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document updated 18 days ago, on Mar 27, 2026
What's better than a 20X loupe?
Okay retailer's product lists:
Jewelry-making:
https://www.ottofrei.com/collections/magnifiers-loupes-jewelers-watchmakers
https://kassoy.com/prodcat/Loupes.asp
Jewelry- and watch-making
https://www.esslinger.com/loupes-and-magnifiers-3/
https://julesborel.com/collections/magnifiers?sort_by=product_code
https://eternaltools.com/collections/eyeglasses-and-loupes
Watchmaking
https://www.tztoolshop.com/FB_Catalog_Loupes.html
https://septools.com/collections/loupes-magnifiers
https://www.penntoolco.com/magnifiers-loupes-pocket-comparators/
https://www.ascscientific.com/collections/hand-lenses
https://www.grainger.com/category/machining/precision-measuring-tools/magnification-instruments/magnifiers
https://www.mscdirect.com/browse/tn/Measuring-Inspecting/Inspecting-Detecting-Testing-Instruments/Optical-Inspection-Equipment/Microscopes-Magnifiers-Loupes/Handheld-Magnifiers?navid=2107891
Writeups
High-end handheld magnifiers
My 20X loupe
Lens diameter: 21 mm
Focal distance: ?
Bausch+Lomb Coddington Magnifier 20X
Lens diameter: 12.5 mm
Focal distance: 1.3 cm
Bausch+Lomb 20x Hastings triplet loupe
Lens diameter: 8.3 mm
Focal distance: 13 mm
Watchmaking loupes
Background information:
https://eternaltools.com/blogs/tutorials/how-to-choose-a-watchmaker-loupe
https://www.youtube.com/watch?v=5WmfdOz7Uzk