This Sea & Sea zoom gear is used with the Nikkor AF 18-35 mm ED F3.5-4.5D lens and compatible Sea & Sea underwater camera housing systems.Port Compatibility NX Fisheye Dome Port #56401 with SX Extension Ring #50261 NX Compact Dome Port #56601 with Extension Ring 40 #56111 Housing Compatibility Nikon DX-D200 DX-S2Pro DX-D80 DX-D100 DX-D50 DX-D70 Additional Information Brand: Sea & Sea Product Category: Photo & Video Product Type: Camera