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hey yall, recently ive been looking to buy a new laser preferably 445nm. i normally buy from o-like and as i was browsing i came across this: New Powerful 2W 450nm blue laser flashlight/waterproof/adjustabl [OL-BP-2W] - $196.99 : Zen Cart!, The Art of E-commerce ive done some searching on the...

hey everyone, of course ive been into the laser hobby for some time now and i feel like a noob asking about this. but i looked and searched the forum quite a bit before posting this to make sure it wasnt already discussed, ive found nothing... anyway, i was messing around with an 8 LED / 5mw...

hey people. i was just looking around the internet for some facts about the eye and i found this: Eye Tests. its nothing much, but i just thought it might be something good to post here on the forums since im pretty sure we all care about our eyes :beer: Edit: heres another one...

well, i was just fiddling with my 400mw 532nm o-like crown pointing it to the sky when suddenly the color changed from the usual bright green beam to a bright blue \ green beam! it was still bright, but the color was noticeably different and i would make a rough estimate of the wavelength...