The Vivitar 10x50 EV-1050 Nature Binocular, based on a BK 7 porro prism design with a unique vertical positioning of the prisms, offers 10x magnification power. Designed for general outdoor viewing, the binocular is suitable for birdwatching as well.
With 50mm objective lenses, the binocular offers an exit pupil diameter of 5mm. Multicoated high-definition lenses of the binocular reduce glare and ensure sharp image reproduction. The binocular offers 5.7º angular field-of-view, and 300' (91.4m) linear field-of-view @ 1000 yard (914.4m).
BK 7 porro prism design with a unique vertical positioning of the prisms
10x magnification power
Designed for general outdoor viewing
Suitable for birdwatching
50mm objective lenses
5mm exit pupil diameter
Multicoated high-definition lenses reduce glare and ensure sharp image reproduction
5.7º angular field-of-view
300' (91.4m) linear field-of-view @ 1000 yard (914.4m)