This item is non-returnable, non-refundable, non-cancellable, and may be subject to extended lead times as it is manufactured on demand.  We always do our best to meet trip deadlines so please advise us if you have a trip coming up!  
This pancake port is part of the N85 port system and features an optical-glass 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.
This port is designed to support the Sony SEL16F28 E 16mm F2.8 and Canon EF-M 22mm f/2 STM lenses and features integrated M67 threads in the front of the port for accessories.
            
            
          
            
              Technical Specifications
              
| Depth Rating | 
100m | 
| Port System | 
N85 | 
| Weight | 
 | 
| Port Opening Diameter | 
 | 
| Port Diameter | 
 | 
| Body Material | 
Anodized Aluminum Alloy | 
| Port Material | 
Optical-Glass | 
| Port Coating | 
 | 
| Port Shade Material | 
 | 
| Removable Port Shade | 
 | 
| Spare O-ring | 
90143 |