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laser 405nm 5mw

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laser 405nm 5mw Customers Reviews

  • Fun and useless

    posted by wtarr

    Stabler and easier to use than the naked module. The beam is bright enough to be visible at night, despite the wavelength to which the eye is not much sensible. Comes with its AAA battery, looks clean.
    I tried it with the gypsophilia cap that came with my green pointer. It looks much better, you can plot a large number of stars on a ceiling or on books and various stuff that fluoresce in many different colors. I should have bought it in this version.
    Nice toy, but buy it with a gypsophila cap if available. It's as much useless but offer additional possibilities.
  • Nice laser

    posted by hongnhan

    the laser is very good for exciting the flourescence dye. The light is powerfull. But beware when using because it's very dangerous for your eyes. Only use with your mind. Beauty outlook. Best product.
    Nothing except it take a month to get to me. Need to be faster than that. I had thought my package was gone away.
    It's very good for scientific purpose. It's was cheap and power full. It's also stable when i fed an 5hz square pulse into it. And it operate 20000 time on/off but it still alive.
  • Awesome for that price

    posted by tizbac

    - Very Cheap- It's solid and well built
    There are some things to explain to who buy this laserQ. It is less bright than a red laser, wtf ?!?A.It may seem to be less bright even than a red one, this is not cause it is less powerful, it's just that most of energy is UV so it's not visible 100%, if you shine it on a fluorescent surface that converts invisible energy to visible , you'll see that it is brighter than a red one , and even a green one, cause UV has more energyQ. I can't find a f****g violet laser that is properly focusedA. It is focused , it's just that cause of chromatic dispersion of your eye lens , you would need to focus farther than infinity, which is not possible unless you have some patology or you wear glasses meant to correct myopia even if you are not affected , but that may cause you headaches so avoid doing that.Also , avoid pointing it at your skin ,i'm not sure but it may cause sun burns , so just avoid that , there'snt nothing special on skin with this laser
    Really buy it if you don't have a laser of this wavelength , it is a very strange kind of laser, if you shine it on a wall it seems a simple led , but if you shine it on some surface that reacts to uv you get a LOT of light , also some substances that seems to not react under a black lamp, may react under this laser exposure , cause it's a lot brighterCan be used to check money too, but it is pretty overkill :D
  • Does what it says on the tin.

    posted by foxtrotfire

    -Nice price-Good quality-Quite powerful for a 5mW laser-Comes with batteries
    Very fun laser that doesn't have a lot of uses except for amazing people by drawing on glow in the dark objects. I got some glow in the dark paint and painted a large piece of cardboard with it. The effect is awesome in a dark room. You can also ignite matches if you use a lens to focus the beam. Also, some people said the beam is not focused enough. It is focused enough, but your eyes trick you into seeing a larger dot (this happens with all violet light at a distance).
    If you ever wanted a violet laser, this is the one you should get.
  • useful for presentations

    posted by acokeaday

    cheap and easy to use. violet is seldom found around, thus making your laser color unique. though not as strong as Red laser based on color spectrum.
    get if you need a cheap laser and want to be unique. Helps out a lot in presentations and being different in color allow others to spot where you are pointing.
    will not purchase again, will go for something of better quality.

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