Canon Battery Grip BG-E7

The Canon BG-E7 Battery Grip 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.
Includes Vertical Shutter Release and Mode Wheel.