30X18 triplet loupe Machines for changing the size of rings (ring sizing machines) (it will work fine with

(it will work fine with these

You want a powerful lens

01g increments

probably a triplet

30X18 triplet loupe Machines for changing the size of rings (ring sizing machines) (it will work fine withSummary 30X18 The 'standard' magnification for a loupe (for jewellery & gemstones, stamps & coins) is 10X. This one is 30X The diameter of the lens is 18mm* * useable diameter of this lens (allowing for the rim that holds the lens in place) 15mm Too see reviews of loupes, click here Detail This really is a large high quality genuine 30X loupe. Though even with this high quality triplet, there is limit as to what can be done technically although the