Feature: 1. MATTE FINISH: The interior is matte finish, which can effectively reduce reflections, block unwanted incident light, effectively inhibit ghosting and glare, and improve shooting quality. 2. MATERIAL: This square hood is made of aluminum alloy bayonet, with high strength and durability, not easy to be deformed and damaged. And it has high mounting accuracy and can be firmly mounted on the lens. 3. PROTECTIVE FUNCTION: It also prevents the lens from accidental damage, avoids fingers touching the lens by mistake, and extends the life of the lens. In some cases, it can also shield the lens from wind, sand, rain and snow. 4. CALIBER: The caliber size of this square lens hood is 58MM, please make sure to choose the appropriate hood according to the specific lens size to ensure perfect compatibility. 5. WIDELY USED: It is an ideal photography accessory which is suitable for a variety of shooting scenarios, helping photographers to get clearer photos and better photo effects. Specification: Item Type: Lens Hood Material: Aluminum Alloy, ABS Caliber: 58mm / 2.3in Front Cover Size: 49mm / 1.9in Recommended Wide Angle Lens Focal Length: 25mm / 1in Or More Color: Silver. Package List: 1 x Lens Hood1 x Instruction Manual Note: In order to avoid vignetting, this hood is not suitable for ultra wide angle lenses below 18MM focal length. It is recommended to use 25MM ultra wide angle lens to match this hood.