This laser rangefinder from Hawke has a fully multi-coated optical system with BK-7 prisms, high light transmission with true colour optics, 6x magnification and an adjustable diopter, is ergonomically designed to fit in your hand, has a twist-up eye cup to ensure proper eye relief, has a wide angle optical system, is accurate to +/- 1m and has a auto shut off battery save feature.