The Master Universal 72mm Lens Hood is a versatile lens hood that is designed to fit most lenses with a 52mm filter thread size. It helps to prevent unwanted stray light from entering the lens and causing lens flare or reducing image contrast. The lens hood is particularly useful in bright lighting conditions or when shooting towards a light source. The Master Universal 72mm Lens Hood is made with a screw-in design, which means it screws directly onto the front of the lens. This ensures a secure fit and prevents the hood from accidentally falling off during use. Its petal-shaped design helps to maximize the effectiveness of shading the lens from unwanted light without causing any vignetting in the image. Product Features in Detail Master Universal 72mm Lens Hood The Master Universal 72mm Lens Hood is specially designed for the wide focal lengths required by todays digital SLR cameras. Its petal shape design is instrumental in helping to reduce glare while minimizing the potential for vignetting of your image. The unique two-piece design of this hood allows you to quickly and easily reverse the hood for storage. The mounting collar accepts your standard lens cap for the ultimate in protection.