Nauticam Macro port 45This Nauticam Macro Port 45 is designed for housings supporting the N85 Port System. The front of the port has integrated 67mm threads for accessories. This port is designed to support the following lenses: Leica DG Macro Elmarit 45mm F2. 8 ASPH Nikon 1 Nikkor VR 10 30mm F3. 5 5. 6 Sony E Mount 30mm f 3. 5 Macro Technical Specifications Depth Rating 100m Port System N85 Weight Port Opening Diameter Port Diameter Body Material Anodized Aluminum Alloy