The Xit 404 Nauticam Gear for Nikon - Turtle Line is part of the Turtle Line and is designed to fit with approved Aquatica SLR housings for Nikon cameras. See our Chart of Verified Housings to determine if your model is supported. You must also select the appropriate Focus Ring (sold separately)
...This Xit 404 Nikon Macro EF USM 105mm VR Focus Ring Kit brings the focus back to the zoom knob on the housing, freeing your hand from having to focus on the port itself.