The Canon Battery Grip BG-E2N features a new sealing material around the battery compartment to better resist water and dust. It adds a vertical shutter release, and is compatible with up to two BP-511, BP-511A, BP-512, BP-514 Lithium-ion battery packs, or six AA batteries with included battery holder BMG-E2. Made just for the EOS 20-D Digital SLR, EOS 30-D & EOS 40-D Digital SLR Cameras , the Battery Grip BG-E2N holds up to 2 Battery Packs or 6 AA Batteries to offer double-length (more…)