When taking photos with backlight or side light, no picture light can be prevented from entering and fog is avoided In forward and side light photography, stray light from the environment can be prevented from entering the lens This lens shade made of durable ABS effectively blocks stray light and covers the light shielding with internal extinction treatments Can prevent accidental damage to the lens and also prevent fingers from accidentally touching the surfaces of the lens The ET77 lens protector is designed to effectively block unwanted light and reduce unwanted light, thus improving your photography