• The lens hood can prevent the intrusion of non-image light in backlight, side light, flash shooting, and prevent misting • It can also prevent accidental damage to the lens and avoid finger touchprint on the surface of the lens, but it can also block sand, rain and snow • Designed to fit tightly on the lens. Lens hood allows you to use UV lenses and lens caps at the same time • Comes with matching lens cap to better protect your lens • Suitable for 50mm 1.8II lens, 50mm 1.8D lens, 50mm 1.4D lens and other 52mm aperture lenses