As pictured it is 10X15 (= 10X magnification with 15mm diameter lens and you can unscrew it to use it as a 5X20 lens.
Same as the photo but 14X12 (= 14X magnification with 12mm diameter lens) and you can unscrew it to use it as a 7X20 eyeglass.
Gives you the flexibility of two magnifications.
Everything you need to know about magnifiers and magnification.
See information about (and reviews of) loupes (small high-power folding jewellers' magnifiers).
Video (electronic) magnifiers, video magnifiers compared.
Products: see pocket microscopes and phone microscopes, click here.
With most magnifiers* magnification and working distance are related. Download our Excel sheet, enter a magnification to see the resulting working distance, enter a working distance to see the resulting magnification.
* excluding surgeons-type, digital & phone magnifiers, and microscopes.
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