VISIONKING 8X22BL Compact Binoculars BAK4 Prism Waterproof Telescope for Bird Watching Travel

• Full multi-coated green lens and Bak4 prisms for light transmission, so it has high resolution and good field of view
• Smooth central focus knob for quick viewing
• It also has rubber armored body for durable use
• With compact body, light weight, very easy to carry for outdoor use

Specifications:

• Brand: VISIONKING
• Item number: 8X22BL
• Magnification: 8x
• Objective lens diameter: 22mm
• Nearest sight distance: 6m
• Field of view: 340ft/1000yds
• Lens coating: green film
• Eyecup Type: Folding
• Exit pupil diameter 3.3mm
• Exit pupil distance: 19mm
• Focusing method: center focusing
• Prism material: BAK4
• Prism System: Porro
• Waterproof: yes
• Net weight 200g