3X Credit Card Fresnel Lens — Pack of 3An inexpensive credit card size magnifier that fits in any wallet, purse, or phone case. The 3X Fresnel lens magnifies at 85x55mm just enough coverage to make small print readable without carrying a separate magnifier. Pack of three. Specifications Magnification: 3X Size: 85x55mm (credit card) Pack of 3 Perfect For Menus, labels, maps, and small print always in wallet emergency magnification.

IPD range: 50-75mm

Reading small print shouldn't be a struggle

Low distortion optics

Takes 2 CR1620 batteries (included)

meeting the precision requirements of modern biology

Field inspection

114g — lightweight for easy gliding

Working time: 1

Magnification: 40-400X (standard)

Binocular sliding head

Metal tripod

Everything from creative fisheye effects to telephoto reach and close-up macro — in a single compact set