About 3X magnification. 0.4mm thick, and exactly the size of a credit card.
OK, it's not the largest size or the most spectacular quality, but it will fit into a credit card wallet - get one so that you always have a magnifier when you go out...get some for your friends.
Magnification / lens size in mm: About 3X, credit-card-size.
Field of view: vertically, 10 to 12 lines; horizontally, about one newspaper column.
Lens material: plastic
Origin / brand: imported by us from China.
Presentation: it comes in its own clear plastic "credit card holder".
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.
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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.