Summary
About 3X magnification. 0.4mm thick, overall 150 X 38mm, magnifying area 80 X 25mm.
Bookmark-size Fresnel.
Technical
Magnification: about 3X.
Size: overall 150 X 38mm, magnifying area 80 X 25mm.
Field of view: vertically, 5 to 6 lines; horizontally, about one 1.5 newspaper columns.
Lens material: plastic
Origin / brand: China, special 'job lot', only a few available.
Presentation: it comes in its very own cellophane pouch.
Further information
Everything you need to know about magnifiers and magnification.
See information about (and reviews of) loupes (small high-power folding jewellers' magnifiers).
See information about (and reviews of) binocular (head-worn) magnifiers- especially the surgeons-type.
See a guide to magnifiers for the partially-sighted.
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.