Omax Lens Hood for Nikon af-p dx Nikon 70-300mm f/4.5-6.3g ed vr, Replaces Nikon hb-77 Lens Hood this hood is primarily designed to prevent unwanted stray light from entering the lens by extending and shading the end of the lens. it replaces nikon hb-77 lens hood it fits: nikon af-p dx nikkor 70-300mm f/4.5-6.3g ed vr lens and nikon af-p dx nikkor 70-300mm f/4.5-6.3g ed lens.