Boshile 10x50 Binoculars Built-in Compass Telescope Zoom Navigation Hunting Hiking Camping Big Eyepiece Waterproof Nitrogen Bak4

Brand Name: Boshile
Magnification: 10
Objective Lens Diameter: 50mm
Eyepiece diameter: 23mm
Field of View: 132m\1000m
Laser Function: No
Type: Binoculars
Water Resistance Level: IPX4
Origin: Mainland China
Lens Coating Description: FMC
Focus Type: CENTRAL
Prism Description: BAK4
Model Number: 10x50
Material: Plastic
Prism Type: Porro system telescope
HD Prisms Glass: BAK4 generally use in high end telescope
Function: Nitrogen filled purged
Coating: ultra clear FMC multi coated
Close up Focus: 5m
Field of View: 396 ft at 1000 yds
View Angle: 5.6
Eyecup: Folding down or up
Exit Pupil Diameter: 50mm