Xit 404 Ergonomic Focus Knob for Nauticam Mirrorless Housings
The Nauticam Focus Knob gives you the perfect control you need when performing that critical focus. It also makes it easier to zoom with a wide angle lens. The Focus Knob presses onto your existing knob, vinyl tape is included to ensure a snug fit. The focus knob is constructed of durable Red plastic.
Fits Nauticam Mirrorless Housings; micro-four thirds, Sony NEX series, Canon EOS M, etc.