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Didn't see it posted anywhere... 5mW 405nm Violet Purple Blue-Ray Blue Laser Pointer Pen - eBay (item 220655229771 end time Sep-15-10 04:25:55 PDT) Only $3.36 with Free Shipping. Thought these were going for $7 to $10 recently. I wonder if these will be overspec ones as well.

Lately I have been trying to find a suitable hand-held laser which is more powerful than my 5mW pen :D, but also somewhat safe from 'reflections' off objects and walls (my walls are White in Color). Honestly, I have never seen a 65mW green laser's dot before and would ask how dazzling it...

First, I was using the 5mW green pointer with higher capacity batteries than the stock AAAs. I used AA and up to F batteries (long D). So, I was testing the pointer with the F batteries for about 10 seconds (they Did Not die during operation while output was similar to normal), and when I hooked...

The title basically said it, Let's say I had a 5mW green laser pen and it obviously uses AAA alkaline batteries. If I were to replace the batteries with AAA lithium energizer primary batteries, wouldn't the current from the lithium batteries be greater than alkaline batteries (as in would the...

Let's say in a 5mW green laser pen (the cheap dx pen style, but from amazon and is more sturdy) you hold the button... for a few minutes. I held it running 7-8 minutes non-stop, but it did not overheat at all or even show any signs of failing (besides the fact that the batteries were getting run...

Just wondering, if I were to stick an IR filter onto my laser aperture, could it just be stuck flat on top? Wouldn't it reflect some of the IR and green right back down and hurt the pump diode? I'm not using a reflector IR filter, more like the absorption (blue tint) filter. Should it be on an...

I just noticed that the aperture opening was Large in the pics (DX pen lasers)...like they drilled it larger or something lol. The same model (one i have) has an opening that is noticeably smaller. Why is this? Different manufacturers?, but why the same exact laser?  ;)

I received a replacement 5mW green laser pen  :) and strangely... i believe it looks somewhat significantly brighter than the first. :o Maybe it's just because of full batteries, or I've forgotten exactly how bright the dot looked. When pointed at white walls, it is Painfully bright, and when...

I was playing around with my green laser and noticed that the green dot wasn't exactly a single dot of green. It had around 2-3 uncollimated green rings around the center dot... Is this normal? Mode hopping? Something out of place?  Doesn't seem like much of a problem, but I'd like to know if...