Ikelite Anti-Reflection Ring for Canon RF 15-30mm f/4.5-6.3 IS STM Lens Screws and Hardware Sets There is also a lens

There is also a lens release for both EF and RF mounts

you can be sure to get the sharpest image possible

The cable grip can attach either around a ball mount stem or in the centre slots of newer ball arm sections

A perfectly clear back provides a view of the camera and o-ring seal

ensuring long-lasting durability and performance

Ikelite Anti-Reflection Ring for Canon RF 15-30mm f/4.5-6.3 IS STM Lens Screws and Hardware Sets There is also a lensIkelite 0923. 15 Anti Reflection Ring for Canon RF 15 30mm f 4. 5 6. 3 IS STM Lens 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 RF 15 30mm f 4. 5 6. 3 IS STM lens.