Features:

All Purpose Binoculars; 8x magnification and 42mm objective provides a great balance of weight and optical performance; which fits all condition such as birdwatching hunting astronomical
HD Optical System Binoculars; All lenses and prism are multilayer-coated for bright clear field of view; High index Bak4 prism with aluminum reflective coating ensure high resolution and contrast
All Weather Use; Nitrogen filled rugged body prevents fogging inside the optical system; Sealed with o-rings for waterproof feature to prevent moisture dust and debris
Comfort Holding; Ergonomic design guarantees maximum comfort and steadiness when observing; Rubber armor provides a secure non-slip grip and durable external protection
More Features; Lens protect covers for objective and eyepiece; 1/4”-20 tripod adapter; Durable neck strap and soft pouch

Specification:

Model:10X42/8X42/8X32
Eyepiece Diameter:19.5mm/21mm/21mm
Type of Prism:Roof Bak4
Prism Coating:Aluminizing
Lens:FMC
Focus System:Cent.
Focusing Lens:Int.
Angle:5.8°/6.3°/7.38°
Ft/1,000Yds:304ft/330ft/387ft
M/1,000M:101m/110m/130m
M / Ft.:4.5m/14.8ft;4.5m/14.8ft;3m/10ft
Resolution:5.6"/5.6"/6.8"
Eyecups:Twist-up
Exit Pupil:4.2mm/5.18mm/4mm
Eye Relief:16.9mm/20.4mm/16.8mm
Diopter System:Right Ocular
Diopter COMP.:±3D
Interpupillary Dist.:55~75mm
Tripod Adapter Interface:Yes
Water Proof:IPX7
Nitrogen Filled:Yes