Euromex Aplanatic Magnifying Glass, PB.5016, 6x, Lens 20 mm
10X Magnifying Glass with Light and Stand, KIRKAS 2-in-1 Stepless Dimmable and 3 Color Modes LED Magnifying Lamp, Real Glass Lens Magnifier Desk Lamp & Clamp for Reading, Repair, Hobby, Close Work -
What is a scientific magnifying glass called? - Quora