![]() But, a projector headlight also contains a lens which act as a magnifying glass, thus help in increasing the brightness of the light beam. These also contain a bulb in a steel bowl with mirrors to act as reflectors. Projector headlights are similar to reflector headlights. Slowly with time these became popular in all type of vehicles. When these were introduced in 1980s they were too costly and were only used in some luxury vehicles. This is new invention in world of headlight technology. Projector headlights are deeper and take more space within the vehicle. Thus in budget friendly cars, manufacturers use reflector headlights as they're less expensive. Nowadays mostly base version of the cars consists of reflector headlights but there are some advantages to it that most manufactures are sticking on using them. Thus it was no longer necessary for the lens and the headlight housing to be sealed together, this led for the bulbs to be easily removed or replaced. With improvements of technology, in the 1980s a new type of reflector headlights were introduced that used mirrors inside the headlight housing itself to guide the beams. This is also known as a sealed-beam headlight but in this combination the casing cannot be removed to replace a burnt-out bulb. ![]() In previous reflector headlights, the front lens of the headlight determined the shape of the light beam. Mirrors are placed in the bowl to reflect the light on the road. It consists of a bulb encased in steel bowl. These headlights are being used in vehicles since the electric headlights have been invented. Reflector headlights are old style lights found in old cars or in the base model of the car whereas Projector headlights is a new technology which is not yet found in every car With advancement of technology cars started coming with two types of headlights :- projector and reflector. A few months back, cars were designed with same old styled headlight housing.
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