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Page General » General Discussion
Archived [ARCHIVED THREAD] - hows does blue light help to find blood?
Posted: 2/20/2006 2:57:16 PM EDT
i keep a blue LED light in my hunting bag, because i heard this, but how?

under the blue, or even UV light, blood looks black.. how is that "better"?
Link Posted: 2/20/2006 3:01:40 PM EDT
[#1]
Body Fluids are naturally flourescent. The blood will be black but will usually have a halo of flourescence from the rest of the fluid in blood.

Link Posted: 2/20/2006 3:03:35 PM EDT
[#2]
Quoted:
under the blue, or even UV light, blood looks black.. how is that "better"?


Because if you used a red light you wouldn't have ANY contrast.

Blue allows you to follow a blood trail while maintaining night vision.
Link Posted: 2/20/2006 3:03:43 PM EDT
[#3]
I think it's just UV, though....

Link Posted: 2/20/2006 6:56:59 PM EDT
[#4]
You mean black light, right?

Link Posted: 2/20/2006 7:01:54 PM EDT
[#5]
luminol

Archived [ARCHIVED THREAD] - hows does blue light help to find blood?
Page General » General Discussion
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