284g 20x25 Prism Glass BK 7 Compact Binoculars For Birding

284g 20x25 Prism Glass BK 7 Compact Binoculars For Birding

8x - 20X Compact Zoom Binocular 25mm Objective Prism Glass BK-7 Sportstar Zoom binocular

The 8-20x25 Binocular is a lightweight and compact optic with a powerful magnification to bring distant subjects up close for detailed observations. The wide 8-20x variable magnification range allows the user to observe a large area and then zoom into a particular point for a closer look. A zoom thumb lever conveniently located by the right eyepiece allows for quick and smooth zoom adjustments
It features a fully multi-coated optical path and an ergonomic housing — making it an ideal companion for outdoor enthusiasts, sports spectators, and city sightseers alike

Complementing the travel-friendly size are aspherical lenses that reduce the curvature that can distort the field of view as well as BK7 reverse Porro prisms that work together to present flat high-contrast images with lifelike color and consistent center-to-edge sharpness.
Combined with a 7 m close focus distance, this 8-20x25 binocular is ready for almost any mid- to long-range glassing task.

Features:
Magnification: 8x-20x
Objective Diameter: 25mm
Angular Field of View : 5.0 ° - 2.8 °
Angular Field of View (Apparent): 49° - 56°
FOV at 1000 yds: 261-147ft
Relative Brightness: 9.6 - 1.44
Close Focus Distance: 7M
Eye Relief: 14.2-9.7mm
Exit Pupil: 3.1 - 1.2
Prism System: Porro
Binoculars Focus System: Central Focus
Dimensions : 114x56x113mm
Interpupilary Distance: 56-72 mm
Weight : 284g

Specification:

Adjust by Smooth central focusing wheel and diopter adjustment ring on the right eyepiece. it is very easy for you to adjust focus and zoom close so as to look through clear images. The binoculars are made of ABS plastic, and nonslip rubber armor is made for secure grip,.