Check the listing for details. Vortex Optics Diamondback HD 10x50 Binocular w/ Vortex Harness Case and VX Hat. Condition: New. Listed at 269.00 USD. The Diamondback® HD smashes the scale of price vs performance, delivering a rock-solid optic that optically punches high above its class. The included GlassPakTM binocular harness keeps your glass close at hand, ready to deploy at a moment's notice, all while providing protection and significantly more comfort than traditional neck straps.Included in the BoxGlassPak binocular caseGlassPak case harnessComfort neck strapTethered objective lens coversRainguard Eyepiece CoverLens ClothMagnification 10xObjective Lens Diameter 50 mmEye Relief 17 mmExit Pupil 5 mmLinear Field of View 315 feet/1000 yardsAngular Field of View 6.0 degreesClose Focus 6 feetInterpupillary Distance 60-75 mmHeight 6.6 inchesWidth 5.3 inchesWeight 30 oz