E16 Pancake Port ~with 67mm ThreadThis 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