Sig Sauer SOK31004: 10x42mm Binocular With SpectraCoatTM Anti-reflection Coatings for Superior Light Transmission and Optical Clarity - BDX 2.0 Including 8 Onboard Ballistic Groups - 6 Centerfire 1 Muzzle Loader and 1 Crossbow. Also Features QuickBOND for Rapidly Bonding the Rangefinder With Any BDX Enabled Sight - Embedded Applied Ballistics Ultralite With Bullet Database and Support For G1/G7 Drag Curves - Supports Applied Ballistics External For Pairing the Kilo With a Kestrel or Garmin With Onboard Applied Ballistics Elite - Low Energy Bluetooth 4.0 For Synchronizing up to 25 Custom Ballistic Profiles Between the Free SIG Ballistic App and Rangefinder - Includes a SIG Carry Pouch and Neck Strap - MAGNIFICATION: 10X - Objective Clear APERTURE: 42mm - Close Focus DISTANCE: 20 ft - EYE RELIEF: 18mm - Angular (FOV): 6.1 - FOV @ 1000 YDS: 320 ft - Laser DIVERGENCE: 1.5X.06 MRAD - Range Response TIME: 0.25 sec - SCANNING: YES - Range RESOLUTION: 0.1 YDS (UNDER 100) - Overall LENGTH: 5.75 in - Overall HEIGHT: 2.5 in - Overall WIDTH: 5 in - Weight w/ BATTERY: 31 oz