Magnifiers with a real glass lens are highly scratch resistant and easy to clean, glass lenses are a good choice around acids and surface grinding cutting maybe taking place, the downside of glass lenses are they are optically inferior to high grade acrylic lenses, they weigh more, and can crack or chip, but they do a fine job at magnifying and are generally cheaper then optical grade acrylic magnifiers .
The Regula MAG-FM5 and MAG-FM/L Fingerprint Magnifiers were designed specifically for classification and investigation of fingerprints and for
Fingerprint Magnifiers - 5X Lens with Disc
VEVOR Magnifying Glass with Light and Stand, 5X Magnifying Lamp
This handy magnifying glass is all you need to tackle those really small areas and numbers in your paint by numbers kit. It has 3 LED lights and provides two lenses - one 3X augmentation (big lense) for general use and a smaller 45X lens for tiny objects. It works with 3 AAA batteries.
3X and 45x Handheld Magnifying Glass LED Lights
10X Magnifying Glass with Light, Lighted Magnifying Glass
Glass Lens Magnifiers, Magnifiers with glass lens
30X Professional Magnifying Glass With LED Light Double Llayer
Dual Glass Lens Magnifying CLIP ON MAGNIFIER 3.3x 5x 16.5x
Glass Lens Magnifiers, Magnifiers with glass lens
Insten Large Magnifying Glass 75 Mm Lens, 7x Handheld Magnifier
This foldout magnifier has three 30mm (1.25 inch) 5X glass lenses for up to 15X magnification, enough to identify mites, powdery mildew, fossils,
5-10-15X Folding Magnifier
OptiVISOR Magnifier #10 (Glass Lenses)