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Re: [Healeys] Fog/Driving lLights

To: Jack Feldman <qualitas.jack@gmail.com>, Oudesluys <coudesluijs@chello.nl>
Subject: Re: [Healeys] Fog/Driving lLights
From: <pennell@cox.net>
Date: Sun, 22 May 2011 19:29:15 -0400
Not to beat a dead horse but the yellow lenses are also clear.  As I used to 
tell my students clear means you can see through it, the opposite of opaque.   
To illustrate much stained glass is clear, but little of it is white - or 
yellow for that matter.  All driving an fog lenses are clear.  They may also be 
yellow or colorless.

Just had to get it off my chest
Keith

---- Oudesluys <coudesluijs@chello.nl> wrote: 
> 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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