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Hmmm. I wonder how Audi and BMW who have been using them for years go on?
 

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Needs headlight warmers :p

Does the frost compromise focus of the lighting much?
Exactly what I was thinking. And yet there is a heat sink at the back of the light???
 

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Without good heat sinking, the internal (junction) temperature of an LED rises, and this causes the characteristics to change. As the junction temperature of an LED is increased, the forward voltage, lumen output, and most significantly, the lifetime of the LED decrease significantly.
 

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Without good heat sinking, the internal (junction) temperature of an LED rises, and this causes the characteristics to change. As the junction temperature of an LED is increased, the forward voltage, lumen output, and most significantly, the lifetime of the LED decrease significantly.
It's a pity some of the heat can't be wasted in keeping the headlight warm.
 

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i seem to have this problem as well. I just took a 40 min drive in -4F here in Madison and my headlights are also frosting over inside. im gonna try bring this up with the guys i work at Mazda and gets some answers. Will keep posted
 

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Discussion Starter · #9 ·
Does the frost compromise focus of the lighting much?
Of course it does and also light output in general.

Both lights have the same problem. Frost melts if you can use HI-beams (more heat) for a longer period.
 

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I haven't noticed this issue with mine, but it hasn't gotten quite that cold in Colorado so far this winter. I'll have to keep an eye on it.
 

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The custom fog lights I ordered through the net turned out to be versatile. I didn't even expect them to be. They reminded me of the color changing light bulb Vont, which I equipped my house. Fog lights + high beam + flasher lights and all in one package - great. It also has a "breather," which is good in cold weather. Indeed, I have not yet been in a particularly harsh frost. A successful aluminum grille removes the light-emitting diodes' heat. The fog section provides good illumination of the roadside, and the high beam section gives a beam of light in front of the car. This is exactly what is missing when traveling long distances.
 
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