20X loupe for laser inscriptions on diamonds

Summary 20X12 The 'standard' magnification for a loupe (for jewellery & gemstones, stamps & coins) is 10X.  This one is 20X. The diameter of the lens is 12mm Too see reviews of loupes, click here Detail Good quality removable stone-holder, easy to swivel until you see the inscription One knob raises the stone up and down to line it up with the lens The other knob is for focus Extremely high quality 10X lens. Under normal circumstances focusing a 20X is painful, you move it 2mm too close to the object or 2mm too far way, and it goes out of focus.  Not so here - because the stone is fixed firmly in its holder and the focus mechanism works beautifully.  Read all about magnification and how to choose a magnifier, click here. 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.