Ikelite Anti-Reflection Ring Sigma 15mm Screws and Hardware Sets It can be mounted on

It can be mounted on 67mm threaded lens ports and other dimensions by using an adaptor

Not compatible with AF35 strobe

Triggering of fibre optic strobes is not supported at this time

A slide lock helps prevent accidental activation when stored or travelling

that do not have rear filter holders

Ikelite Anti-Reflection Ring Sigma 15mm Screws and Hardware Sets It can be mounted onIkelite 0923. 85 Anti Reflection Ring for Sigma 15mm Fisheye Lenses Product Details 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 Sigma 15mm f 2. 8 EX DG Diagonal Fisheye. Special Order Product 1 2 weeks delivery.