2 data points:
My 2022 GMC Canyon has really bright factory headlights that are terrific for driving. Nobody flashes me. If I shine them against the garage door, they have a really crisp horizontal line at the top of the focus area.
I upgraded the 4-headlights on my C5500 motorhome after watching a YouTube video that compared a bunch of aftermarket lights. The Phillips lights had the same crisp top focus boundary. Nobody flashes me. Most of the cheap stuff had lousy focus with light going everywhere.
Eric
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"Everybody has a plan until they get punched in the mouth" noted philosopher Mike Tyson
Life begins at the end of your comfort zone.
“The mind, once stretched by a new idea, never returns to its original dimensions.”
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