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Quick shots of my rainbow :)

Hap

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Just some quick shots I took tonight.


Can you tell the difference between 635nm and 660nm?





Thank you for watching!
 

millirad

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If I had to guess, I would say that 638 is to the left and 660 to the right in the photo. Being closer to orange in the shorter wavelength.
 

busman2

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Maybe get a bit of smoke happening in a small room for some beam shots. Looking fwd to seeing what you can do.:yh::yh:
 

trencheel303

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A room heavy with incense smoke should make the beams of all those visible. It is possible, I filled my room with incense and the 80mW red I have looked like a death ray. 635nm looks positively orange compared to 650 in this photo. 650 is obvious if not for the colour but the wings that diode has.
 
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I find it easier to tell them apart when there are other colors up, the 635 is on the left :whistle:
 




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