Magnification 13 times (10 times measured)
Objective lens diameter: 50mm
Eyepiece diameter: 22mm
Field of view size: 6.5°, 114m/1000m
Exit pupil diameter: 4mm
Exit pupil distance: 18.5mm
Objective lens coating: multilayer green film
Eyepiece coating: multi-layer green film
Prism structure: Paul prism
Nearest : 4m
Nitrogen-filled and waterproof; yes
Size: 190*90*65mm
Weight: 425g
just feel free to enjoy bird watching, hiking,