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Here is a laser that was given to me by a German Mechanical engineer. It states Klass 3B, not sure about that... I have no way of testing its power. Beam and dot seem much weaker than a chinese 200mw red i got. However i tested outside at night and could see the dot 1Km away. The dot seems...

Hi, i can't seem to find a thread about comparing red diodes, i would be ready to start building if i could find an advantage on a specific sled. Some diodes have been reported to range from 635-650 making them brighter, others live longer and others give better beam. if this exists somewhere...

I have a little raw plan of how to build my first laser, but i need help. I am planning to buy a 405nm PHR-803T in module, and a Rkcstr's Microdrive or DrLava's Flexdrive. Il use a housing of another laser or a torch. what batteries will i need?

One of the cheapest and worthy bargains for a green laser. 200mw Green 59.99$ from DX free shipping uses common AA batteries beam is amazing for 59.99, no regrets havent metered it, sure is lower than 200mw, but it burns instantly personally been using it for 3 months and is tip-top check it...

I am willing to trade my 200mw red laser, im open to hear all offers. Here is a video of the laser, its burning capabilities and beam visibility. here is the link, if you want to view in HD http://www.youtube.com/watch?v=HqXTiauP8GY

Hi im new with lasers, i own 2-3, and was wondering if someone can point out where laser parts can be found. Cd/dvd drivers are quite obvious, scanners i think might have diodes in as well. If someone can grow the list it would be wonderful. Thank u in advance