The line up includes dome ports, flat ports and dedicated ports for Nikon micro lenses. Currently, lenses from full frame fisheyes through to 180mm macro lenses and many zooms can all be accommodated. The exceptionally wide choice of lenses available to Subal owners when combined with the facility to control focus modes, including switching between manual and AF functions, focus lock and manual focus with zoom makes the Subal system the most professional and versatile available. Subal ports all feature optical glass lenses for the highest possible image quality and for ease of cleaning.
Most ports feature delrin bodies to reduce weight.
They mount to the housing via a bayonet which ensures quick and easy port changes and is very secure. Dome ports DOME ports are recommended for use with lenses wider than 35mm. They provide several benefits. Firstly, they improve sharpness and colour saturation with wide angle lenses. Secondly, they eliminate refraction so that the focal length of a lens virtually does not alter underwater.