OPTISAN EVR 8X42 ED Binoculars

OPTISAN ED lens binoculars are ED lens binoculars with the highest transparency. The right diopter correction ring is coaxial with the center focus dial, making it very smart, simple, and easy to use. It follows the design adopted by Vortex's Furry 8x32. OPTISAN ED lens binoculars are ED lens binoculars with the highest transparency. The right diopter correction ring is coaxial with the center focus dial, making it very smart, simple, and easy to use. Optical data: Magnification 8X Effective diameter (mm) 42 mm Eye relief (mm) 18 Pupil diameter (mm) 5.2 Minimum focusing distance (m) 2 Interpupillary distance (mm) 58-76 Diopter correction (dpt) -2/+2 Fully multi-coated coating Focus system: Center focus Field of view (m@1000m) 131 Field of view (degrees) 7.5 ED glass ultra-low dispersion prism Dielectric coat BaK4 Mechanical data Weight (g) 745 Weight (oz) 26.10 Eyecup: Twist-up eyecup Housing aluminum alloy Dimensions (width x height x depth mm) 130X130X53 Environmental data Functional temperature -10℃ to 50℃ Storage temperature -10℃ to 50℃ Waterproof standard IPX7 Product included Standard accessories: Eyepiece protection cap, removable objective protection cap, waterproof protection bag, neck strap