What's the use of car headlights's hood?

1, car headlights hood is to prevent the light from diverging and let the light gather better. The light of automobile light bulb is mainly reflected by the reflective cup installed inside. If there is no hood, the light concentration is poor and the reflective effect is reduced.

2. When shooting in front light and side light, it can prevent the surrounding scattered light from entering the lens.

3. car headlights hood can prevent cars from dazzling when they meet at night.

4. It can prevent the lens from accidental damage, prevent fingers from touching the lens surface by mistake, and shield the lens from wind, sand, rain and snow to a certain extent.

5, when lighting photography or night photography, can avoid the surrounding interference light into the lens.

Car headlights, also known as car headlights and LED daytime running lights, as the eyes of a car, is not only related to the external image of a car owner, but also closely related to safe driving at night or in bad weather. The use and maintenance of car lights can not be ignored.

Low beam mask:

A hood is installed under the low beam filament to block the light from oncoming vehicles to the driver, and its edge shape can make the light beam shine on the road surface to form a cut-off line.

Only the part below 1.25m is illuminated on the half side of oncoming traffic on the road to prevent the driver of oncoming traffic from being dazzled; The space far enough (more than 100m) and high enough (more than 2m) in front of the vehicle is illuminated with high brightness, which ensures good front lighting of the vehicle.

The above contents refer to Baidu Encyclopedia-Car Lights.