10X21 triplet loupe

Details To help you compare the 10X loupes, a summary of this item is shown in blue: SIZE: 10X12 - 10X13 - 10X14 - 10X20 - 10X21 - 10X21 - 10X23 - "30X21” (magnification X diameter of lens, mm) OPTICAL QUALITY: basic - good - VERY GOOD – exceptional There are also reviews of loupes, click here. Comments High quality triplet 10X, and even larger than our own-brand 10X20.   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. 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.