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dot laser module

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dot laser module Customers Reviews

  • Great laser

    posted by maro220

    Good price, small size, easy to tear apart. It's a perfect host for any 5mm laser diode, you can pick up any PHR, long open can red, or any diode you want, rip off the old 5mW diode and put your one there. focusing is good, acrilic lenses doesn't look to be AR coated, so even on a 405nm laser you would lose just a 20% of the power due to acrylic transmittance.
    Would be nice if Deal-Extreme offers glass lens for better performance, e.g. separate or together with the laser module.
    It would probably work out great for making a DIY laser and its cheaper than other ones such as Aixiz (especially with the free shipping - its much cheaper)
  • Excellent price

    posted by qsxdr1

    The lasers are very cheap, pretty bright (especially for the price), focusable, very small, well focused right out of the box, Focus can be changed with a screwdriver
    Build quality could be improved and brightness could be much better. Focus can be changed with a screwdriver
    Very good for the money but if you can afford it, buy extra laser modules especially if you do not know how to solder.
  • well build samples

    posted by TanzerBY

    1. very similar spots of all lasers 2. good quality3. power supply of 3V (however lasers have survived also 5V power supply)4. have a groove for an easy fixation in a tube or something like that
    1. Typical laser spot size at the distance of 150mm it is about 2-3mm x 4-6mm2. short cables, so i needed to solder them for extension
    In general leave a good impression at the acceptable quality/price ratio. Where quickly delivered.
  • Nice little laser

    posted by CountZero

    Small self contained unit at a good price. Easily integrated into your project.
    looks real good, Gives a quality impression. Easy to adjust the focus, perhaps to easy. If subjected to a lot of vibration I think a small dab of glue/paint/loctite/whatever will be very helpful in keeping it in place(don't get any on the lens though!!)
    Useful little laser module at a good price. Getting a few to play with wont break the bank.
  • Great laser

    posted by Jiancheng

    Easy to use. Easy to focus. Cheap. Used for many months. Small size. Runs cool.
    Used as part of a reflectivity sensor. Power output seems to be rather stable. For folks in singapore, the lasers' power rating is also the maximum permissable without a license. Item may be detained but will be released if you make a call to NEA. As a safety measure do not ship this item with the rest in your cart if you require the rest of the items more urgently.
    Great for DIY projects

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