BX-1 Yosemite 8x30mm Binocular

Dimensions: 4.5"; Construction: 6061-T6 Aircraft Quality Aluminum; Finish: Matte; Color: Black; Weight: 17.0oz; Lens: 8X l FOV: 389.0ft @1000yd; Other Info: Expansive interpupillary distance range. Opens wide enough for adults and close enough for children Generous eye relief and large exit pupil. Armored, waterproof, nitrogen filled. Angular FOV: 7.4¡. Objective Aperture: 30.0mm. Twilight Factor: 15.4. Exit Pupil: 3.4mm. Eye Relief: 15.5mm. Close Focus Distance: 11.0ft. Boxed.