Fotasy 77mm Metal Screw-in Hood for 105 135mm 150mm 200mm 70-200mm 80-200mm Lens Metal lens hood provide extra strength to the lens Designed to prevent unwanted stray light from entering the lens. Ensures no problems with vignetting or motor functions. Added benefit of extra protection from accidental impact, improve image quality Compatible with Standard / Tele lens with a 77MM filter thread size, eg Nikkor 70-200mm F2..8 lenses