With the HLD-10 battery grip, you'll have twice the power and be able to shoot portraits even more easily. Perfectly integrated into the OM SYSTEM OM-1 design, the HLD-10 offers you IP53 weatherproofing and is freezeproof (down to -10°C). With its ergonomic design, it helps you balance long telephoto lenses and makes portrait shooting even more comfortable. With the HLD? 10, you can use an additional BLX? 1 battery to extend your shooting time up to 1040 images. The HLD-10 gives you all the camera controls you need to shoot reliably and comfortably in portrait mode. You can also attach the optional Grip Strap, GS-5 (available as an option) to better secure the camera when using a telephoto lens. The shoulder strap can also be attached at the same time.