Ikelite Port extension 56 mm (DLM)

Extends a mirrorless flat port for use with longer lenses. 

An interchangeable lens camera demands a housing with interchangeable lens ports. It couldn't be more simple to change ports than this sytem - just press the port on and tighten three thumb screws. Feel positive reinforcement that the port is secure without any complex moving parts that can jam or break in a remote location.