1. Working in the backlight side light or flash photography prevents the non-light to avoid the mist.

2. When photographed at the status of light and side light, the scattered light can be avoided.

3. When you take a flash photography or night photography, using lens hood can prevent the light from entering the lens around.

4. Prevents accidental damage to the lens, and also avoids that your fingers touch the lens surface. Besides, it can shield the sand, rain, and snow.

5. The lens hood is widely used for backlighting photography, and generally, it can avoid glare. However, glare may still occur if the light source is close to the distance, so you can use your hand to shade the hood at the side of the light source. Glare should be removed from the viewfinder.

6.