Field of View
If I had a nickel for every time my Dad took out his 20X pocket magnifier ... I'm pretty sure I'd have a whole bunch of nickels. He would pull out this glass and hold it real close to his eye (presumably the good eye that was not kicked by a mule) until the focal length was just right and the subject was crystal clear. 20X clear. The subject of which he was passionate was bugs and he was enthusiastic about sharing his knowledge with any one who would listen. Since I don't always wear pockets, I strung up this well loved tool into a necklace for a better chance of safe keeping.
This magnifying power will be perfect for
fabric reconnaissances. And bugs.
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