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5mw purple laser

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5mw purple laser Customers Reviews

  • really bad focus

    posted by tba03

    cheap, seems somewhat solid, nice color, my cats loves it way more than my mW green one, she actually play with this one
    i think i got a lemon, it'S not just badly focused i think there is something between the laser led and the glass that diffracts the beam too
    might be good, i may just have received a really bad one
  • Powerful, uneven spot, near-UV laser pointer

    posted by GeeJiiZet

    The purple wavelength 405 nm is exciting, many friends had never seen anything like it. And it is powerful, the page says it is 5 mW, the pointer itself reads "< 5 mW max", but measured it at 30 mW in optical laboratory.
    Since many materials show fluorescence with this wavelength, you can find some interesting effects. For example normal copy paper turns the laser spot blue, and shining it through lemonade shows the beam clearly in the liquid in greenish color. Very cool!
    If you want a fancy laser or want to demonstrate some interesting optical effects, this could be a very nice buy. Just be careful with your and others' eyes! (Just like with all laser products)

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