10X20 lightweight hexagonal triplet loupe, best large loupe

Summary 10X20 by Quicktest (10X magnification, 20mm diameter lens) 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) * useable diameter of this lens (allowing for the rim that holds the lens in place) 18.5mm OPTICAL QUALITY basic - good - VERY GOOD - exceptional There are also reviews of loupes, click here. Comments Engraved with a conversion chart for the weights of gold and diamonds. This is our own brand, we have them made for us in China, it is by far the best 10X large lens (apart from the Zeiss), despite its relatively low price. I've marked the quality as "very good" as opposed to "exceptional" because it's not quite as good as Zeiss! Technical Magnification / lens size in mm: 10X20 Lens material: glass Lens type: Triplet (contains three lenses cemented together). Type: jewellers' loupe (small, pocket-size, folds into its metal casing) Origin / brand: manufactured for us in China Casing: metal Finish: brushed aluminium, lightweight Presentation / extras: soft leather pouch and 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. 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.