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Old 24th January 2007, 14:02   #117 (permalink)
NickG
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Quote:
Originally Posted by Tony Fendall View Post
All those little prisims are built in to give correct beam cut off and to keep them legal.
If a manufacturer tried to sell a car with fog lamps with clear covers, they would not get the car homologated for sale in the UK.
What prisms? Sorry but this is total rubbish and you clearly either don't have a Civic or have never looked at it's fog lights.

As with most cars, the Civic's fog light light spread pattern is controlled by the rear reflector. The front glass is plain glass and the light distrubution pattern is totally unaffected by it. There are no "little prisims" (or prisms as it's correctly spelt) on a Civic's fog lights as you can easily see for yourself.

Quote:
Originally Posted by Tony Fendall View Post
If a manufacturer tried to sell a car with fog lamps with clear covers, they would not get the car homologated for sale in the UK.
What ARE you talking about? Nearly all new cars going back to the 90's have completely clear glass in their headlights and foglights. The front glass has no effect at bending or controlling the spead pattern. I have to go back 20 years to think of a time when we had a car where the front glass actually did any focussing.

Last edited by NickG; 24th January 2007 at 14:06.
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