- What do the 30x21 and 10x20 numbers mean?
- They pair a magnification with a lens diameter in millimeters. The 30x lens is about 21 mm across; the 10x lens is about 20 mm across.
- Is 30x too strong for looking at jewelry?
- 30x gives a very close view but a small area in focus, so it is best for checking a single stone or hallmark. The 10x lens is easier for a whole piece.
- Does it work for coins and stamps?
- Yes. The 10x lens is the usual choice for dates, mint marks and print detail; the 30x helps with tiny flaws.
- How do I hold it steady at high magnification?
- Rest the loupe against your brow or cheek and bring the object to it. Bracing your hands on a table reduces shake.
- What is in the box?
- The loupe itself. No case, cloth or lanyard is listed.
- Where is the Foldable Portable Jewelry Loupe 30X21 High Magnification Metal Handheld Glass Magnifier 10x20 cheapest?
- At Amazon, for $5.49, as of our latest check.