N200 250mm Optical-Glass Wide-Angle Dome Port ~Deep Version - Depth Rated to 100m remove-klevu This focus gear is specific

This focus gear is specific for the Sigma 8-16mm F4

5G ED lens

1000times Compatible housings: NA-1DXII

Nikon AF-S 60mm Macro (not compatible with the earlier SMC-1) provides 1

This is an M14 mount Nikonos 5-pin bulkhead with universal hotshoe connection (x and ground connection only)

N200 250mm Optical-Glass Wide-Angle Dome Port ~Deep Version - Depth Rated to 100m remove-klevu This focus gear is specificNauticam optical glass dome ports are finely ground to the highest standard of precision and represent the state of the art in both manufacturing and optical technology. 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 optical glass wide angle port has a diameter of 250mm and is part of the N120 port system. This version is a more