FOTGA Screw-in Mount 82mm Metal Wide Angle Lens Hood for Canon Nikon Pentax Sony 82 mm With screw mount can be attached to the 82mm lens or filter thread Metal Lens Hood are made of black anodized aluminum. It is suitable for Wide Angle Lenses This can lower the contrast of the image Enables you to shoot towards the light source, and being reflected inside the lens, without excessive flare It can be used with a filter and a snap-on lens cap while many lens hood didn't have such function