APEXEL 8×21 Compact Zoom Binoculars Long Range 1000m Folding HD Powerful Mini Telescope BAK4 FMC Optics Hunting Sports Camping
Objective diameter: 21mm
Eyepiece diameter:13mm
Angle of field: 7 degrees
View of field: 1000m
Exit pupil diameter: 2.6mm
Eye relief: 11mm
Mini focus length: 2m
Prism: BAK4
Coated: object lens: FCM green coated, eye lens: CM blue coated
Focus system: Center focus
Product size: 3.5’’ x 2.4’’ x 1.4’’
Item weight: 0.4lb