This Nauticam Macro Port 41 is designed for housings supporting the N120 Port System. The front of the port has integrated 67mm threads for accessories.
            
            
          
            
              Technical Specifications
              
| Depth Rating | 
150m | 
| Port System | 
N120 | 
| Weight | 
 | 
| Port Opening Diameter | 
98mm | 
| Port Diameter | 
65mm | 
| Body Material | 
Anodized Aluminum Alloy | 
| Port Material | 
Optical Glass | 
| Port Coating | 
 | 
| Port Shade Material | 
 | 
| Removable Port Shade | 
 | 
| Spare O-ring | 
90140 |