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638 or 650nm Whats more popular?

paul1598419

Well-known member
Joined
Sep 20, 2013
Messages
18,039
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Sorry to hear that, Richie. I don't allow the diodes to be exposed to the air for more time than is necessary. I have yet to lose one of the Mitsubishi's.
 



xenon4454

New member
Joined
Jan 15, 2020
Messages
3
Points
3
638 nm is more visible, more popular than 650nm. I would buy 638nm one to see bright beam. 650nm is common, the cheapest color of laser pointer and just dim like 405nm.
 




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