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That's probably just a lifted diode..If you very carefully drop a little solder on that point to reconnect it to the board, it might work...if that's the only problem and the trace isn't too damaged. Just be careful not to use too hot an iron, or you'll burn out the diode. If your iron doesn't...

Hmm...this still seems like almost too low of a price...their site doesn't say where they're located, and you have to ask them for an IR filter? Maybe I'm stupid but why would anyone want one of these, especially at 400mw, without an IR filter?:wtf:

I read the posts after this and the only problem that I have with this is I live in a heavily populated area. There are a ton of lights around which would mess with a reading, whereas being out in the middle of nowhere, that would be a great area to test it. Maybe I can find a friend to drive...

Yes, agreed, but I'm serious here......

So that's about 5.6 miles. But that still doesn't answer just how far away we can see that light from the source. The video would just confirm that its visible from that distance. Traveling in the same direction as the beam, further away from the source seems impractical and quite possibly...

Yea, the maximum distance from which the source of light can be observed. I figure spot termination can depend on more than a few factors; your eyesight, conditions, etc. LOL, yeah I kinda thought that they might do that.

I've said this before on other forums about Jack and I'll say it again, I just got a 124mw laser from him today. This guy stands by his product, has great customer service, great prices, fast, no-hassle shipping, and to my knowledge, and going by the massive amount of positive reviews vs...

Ok, so first off hello everybody! I'm new to this forum, but certainly not new to lasers. Just got my 124mw green laser and it's bitchin. One thing I've always wondered though. How do manufacturers calculate the "range" of a laser beam? Now I understand about beam divergence, so I'm wondering...