Block the side interference light source, reduce halo and enhance the color and saturation of the photo; In the backlight, side light or flash photography, it can prevent the entry of non-imaging light and avoid fog. It can prevent the scattered light from entering the lens when taking photos with forward light and side light. In lighting photography or night photography, it can prevent the surrounding interference light from entering the lens. It can prevent accidental damage to the lens, and it can also prevent from touching the surface of the lens by mistake. It can also shield the lens from wind, sand, rain and snow to a certain extent Model: ES-65B Lens Hood Cylinder Applicable lens: RF50mm F18 STM (Note: different lenses correspond to different hoods, please customer service for specific models to purchase) Caliber: 43mm Installation : bayonet Whether to support reverse deduction: support Material:ABS colour:Black Package Contents: 1 x Lens Hood Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.