Sea & Sea Focus Gear Set for NX-90 Housing with AF NIKKOR 105mm f/2.8D Lens

This is a set of 2 focus gears. One of the gears is used to go between auto and manual focus. The other is used for manual focusing of the lens. The gear set is compatible with all the Sea & Sea NX series housings as well as the housings for digital cameras that are compatible with this lens. The gears should be used when the AF Micro Nikkor 105mm f2.8D lens is in the NX Custom Flat Port or in the NX Zoom Port with Extension Ring 40.