Nikon MB-D15 Multi-battery grip for Nikon D7100 digital SLR
A must have for D7100 enthusiasts, this battery grip from Nikon gives you extended shooting time plus increased comfort and balance as you snap photos. It attaches to the bottom of your D7100, providing a convenient grip when holding the camera in the vertical position. It offers a shutter release button, front and rear command dials, and a joystick control for setting focus points. The magnesium frame and rubberized surfaces match your D7100 perfectly and give it a more professional look and feel.