Mainly used for tourism， business visits， bird watching， outdoor camping， concerts， etc.
Product specifications 20X50， prism type: BAK4， magnification: 20 times
Eyepiece diameter: 24MM (large eyepiece design)， objective lens diameter: 50mm， viewing angle: 8.2 degrees
Minimum focusing distance: 5.0m， exit pupil diameter: 4.1mm， line of sight: 17mm， relative brightness: 25.00
Waterproof and antifog: Yes， tripod adapter interface: Yes， size: 190X175mm (WxH)， weight: 790g
Accessories: backpack， lanyard， objective lens cover， eyepiece cover， lens cloth， dryer， outer box.