Features: Reduces image contrast. Allows shooting towards a light source and reflection inside the lens without excessive glare. Prevents light from entering and reflecting inside the lens at extreme angles. Enables use of lens caps and filters with the hood attached. Can be reversed for space-saving when not needed. Specifications: [Model]: Metal Snap-on Lens Hood [Application]: Lenses with internal threads [Color]: Black/Silver [Texture]: All-metal matte finish [Mounting Method]: Screw-on (mounted on the lens like a UV filter or mounted on a UV filter/CPL polarizer) Reverse Mounting: Not supported Color Options: Black / Silver Black Caliber: 37/40.5/43/46/49/52 mm Silver Caliber: 37/40.5/43/46/49/52 mm Note: (Camera, lens and other items are not included) Due to lighting effects and photography angles, there will be some tolerances in the product, please understand. Please allow 0-1cm error due to manual measurement. Package Includes: 1 x Lens Hood