Feature: 1. MATTE FINISH: The interior of the metal camera lens hood is treated with a matte matte finish to minimize reflections and better ensure the effect of shading. 2. PREMIUM MATERIALS: 39mm metal camera lens hood adopts aluminum alloy to make bayonet, high mounting accuracy, not easy to deform and damage, sturdy and long service life. 3. LENS GUARD: 39mm camera lens hood prevents damage to the camera lens, avoiding fingers accidentally touching the lens in a way to shield the lens from wind, sand, rain and snow. 4. 39MM APERTURE SIZE: The aperture size of this metal camera lens hood is 39mm, please make sure to choose the appropriate hood according to the specific lens size. 5. FINE WORKMANSHIP: 39mm lens hood with fine workmanship, exquisite and delicate appearance, comfortable touch, exterior coating to improve rust resistance. Specification: Item Type: 39mm Lens Hood Material: Aluminum Alloy, ABS Caliber: Approx. 39mm/1.54in Front Cover Size: Approx. 49mm/1.93in Recommended Lens Focal Length: Approx. 25mm/0.98in or More. Package List: 1 x Lens Hood 1 x Instruction Manual Note: 1. In order to avoid dark corners, this hood is not suitable for ultra wide angle lenses below 18mm/0.71in focal length, it is recommended to use 25mm/0.98in ultra wide angle lenses to match this hood.2. Manual measurement please allow some error.