How can this be?

Timothybil · Sep 29, 2008

I was just wandering around the darkened house with my SL Twin Task 2L so I didn't have to turn the lights on. I was using the LEDs since I didn't want to run down my almost dead cells using the incan (I use this as my vampire light.) I noticed that while the center hotspot had a definite bluish tint, the spill around it was an almost perfect white! Is this an optical illusion or something, or I am I just seeing things?

Marduke · Sep 29, 2008

You can see that sort of stuff all the time with 5mm's

Sgt. LED · Sep 29, 2008

Yep look at a pic of the Fenix E01's hotspot.

Rossymeister · Sep 29, 2008

Regular Nichia white LEDs have a spike in the blue spectral area, so they appear bluish if directed at a white target

More Found Here

kramer5150 · Sep 29, 2008

its common to all nichia CS/GS emitters... blue-ish hot-spot with warm/yellow flood. I use a hole punch and punch a round dot out of masking tape. Stick it onto my Inova X1-V2 lens and it diffuses the blue center spot and blends the colors into one. Very nice, although it soaks up some lumens.

How can this be?

Timothybil

Flashlight Enthusiast

Marduke

Flashaholic

Sgt. LED

Flashaholic

Rossymeister

Enlightened

kramer5150

Flashaholic

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