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Rothrandir said:
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milkyspit said:
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Rothrandir said:
not to completely discourage you, but 5mm leds tend to be bluish/violetish and with crappy beams in general. some are better of course, but i hope you aren't expecting sunlight...
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...In my experience the 5mm lights as a group tend toward blue...
...I have noticed, though, that the more recent, brighter Nichia 5mm LEDs do indeed seem more blue than their predecessors...
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err...care to look at those points? /ubbthreads/images/graemlins/wink.gif
my point wasn't necessarily that luxeons tend to be whiter than 5mm's (though i have found this to be true in some circumstances, especially 5watters (as you know, this depends completely on the led)).
my point was that they do tend to shift towards the bluish part of the spectrum...which you seem to have noticed yourself.
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My writing certainly wasn't 100% clear, was it? /ubbthreads/images/graemlins/icon23.gif What I meant was that all 5mm LEDs seem to have a natural inclination to move toward blue, but the older samples I've seen didn't tend to move very far at all in that direction -- just a pinch! The more recent samples, though, seem to have a pronounced increase in bluishness (did I invent a word?) despite their increased brightness in general.
I still think -- again, only based on the lights I personally own -- that Luxeons as a group exhibit more color shift than do the older Nichias. This certainly seems true for 1W emitters. For the 5W, my SNII looks pretty darned white! My Blaster VI shows noticeable shifting toward green/yellow, although that light as a whole is probably my absolute favorite flashlight even with the color shifting.
I actually started a separate topic regarding peoples' experiences with color purity for various LED flashlights. You might want to offer your choices if you have a moment. That topic is
right here.