VIPERHD10X42Viper HD binoculars are an optical masterpiece, giving hunters, shooters and outdoor enthusiasts a premium option without the premium price tag. The HD optical system delivers stunning resolution, color fidelity and edge-to-edge clarity. These are one of the lightest, most compact, full-size binos on the marketa noteworthy attribute when gear consideration can be measured in grams. Includes GlassPak chest harness, keeping your binos at the ready while providing comfortable, protected, strain-free, all-day carry.Included in the BoxRainguard Eyepiece CoverTethered objective lens coversComfort neck strapGlassPak Binocular HarnessMagnification10xObjective Lens Diameter42 mmEye Relief17 mmExit Pupil4.2 mmLinear Field of View341 feet/1000 yardsAngular Field of View6.5 degreesClose Focus6.5 feetInterpupillary Distance56-75 mmHeight5.6 inchesWidth4.9 inchesWeight24.9 oz