How must the headlight project the beam of light generated by the bulbs of the lighting system?

Question

DentroTest · Accepted Answer

The headlight's optical assembly (reflector, lens and scattering pattern) collects the luminous flux of the bulb and projects it with a specific direction and characteristics, so that the illumination of the roadway is effective without dazzling other road users. Projecting the light in all directions would cause glare and loss of visibility. And artificially separating the rays that leave sideways from those that leave straight ahead does not follow any headlight design criterion.

How must the headlight project the beam of light generated by the bulbs of the lighting system?

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