This product is compatible with Nikon D700 D300 D200 D3 D2 F5 Kodak Fuji & 10 Pin System. The Kaavie CR-12 Series Remote Switch is a compact wired remote switch with a cable which replicates all functions of the camera"s shutter release button. Handy for taking pictures of subjects that are difficult to approach, or to minimize vibration for close-ups. How to use: Press the button half-way to autofocus. Depress the button fully to trigger the shutter. Press the button and slide it forward to lock for longer exposures.