EzFoto Lens Hood for NIKON 1 NIKKOR 10-30mm f/3.5-5.6 VR Lens, replaces NIKON HB-N101 Replacement for NIKON HB-N101 Lens Hood, for NIKON 1 NIKKOR 10-30mm f/3.5-5.6 VR Lens The Professional Lens Hood is primarily designed to prevent unwanted stray light from entering the lens. Thanks to its bayonet mount design makes it firmly on the lens, also you can use a filter or lens cap with the hood on. This Lens Hood not only prevents glare and lens flare, but also provides an extra protection to your lens.