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Originally Posted by Pierre Levegh
I have found that the bulb wattage acts as a guide only. There seems to be a huge difference in the amount of light by different 60W bulbs. The PIAA 60W bulbs are brighter than cheap 100W bulbs.
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True, if you are buying those "super white" or other blue-coated bulbs.
An old amateur photographers' trick is to buy cheap, very bright 500W halogen shop lights at Wal-Mart and then place a blue gel over the front to raise the color temperature from very yellow (around 3000K) to very white (around 6700K to 10,000K). Problem is, the blue gel drastically reduces luminosity – to less than half in many cases.
The same happens with blue-tinted automotive bulbs.
I have been looking for new 100W bulbs and am trying to get as close to 5000K as possible, since that is close to daylight and has no bluish coloring. I have a pair of SilverStars now that are wonderful on high beam (65W) but so-so on low beam. If they sold 100W they would be great.
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2008 E350 4matic / Black/Anthracite
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Gone but not Forgotten:
2001 E430 4matic, 206,xxx miles, Black/Charcoal
1995 E320, 252,xxx miles, Black/Grey
1989 260E, 223,00 miles, Black/Black
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