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ArcticMyst Security by Avery

Focus question

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May 9, 2011
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I just received my 150mW transformable green laser/adjustable [OLV6100] - $108.00 : Welcome to O-Like.com, Your source for laser products

Is seems very bright and powerful enough I was able to pop a balloon from about 10 feet with it but I am unsure about one thing.

The focus on this laser is adjustable but it seems that tightened all the way down it is the most collimated it will get and that adjusting it the other way only makes it less focused, I was sort of expecting what you see with flashlights or cameras where focus is uses to determine how far away the focal point is. So my question is whether this is normal or if the focus is faulty some how?
 
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