SkyMaster 20x80 - General Features :

* 20x magnification porro prism binocular
* Giant 80 mm objective lens offers maximum image brightness in low-light and long-range conditions
* Ultra sharp focus across the field of view
* Multi-Coated optics for sharp, clear views
* Suitable for terrestrial or astronomical viewing
* Protective rubber covering for ultra-firm grip
* Large center focus knob for easy focusing
* Integrated tripod adapter rod for ultra-stable tripod mounting
* Long eye relief ideal for eyeglass wearers
* Soft carrying case included for travel and safe storage

Optical Design Learn More : Porro
Diameter Learn More : 80 mm ( 3.15 in)
Magnification Learn More : 20 x
Angular Field of View Learn More : 3.7 °
Linear Field of View ( @ 1000 yds) Learn More : 195 ft ( 59.44 m)
Exit Pupil Learn More : 4 mm ( 0.16 in)
Eye Relief Learn More : 18 mm ( 0.71 in)
Near Focus ( Binoculars) Learn More : 108 ft ( 32.92 m)
Prisms Learn More : BAK-4
Optical Coatings Learn More : Multi-Coated
Caps Learn More : Yes
Strap Learn More : Yes
Carrying Case Learn More : Padded Nylon
Weather Proof Learn More : Waterproof
Weight Learn More : 75 oz ( 2126.21 g)