Page 29 - Catalog auto parts lighting technology BOSCH for cars and trucks

Auto Parts / Auxiliary lamps – Fog lamps | A27

Information

A total of two additional front fog lamps are permissible on each Free-form technology
vehicle. These must be capable of being switched on and off Using computer-aided calculation methods (CAL technology),
separately from the upper and lower-beam headlamps. They may reflectors are designed to scatter the light directly and at the same
only be switched on together with the lower-beam headlamps. time produce a sharply defined light-dark cutoff. The design
Adjustment is as for the main headlamps. Adjustment dimensions of the bulb surround ensures an extremely high light volume with
and statutory regulations must always be adhered to. maximum diffusion.
There are three different optical principles for additional fog lamps: PES fog lamps
In fog, this technology ensures a minimum of dazzle for the driver
Paraboloid from his/her own lamps. The lens helps to ensure the best-possible
A parabolic reflector reflects paraxial light (such as upper beam), light-dark cutoff contrast on the road.
which is drawn out into a horizontal band by the lens. A screen
restricts the upward radiation of light.

2010 | 2011 Bosch Automotive Aftermarket / Auto Parts

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