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This question has probably been asked before, but I searched and didn't find an answer. Red-purple isn't a wavelength, but it seems to be visible with an RGB/RGBV as a purple-pink magenta color that doesn't seem to appear on the wavelength chart. It isn't >700nm and it's not <400nm, so is it...

Before we proceed to the review, I wrote you all a poem about whales and laser safety and peanuts that are painted to resemble those little seashells that get sold on beaches in Mexico by older men who wear distinctive yet silly hats, then I removed the parts about whales and peanuts and...

Ordered a set of three Challenger IIs. Requested they be set to 400mw. Wanted to see what the highest-output non-Class IV beams looked like. 400mw lasers are not safe, in any capacity. You need protective eyewear for them. If you are new to lasers please do not order a 400mw or even 10mw...

This is a review for a 488nm 100mw Sanwu Guardian laser pointer with a 3x beam expander. This is the first high-end pointer I've owned and I have to say that I am exceedingly impressed with it. Back in the 1990s I was a laser technician in the military, and we didn't have anything as cool as...

I lead a wearisome life so I usually avoid introductions because they tend to make people uncomfortable lol. I'm a disabled US Marine Corps veteran, although much more laid back than the norm. I mostly do spiritual junk that I won't bore you by describing. I repaired lasers in the military, that...