1. In the backlight, side light or flash photography, it can prevent the entry of non-imaging light and avoid fog. 2. It can prevent the scattered light from entering the lens when taking photos with forward light and side light. 3. In lighting photography or night photography, it can prevent the surrounding interference light from entering the lens. 4. It can prevent accidental damage to the lens, and it can also prevent fingers 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 5. The use of the lens hood does not affect the use of various filters in front of the lens. Block the side interference light source, reduce halo and enhance the color and saturation of the photo Model: EW-78F Lens Hood Applicable lens: For Canon RF24-240mm F4-6.3 IS USM Lens Hood Caliber: 72mm Installation method: bayonet can be reversed Whether to support reverse deduction: support Colour: black Material: ABS Package Contents: 1 x EW-78F Lens Hood Only the above package content, other products are not included. Note: Light shooting 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.