20X loupe for laser inscriptions on diamonds Type_Digital Scales All of these are used

All of these are used to 'simulate' (imitate) diamond

on objects 500mm away

All about electronic gem testers

the composition of fabrics

That's very easy with loose stones

20X loupe for laser inscriptions on diamonds Type_Digital Scales All of these are usedSummary 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