Bookmark fresnel Magnifier

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. See loupes with UV lights. 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. Bulk Orders Our returns policy (return any item you don't like, within 14 days) still applies, but if you return just some of a bulk order, and what you keep doesn't entitle you to the bulk discount, we will allow for this when issuing the refund / alternative items. When returning bulk-discount items you must pay the postage; break if you request alternative items, postage is chargeable.