Standard metal screw lens hood
【Product model】: 49mmHeader hood
【colour】: Matte black (Black)
【specification】: The diameter of the inner mouth is 49mm, and the height is about 20mm.
【texture】: All metal matte surface with reflective treatment
【Commodity condition】:(Screw mouthCylindrical lens with 18 focal lengths will have some vignetting,)
The hood is divided into metal, hard plastic, soft rubber and other textures, and has the following functions:
1. In the backlight, side light or flash photography, it can prevent the entry of non-imaging light and avoid fog.
2. It can avoid the surrounding scattered light from entering the lens when shooting 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 accidentally touching the surface of the lens. It can also shield the lens from wind, sand, rain and snow to some extent.