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30mw laser Customers Reviews

  • good and powerful, but...

    posted by newtonsoliveira

    very powerful, Im using it to tes fiber optics and any leak in the way is easy to see.the laser part is very well fixed and aparently strong
    Is a cheap(in brazilian standards) and powerful laser not ready to use, so is necessary to have some knowledge.I´m happy to have it. lets see the if time tell me something diferent.
    If you need a green laser it is a good one, but it leads to jail if not well used in some countries.
  • Nice laser projector

    posted by torben1974

    Very powerful Little laser projector. Works perfect, and is able to create a magnificent wall of light. Able to illuminate a big wall even at great distance.Very fascinating to Watch!
    Children love it, but make sure they are not able to look directly into laser!
    Fine Little product at a very reasonable Price. Buy it to add "wow" effect to your parties...
  • 404nM laser module

    posted by lasermanathome

    Have ordered 3 of these lasers, the types I received were different in construction.Thad did not border me.The output was about the prommised value.The LD itselve of the 3 pieces seems the same.beamquality is , as usual with these type of lasers, not near TEM 00 but that was to be expected.
    The warning written under con respected, these lasers are very good and for research very usefull.The quality is althougt the 3 lasers are different, all 3 good.The inverter gives the higher voltage (the LD needs about 4-41/2 V) and the correct current but dont try to pull much more watts out of it, the inverter is propably not sufficient to deliver more than 250-300 mW.
    These lasers are not suitable for replacement the LD for a 455nM LD (1-1.7 Watt), the tresholdcurrent is already too low for running these extremely dangerous LD'sThe optics however are suitable for these LD'sBut when try to make these change , buy safetyglasses first.I myselve are pleased with this buy, but give a strong advise to not laserexperts, buy the green ones for the same price wearing suitable eye -protection.DO NOT make laserpoiters with these ones, the result will be disapoited and the danger will be underestimeted.


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