Models:180X100 Specification: Type: Binocular Object Lens Diameter: 50mm Eye Lens Diameter: 22mm Type of Prism: BAK-4 Number of Lens: 4 pieces Lens Coating: FMC Focusing System: Central Non-slip Focusing Focus Lens: Eye Exit Pupil Distance: 8mm Exit Pupil Diameter: 5mm Field of View: Angle: 5.5°, 268ft/1,000Yds (78M/1,000M) Min. Focal Length: 5m/16.4ft Diopter System: Right Eyepiece Resolution: ≤ 7.5" Interpapillary Distance: About 56mm~74mm Color: Black Item Size: 20 x 18 x 6cm/7.87 x 7.08 x 2.36 inches Item Weight: 790g/1.74 lbs .
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