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Having bright blue headlamps makes it harder to see into the shadows even for the car’s driver, because it causes the eyes to be less dark-adapted. Older haloge
by jacobolus 9y ago
Having bright blue headlamps makes it harder to see into the shadows even for the car’s driver, because it causes the eyes to be less dark-adapted. Older halogen lamps work better in practice. The newer LED lamps only sound better in marketing materials, and based on junk metrics created by the industry itself.
- hydrogen18 9y agoYeah man, LEDs are just a scam created by the government. Candlesticks made from all natural paraffin wax are what you want!
- jacobolus 9y agoThe problem is not LEDs inherently, but the spectral power distribution and excessive intensity of the specific “white” LEDs on the market, whose light comes from a blue LED and not enough of which is absorbed by the yellow phosphor. If cars switched to LED headlamps with a CCT of 2700 K or the like, they’d be much less objectionable. I’ve taken to wearing orange safety glasses when I walk my dog at night and sometimes when I drive at night, so that the combination of street lamps + car headlamps doesn’t delay my sleep and cause bright-adaptation of my eyes. But I would really rather not be forced to take such dramatic and somewhat unpleasant countermeasures.