Ikelite Anti Reflection Ring for Canon 17-40mm f/4 Lens - Underwater Photography Accessory for Clear Shots in Scuba Diving & Marine Exploration

A self-adhesive vinyl label covers the white lettering and ring details on the front of the lens to reduce reflections when used behind a dome port underwater.

Designed specifically for use with the Canon EF 17-40 mm f/4L IS USM lens.

Lens is not included; shown for illustrative purposes only.