Featuring multicoated aspherical lenses for clear edge-to-edge viewing, more than ample exit pupils for superior light gathering ability and BAK4 high-index prisms for exceptional brightness and resolution. Bright, multicoated optics, ergonomic body design, diopter control for strain-free viewing, rubber armor for sure grip, quick central focusing, tripod adaptable. 10 x 25: Magnification: 10x, Objective Diameter: 25 mm, Angular FOV: 5° (real), 47.2° (apparent), FOV @ 1000 yds: 262', Close Focus Distance: 8.2', Exit Pupil: 2.4 mm, Eye Relief: 10.6 mm, Size: 4.8" x 4.5", Weight: 9.7 oz.