10X20 lightweight hexagonal triplet loupe, best large loupe Type_Digital Scales 45 degree flatlight

45 degree flatlight

Point it at a fluorescent light and see the dozens of lines caused by the gases burning inside the tube

00) gemmological microscope

this is the one to keep with you at all times

10X20 lightweight hexagonal triplet loupe, best large loupe Type_Digital Scales 45 degree flatlightSummary 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