Item Type: Lens Hood Material: ABS, Glass Weight: 53g / 1.9oz Applicable Lens: For RF50mm f1.8 STM Lens Filter Diameter: Approx. 4.3cm / 1.7in Package List 1 x Hood 1 x Lens Cap 1 x Lanyard 1 x Filter 1 x Filter Storage Case 1Shading Effect: ES 65B lens hood internal thread extinction design, more to ensure the effect of shading, blocking unwanted incident light, inhibit the production of ghosting and glare. 2Humanized Design: Even after installing the hood, it does not affect the normal use of the original front cover of the lens. 3UV Filter: HD filter to prevent damage to the lens, to avoid fingers accidentally touching the lens in a way to shield the lens from wind, sand, rain and snow. 4Prevent UV Radiation: The MCUV filter serves to protect against UV radiation, attenuating the blue tint in the image caused by UV rays, ensuring clarity and color. 5Double Sided 18 Layer Optical Coating: Effectively reduces the reflection on the filter surface, reduces the glare and ghost caused by the reflection of external light from a long exposure time, and ensures a good picture quality.