Phottix Battery Grip for Sony A550/A580/ A500 with the same functions as Sony’s VG-B50AM Grip. The Vertical Grip/Battery Holder can hold up to two NP-FM500H Lithium-Ion batteries. It is equipped with a shutter release, main
command dial, AE lock, AV Control, and AF point selection controls for easier vertical shooting.
- Battery holder for one or two NP-FM500H
- Instruction Manual