Professional Binoculars, Powerful 10x42 HD Binoculars, Waterproof and Anti-Fog, Large Eyepiece, Portable Compact Binoculars, for Bird Watching and Travel

Specification: Item Type: Binocular Material: metal + environmentally friendly rubber skin. Prism type: BAK-4 Eyepiece diameter: Approx. 22mm/0.8in (large eyepiece design) Exit Pupil Diameter: Approx. 5.25mm/0.2in Objective Lens Diameter: Approx. 42mm/1.6in Viewing angle: 5.6° Parallax compensation: right eye Waterproof and anti-fog: Yes Magnification: 10X Pupil Exit Distance: Approx. 12mm/0.5in Closest Focus Length: Approx. 5m/16.4ft Focusing system: central focus Lens coating: FMC full broadband green film Package list: 1 binocular. 1 manual 1 lens cleaning cloth. 1 non-slip rope. 1 storage bag. Note: Manual measurement, please allow some errors.