Adorama Wireless & Wired Radio Remote Release for Nikon D300, D200, D100 (battery grip required), D3, D2X, D2Xs, D2H, D2Hs, D1X, D1H, D1, Nikon F6, F5, F90X, F100, Fujifilm S3 Pro, S5 Pro; Kodak DCS Pro Continuous Shooting Mode Bulb Shutter Release Mode Autofocus: Press shutter release button halfway to focus on the subject