20X12 Loupe five elements Digital scales - regular lines - resolution 0.01g see Testing for Synthetic Diamonds

see Testing for Synthetic Diamonds

Although the lens is only 10mm dia

Read all about magnification and how to choose a magnifier

Without lid: same as above but only 19mm high

Nice chunky good quality triplet lens

20X12 Loupe five elements Digital scales - regular lines - resolution 0.01g see Testing for Synthetic DiamondsSummary 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* * useable diameter of this lens (allowing for the rim that holds the lens in place) 11. 5MM Too see reviews of loupes, click here Detail If you want a 20X magnification loupe, go for the absolute best quality smallest lens (this one is 5 element, better than than the usual high quality 'triplet'