vg-b50am compatible battery grip for sony dslr-a500 a550 alpha 500 550 digital cameras
vertical battery grip for the sony alpha dslr-a500 amp a550 - functions as both a high capacity battery pack and a vertical grip . it can hold one or two np-fm500h li-ion batteries doubling the battery capacity of your camera . a vertical shutter release button on the grip makes shooting with the camera in a vertical position much easier . this professional edition comes with several functional buttons . it provides additional shutter release command dial ae lock and exposure buttons for easier vertical shooting . tripod screw mount . same functions as the original battery grip sony vg-b50am specifications type battery grip for sony alpha dslr-a500 amp a550 battery compatible 2x np-fm500h batteries power switch camera s power switch dimensions 132.5 w x111 .5 h x81 .5 d mm weight approx. 190g . without batteries and battery magazine