Bifocal magnifier is great for up-close viewing of stock listings, newspapers, maps, computer printouts, photographs, drawings and all fine prints. Manufactured with shatterproof, scratch-resistant, optical-grade acrylic lenses. Magnifying glass is  distortion-free performance. 2X magnification lens with 4X bifocal insert

Lens: 2-1/2 inch Dia .

Magnification: 2x and 4x