specification:
Magnification: 10X
Objective lens diameter: 50 MM
Eyepiece diameter: 20MM
Field of view: 120 m/1000 m
Prism: BAK4
Lens: optical glass lens
Coating: multilayer broadband green film
Focusing : middle focal wheel
Prism system: top prism system
Shell material: metal mirror body + shockproof rubber

characteristic:
- clear, and at the same time, whether you are looking for birds or trying to better observe the stage, the fully coated optics can excellent light transmittance and brightness, which can help you see almost any target.
-With a 50mm lens, you can observe nearly ten times and become clearer.
-The larger the objective lens, the more light incident on the single eye, and the brighter the image.
-The built-in lens dust cover can prevent lens dust ande sure you see everything clearly.
-BAK4 prism material, clear pictures without black , can be processed into clear pictures.