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    Difference between 50mW and 150mW

    I was at the Virginia Beach Hamfest today and a couple of vendors had some green and blue lasers. I purchased a 150mW and a 50mW laser. When I got it home, the 50mW laser was much brighter than the supposed 150mW. This concerned be because I paid a lot more for the 150mW! So I tried one test by...


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