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Comentado en los Estados Unidos el 13 de junio de 2024
Ordered the 2-pack of the green dot lasers. They worked well in testing, but after being on for about 30 min, the dot completely warped into an arc that I can’t recover from - even with twisting the focus/lens. Other reviews said they ran them all night and they worked great, but the two I have both lost their dot after a short amount of time. They’re running on 5v. The lasers and boards were both warm to the touch, but didn’t feel hot enough to melt anything internally. I’m not sure what’s going on with them.They did not return to their dot shapes after fully cooling down, but retained the obvious lensing issues in the pictures. One shows the dot how it was initially, the other shows one of the lasers lensing a bit after 30 min, and the other shows the second lasers complete failure.
Splint
Comentado en Australia el 7 de abril de 2024
I was happy with this but like all lasers in this price range it is not powerful enough to be see in an outdoor setting during the daytime. Apart from that it is good.
Trace
Comentado en los Estados Unidos el 18 de abril de 2024
Worked good as a replacement for my unit but the beam just doesnt seem to have the intensity of the original.
Customer
Comentado en los Estados Unidos el 1 de noviembre de 2023
No se pudo cargar el contenido.
Ockham
Comentado en los Estados Unidos el 8 de enero de 2023
Not much to dislike here. A bright green laser line generator that makes a sharp straight line. Very useful for a number of applications, and the price is hard to beat. I am using mine for vehicle alignment cues in a particularly tight parking slot in a garage.I added a fined heat sink and a regulated power supply running a little under maximum output, to extend the laser life. I believe they should be good for the rated "10,000 hour" life under these conditions. Don't expect to run these without a heat-sink and at full power and still get the 10,000 hours. That's not the fault of the laser, that's just electronic common sense. Just like you must heat-sink a power transistor, you must also heat-sink a laser diode running at this output, because it is a solid-state semiconductor device pumping a lot of power into a very small space.Faulting this particular laser as if the heat-sink requirement is a "problem" is like complaining because water keeps running downhill.five stars
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