Old 10-31-2010, 08:38 AM #1
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Default ? about my green laser.

Hi everyone. I recently bought a green laser to mount on my rifle, this is my first green laser I ever bought and was pretty surprised on how bright and visible the beam is. The laser says its a class IIIa 5 mw. I bought green laser pointer (a cheap one) off of ebay and it barely comes close to the one I have mounted on my rifle as far as brightness of spot or beam visability.

Im starting to wonder if the one I have on my rifle is a lot more than 5mw, I can clearly see a solid beam indoors with some lights on though when in my kitchen where the lighting is brightest I cant, and can actually feel a little warmth on my skin on sensitive parts of my arm and hand when I shine it on them.

Is this normal to be able to see a solid beam in a partially lit room and feel warmth from the beam?
I'm a little worried since I've been toying around with it without any eye protection though I haven't been shining it near my eyes I do have white walls and it almost hurts to look at the spot when a few feet away from them.

I did look at the green laser comparison on this page and it looks nearly identical to the 50 mw


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Old 10-31-2010, 08:48 AM #2
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Default Re: ? about my green laser.

What you have there good sir is a few more than 5mW. If you are complaining of warmth on your skin then I would be inclined to say it is atleast double 50mWs if not more. Correct me if I am wrong, however my 200mW red is only able to procure pain if focused quite well, whereas my 50mW Green will do nothing to anything but a balloon.
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Old 10-31-2010, 08:59 AM #3
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Default Re: ? about my green laser.

Quote:
Originally Posted by wannaburnstuff View Post
What you have there good sir is a few more than 5mW. If you are complaining of warmth on your skin then I would be inclined to say it is atleast double 50mWs if not more. Correct me if I am wrong, however my 200mW red is only able to procure pain if focused quite well, whereas my 50mW Green will do nothing to anything but a balloon.
So by double 50mw are you saying that it could be 100 from feeling warmth on my skin? I can't imagine the warmth I feel would be enough to pop a balloon though I know coloring a balloon black makes it easier to pop from what I have seen and read. I would be pretty terrified if it did indeed put out that much power as I would wonder what kind of damage I have done to my eyes using it unprotected in doors. I already have a cornea disease that makes my vision pretty messed up as it is.
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Old 10-31-2010, 09:06 AM #4
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Default Re: ? about my green laser.

If you can feel it, its probably in the neighborhood of at least 60-100mW. Seeing reflections off of walls at that power isn't going to hurt you though. You're probably OK, just avoid a direct hit into your eyes or a reflected specular hit (like off of silver, mirrors, etc) - at all costs.

The nonspecular reflections off of your white walls at 60-100mW probably is not an issue for your eyes.

A lot of these Chinese green lasers come in far overspec, they label them 5mW to get them into the country.
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Old 11-25-2010, 06:13 PM #5
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Default Re: ? about my green laser.

Same with me..I have 100mw Green and 30mw Green both are Pen Style..And with 30mw Laser I can burn but with 100mw i cannot...At first I think that is because of the focus but 30mw-(2xAAA 1.2 Rech) is more visible and brighter than 100mw-(2xAAA 1.5V)..Dont know WHY ???
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Old 11-29-2010, 08:50 PM #6
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Default Re: ? about my green laser.

It could be because NiMH batteries hold their voltage better under high drain applications, or it could be because the power ratings are off.
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