Canon Battery Grip For 20D, 30D, 40D& 50D Price & Specs
The cannon battery grip uses advanced features of sealing material which allows it to prevent it from dust and better at resisting water. The BG-E2N battery grip provides more power to 30D or 40D. It also improves camera’s handling. The addition of vertical shutter with the shutter release, AF point selections, AV+/- function control, AF/FE lock.