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I am looking to buy my first 445nm laser. I was looking at some of the lasers on lazerer and was wondering about the different powers. There is one 100mW for 68€ and a 500mW for 76€. My question is, why there is such a small pricedifference between these two, while the power is five times as...

Hi! I recently recieved a red 5mW laser from an ebay seller which had a defective lens. I took the laser apart and did some adjustments and it's now working fine. I made a new host from some tubing and a switch I had at home. However, the way the host is made it's not that easy to change the...

I just recieved a 5mW 650nm laser pointer that I ordered from ebay. When I put soe batteries in it a tried it out I realised something was wrong. The divergence is horrible. The "dot" is in the shape of an eye, with a diameter that is 2cm at about half a meter. What I am wondering is if there...

I've currently got one 405nm <5mW laser (which is suspect is quite overspecced) and a 532 <5mW. I am looking to buy a pair of goggles to protect me, mainly wavelength in this spectrum. However I don't plan on buying anything stronger than 50mW at most. I need some advice on which to buy, that...

A little while back I bought a laser from ebay that was shipped from Hong Kong. It was supposed to be <5mW 405nm, however I have no way of measuring the power. Today I got a green <5mW laser from a company with good reputaion in sweden and I noticed some diefference in the intesity. My violet...