These Fusion X 10 x 42 Range finding Binoculars from Bushnell feature ActiveSync Reticle technology that offers maximum contrast and visibility; Angle Range Compensation technology with +/- 1-degree angle accuracy, Bow and Rifle modes that range out to a full mile, and 10x magnification with 42mm objective lens. Field of view @ 1,000yds: 305ft; Exit pupil: 4mm; Eye relief: 16mm; Close focus: 21ft.6.4M. The binoculars are IPX7 waterproof.