Flat ports for standard and macro in different lengths to be adapted for the respective lenses, with flat tempered crystal glass, also with M67 thread to support super macro lenses. The extension rings fit perfectly to all portholes and the different lengths allow the use of various lenses. Collar gears for reflex zoom lenses allow zoom and manual focus use underwater. Other brands' portholes can be mounted to the Isotta housings with specific adapters.
Do you prefer wide-angle or fisheye?
Different wide angle or fisheye 180° lenses can be mounted using the correct dome port built with a special crystal optical. All ports have been designed to obtain the best quality images and to maintain all specific lens targets unaltered.
Change portholes with one hand
Thanks to the marked bayonet-type connection, the porthole assembling is intuitive and simple. Port locking is simple and secure and can be done with one hand only.
Safety and security come first
Safe watertight is guaranteed by dual high quality O-ring seals. All Isotta portholes are supplied with a dedicated neoprene cover to protect it, finished with a stretchy elastic edge binding for an easy get on and off.
High performance, excellent materials
A perfect quality image is guaranteed by high quality Isotta front portholes. Made with prestigious material such as anticorodal aluminium, tempered glass and crystal optical, all flat portholes for standard or macro lens and dome portholes for wide angle lens, will keep all lenses features unaltered and ensure brilliance underwater.
**If you would like to see more specifications and images of other Isotta ports please visit the Isotta website