[ Main Features ]
- The 8 x 21 roof BAK4 prism comes with high definition and high power, bring better experience
- With small size of 91 x 60 x 35mm and weight of 150g, convenient to carry
- Foldable binoculars, comes with eyepiece coated with FMC film, objective lens coated with blue film, receive bright field of view
- Life water resistant, no need to worry in rainy days
- 131m / 1000m field of view, suitable for bird watching, mountain climbing, etc.