Capture extreme close-ups of coral, pygmy seahorses, and parrot fish at depths as great as 200' with this FL Modular Flat Port, which accommodates most popular portrait and macro lenses. It ships without a required extension, and accepts a variety of models that fit most lenses and connect directly to Ikelite camera housings with FL (Four Lock) mounts. Compatible lenses include those from Canon, Nikon, Sigma, Tamron, Tokina, Panasonic, Olympus, and Sony. For details, please see the following port charts: FL, FL for Panasonic Lumix GH3/GH4 Housings, and FL for Sony Alpha 7-series Housings.