Amazon.com: Songzi Optics 2.5X 3X 3.5X Optional Titanium Frame Binocular Dental Surgical Loupes and Led Light with a Yellow Flip-Over Filter (Working Distance :(360-460 mm) R, Magnification:2.5X) : Industrial & Scientific
High Quality Ultra-light 3.5x Medical Magnifying Glass Surgical Loupes Dental Loupes Medical Loupes With Led Light Fd-503-g-1 - Magnifiers - AliExpress