10X23 doublet loupe

Summary 10X23 (10X magnification, 23mm diameter lens) SIZE: 10X12 - 10X13 - 10X14 - 10X20 - 10X21 - 10X21 - 10X23* - "30X21” (magnification X diameter of lens, mm) * useable diameter of this lens (allowing for the rim that holds the lens in place) 20mm OPTICAL QUALITY: basic - GOOD - very good – exceptional There are also reviews of loupes, click here. Comments Good quality (nothing spectacular but 'good') many our customers really like this one because of its unusually large lens, some of the big stores have switched to these, having previously bought the small 10X12 loupes. Technical Magnification / lens size in mm: 10X23 Lens material: glass Lens type: Doublet (one magnifier made of two lenses on top of each other) Type: jewellers' loupe (small, pocket-size, folds into its metal casing) Origin / brand: we import these from China Casing: metal Finish: chrome Presentation / extras: Plain cardboard box     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.