Xit 404 Focus & Zoom Knob Kit: Sea & Sea SLR Housings with Handle Spacer
The Sea & Sea 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. A spacer and hardware are included to give you more room to use the focus knob, for larger hands. The focus knob and spacer are constructed of durable Red plastic.