Purpose-built for picking out distant Coues deer and sheep on distant ridgelines BX®-5 Santiam™ HD 15x56mm binoculars can take on the biggest hunts. The huge forgiving eyebox is made for long glassing sessions. Extra-low dispersion HD lenses and the Twilight Max Light Management System combine to give you a crisp image vibrant color and optimal contrast in harsh or poor light. With Abbe-Koenig prisms ramping up light transmission they also redefine low-light performance clarity and resolution at extreme long range. – COMES WITH PRO GEAR ACCESSORIES — BINOCULAR TRAY TRIPOD ADAPTER GO AFIELD SHOULDER STRAP GO AFIELD BINOCULAR CASE LENS COVERS AND A LENS CLOTH. – Interpupillary Distance: 55.0-74.0 – Actual Magnification: 15.0 x – Objective Clear Aperture (mm): 56.0 mm – Linear Field of View (ft/1000 yd): 231.0 ft – Weight (oz): 45.0 oz – Length (in): 8.2 in – Exit Pupil (mm): 3.7 mm – Close Focus Distance: 9.8 ft