S 18-55mm f/3.5-5.6 Lenses

This Flat Lens Port with Zoom Control from Nimar fits and protects Canon EF-S 18-55mm f/3.5-5.6 lenses when used on a DSLR camera in a Nimar underwater housing. It has a depth rating of 197'. The port features a bayonet mount and a flat front element constructed from clear polycarbonate. Its body is made of Delrin acetal resin, a high-strength plastic. The port allows you to zoom with the lens while shooting beneath the water's surface.