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The Nauticam WACP, Wide Angle Conversion Port is a completely revolutionary tool for water contact optics. This dry port is very similar to the incredibly sharp, quality Nikonos lenses of yesteryear, designed specifically, and only intended for underwater use. This port is specific to full frame cameras when using a 28mm lens. See below for a list of compatible lens options.
While this looks like a standard dome port, upon holding it the weight alone proves it is much much more, and is really a lens disguised as a dry port. The WACP is a wide angle conversion port which unlike traditional ports or wet-mate corrective wide-angle lenses, modifies a 28mm equivalent lens to an extremely sharp 130º.
Better than many standard wide angle lenses, the WACP can focus from directly in front of the front element to infinity allowing for extremely close-focus wide angle shooting. In addition the primary benefit to the WACP is the improvement of corner sharpness. Most wide angle lenses used behind dome ports suffer from soft and blurry edges. The WACP, a specific water contact optic port, eliminates that corner sharpness, providing the user with clear, sharp images across the board.
If you want an even wider option, designed for 14mm equivalent lenses, check out the WACP-2! It can produce a revolutionary 140 degree field of view with a 14mm equivalent lens - the widest rectilinear field of view on the market.
Canon EOS 5D Mark IV, EF 28-80mm f/3.5-5.6 USM, Nauticam WACP, 1/125, f/7.1, ISO 640
Canon EOS 5D Mark IV, EF 28-80mm f/3.5-5.6 USM, Nauticam WACP, 1/40, f/5.6, ISO 320
Canon EOS 5D Mark IV, EF 28mm f/2.8 IS USM, Nauticam WACP, 1/200, f/14, ISO 160
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