I had a hard time focusing in with that thing, it was really a hit and miss. I went on ebay and picked up a 30x for like $5 and that works really well.
Silver Jeweler's Loupe 30X - 21mm Eye Magnifying Glass - eBay (item 250223418479 end time Mar-10-08 17:56:12 PDT)
Twentyinches Reviewed by Twentyinches on . 30x mag. is this the kind of magnify glass i want to get to check the trics??? Amazon.com: 30X hand-held pocket microscope: Office Products thanks Rating: 5