N50 Short Port with M67 Thread ~for Wet Wide Angle Lenses (Widest Focal Length Only) trigger Protective hard cap for 250mm

Protective hard cap for 250mm Optical-Glass Wide-Angle Dome Port

While it can't show what effect strobes would have on the exposure

6 IS STM lens

Shooting with Fiber Optic cables means shooting with confidence

N50 Short Port with M67 Thread ~for Wet Wide Angle Lenses (Widest Focal Length Only) trigger Protective hard cap for 250mmThis short port is part of the N50 port system and features an optical glass front element and anodized aluminum construction. Different size ports are available to support a wide variety of lenses and housing types. Port extensions or adapters may be necessary for some ports and housings. The N50 Short Port offers precise placement of wide lenses very close to the port's front element at its widest angle zoom position. Zoom through is not available