Satechi MA-B (118 inch) High Quality Remote Shutter for for Nikon D700, D300, D300S, D200, D3S, D3, D2H, D2Hs, D2x, D1, D1H, D1x, F100, F6, F5, F90X and F90 fully compatible with Nikon MC-30 Works with Nikon D700, D300, D300S, D200, D3S, D3, D2H, D2Hs, D2x, D1, D1H, D1x, F100, F6, F5, F90X and F90 Two-stage release button - halfway pressing for auto focus and complete pressing for shutter release Button locking for bulb exposure by pressing completely and sliding forward - easy for long exposure and continuous shooting Support synchro-cable to control 2 cameras simultaneously 100% compatible with NIKON MC-30