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  1. O

    Pointing from a distance

    I want to test how the laser looks from a distance. Can pointing directly on someone from 1Km with 200mw Green laser do any damage? (Lets say I mesured the distance with Google earth before trying). Same for 1w Blue laser?
    • opr
    • Thread
    • Replies: 23
    • Forum: General
  2. O

    A strange phenomenon

    A strange phenomenon I don’t understand: I have a green laser. To my understanding, it produces pure green 523nm light. There is a reddish plastic that while pointing the laser to it, converts the Green dot to be Yellow. I can’t understand where this yellow color comes from. I would expect Green...
    • opr
    • Thread
    • Replies: 10
    • Forum: General
  3. O

    Newbie question regarding o-like laser

    Hi all. I am a newbie and first I want to thank this forum for all the interesting posts I read here. After reading all kind of recommendation, I ordered a 200mw Green laser from O-Like. The main purpose of this laser is as an astronomy pointer. The main issue I face is that after 2 minutes...


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