The Sea & Sea Port Extension Ring 40 provides additional room between the Sea & Sea Housing and Port so it may be used with the Nikon Ai AF Micro-Nikkor 105mm F2.8D, Nikkor ED 14mm F2.8D, Nikon Ai AF-S 200mm Nikkor ED 17-35mm F2.8D (IF), Nikon AF 200mmZoom-Nikkor ED 18-35mm F3.5-4.5D (IF), Cannon EF-S 10-22mm F3.5-4.5 USM, EF 16-35mm F2.8L USM and EF 15-35mm F2.8L I USM, Sigma AF 14mm F2.8 EX Aspherical HSM, 20-40mm F2.8 EX DG Macro/HSM and 15-30mm F3.5-4.5 EX DG Aspherical Lenses.
The Extension Ring is compatible with Sea & Sea Housings. The Ring is manufactured from a durable and corrosion-resistant aluminum alloy (alumite coating). The Ring is depth rated to 330' (100 meters), provides 1.6" (40mm) of distance between the mount and the front end, measures (Dia. x D) 5.4" x 2.2" (135mm x 56.5mm) and weighs 12.1oz (345g). Ring is covered by a 12 month limited warranty.
EASY 1-2-3 shows you step-by-step how to create your very own system! You select your housing and compatible lenses, and ports are given to you followed by compatible strobes and cables. Creating your system has never been easier. Forget the headaches trying to explain housing systems to customers. EASY 1-2-3 does the job for you!
Check out SEA&SEA EASY 1-2-3 now!