Canon BG-E7 (BGE7) Battery Grip for EOS 7D

The Battery Grip BG-E7 holds up to two LP-E6 battery packs or six AA Batteries to offer double-length shooting time. The vertical shutter release makes shooting with the camera in a vertical position just as comfortable as shooting horizontally.

The following functions are available in the vertical shooting position. Shutter-Release, Main Dial, AF Point Selection, AF/FE Lock, Index, Aperture, Exposure Compensation Button, Reduce Button