100mm MIIM heavy-duty threading allows fast, tool-free lens and extension swaps for quick adaptability
Optimized internal geometry ensures compatibility with professional lens profiles and minimizes stray light for superior image quality
Reinforced studio mount with soft nylon axial thumbscrews and embedded hex nuts provides a secure, non-slip grip and protects lens barrels
Rapid evacuation air chamber enables near-instant air removal upon submersion to prevent bubbles in the shot
Ionic exchange cleaning process guarantees all components are free of debris before contact with water, maintaining optical clarity
Summarized by Shop
The Porthole Studio Bundle is made for professional reef photography and cinematography.
The Porthole Studio Mark II is a modular reef photography system with a precisely engineered optical interface designed for DSLR and mirrorless photography. Rebuilt from the ground up on our new MIIM (Mark II Modular) architecture, the Porthole Studi
Weight
270 g (9.5 oz)
Optical Diameter
90 mm (3.5 in)
Materials
Plastic, Nylon, Silicone, Metal
Compatible Cameras
DSLR and mirrorless
Included
Mark II lower lens assembly, upper lens assembly, universal dust cap