Wide angle dome porthole with 120 mm bayonet. The extension rings fit perfectly. Various available measures, selectable from the drop-down menu.
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.