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 Studio is designed for the uncompromising reef photographer who demands optical integrity and mechanical stability. This is no longer merely a window into your reef; it has become an extension of your professional glass. Key Features 100mm MIIM Architecture: The Porthole Studio is anchored by our proprietary 100mm heavy-duty threading. This cinema-inspired architecture enables rapid, tool-free configuration, allowing you to swap between extensions and prime lens adapters in seconds. Optimized Light Path: We have optimized the internal geometry to a diameter of 90mm (3.5"). This precise calibration ensures compatibility with contemporary professional lens profiles, greatly minimizing internal bounce and stray light, which results in improved contrast and more accurate color saturation. Reinforced Studio Mount: The Mark II Upper Assembly features soft-nylon axial thumbscrews. Engineered with embedded 6/6 nylon hex nuts, this mount provides a secure, non-slip grip that protects your lens barrel while maintaining the optical path perfectly centered. Rapid Evacuation Design: Internal air chambering enables near-instant air evacuation upon submersion, ensuring that no trapped bubbles ruin your shot. Ionic Air-Cleaned Optics: Every Porthole Studio unit undergoes a proprietary ionic-exchange cleaning process. We ensure all components are free of debris before they contact your water or glass, maintaining the pristine environment needed for high-resolution macro capture. Tactile Depth Reference: Our signature silicone logo band is placed at the 4-inch mark. This creates a subtle, functional waterline guide, helping you keep a steady depth of field without ever losing sight of the viewfinder. 20% Weight Reduction: Modern engineering incorporates lighter materials. By decreasing the total weight to just 9.5oz (270g), the Studio Mark II minimizes stress on your lens’s internal autofocus motors and your camera's mount, enabling longer, more comfortable shooting sessions. The Ultimate Diagnostic Tool: Apart from professional photography, the Porthole Studio Mark II is a vital tool for husbandry. Use your DSLR's superior clarity to track coral growth over time, spot early signs of pests, or examine high-resolution images of "mystery" hitchhikers that are invisible to the naked eye through surface ripples. The Porthole Studio Bundle comes with Mark II Lower Lens Assembly, Upper Lens assembly and one universal dust cap.
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