High Power 20 X 50 Binocular, Fully Coated Rugged Telescope
Model: 20X50 Prism Type: BAK-4 Eyepiece diameter: 22MM (large eyepiece design) Objective lens diameter: 50mm Small focusing distance: 5.0m Exit Pupil Diameter: 4.1mm Viewing distance: 17mm Relative b…
