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Re: [Healeys] Fog/Driving lLights

To: Jack Feldman <qualitas.jack@gmail.com>
Subject: Re: [Healeys] Fog/Driving lLights
From: Oudesluys <coudesluijs@chello.nl>
Date: Sat, 21 May 2011 09:00:13 +0200
To thicken the fog, fog and spot lights can both be yellow and clear 
(white if you like). If you have clear lenses you can also have yellow 
bulbs as was mandatory in France not even to long ago. They were of a 
lower wattage I believe. Lucas spot lights can usually be converted to 
fog lights and the other way around by changing the lenses. As Jack 
pointed out the spot lights have mainly plain unprofiled lenses with a 
parabolic reflector to direct the light straight ahead while fog lights 
have a profiled/ribbed lens to direct the light at a wide angle just in 
front of the car with a sharp, low cut off as not to direct light 
upwards because that will blind you in thick fog.

Modern (fog, spot, head) lights have all clear lenses as all focussing 
is done by the computer designed reflector.
Discharge lights are a different breed altogether.
Kees Oudesluijs
NL

[demime 1.01d removed an attachment of type text/x-vcard which had a name of 
coudesluijs.vcf]
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