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 20~60X85ED ANGLE SPECIFICATION
Zoom eyepiece focal length: 26.1mm~8.83mm
Zoom eyepiece lens structure (#Elements/#Groups): 7/4
Apparent field of view: 40°~60°
Magnification: 20~60X
Real field of view: 2°~1°
Objective lens focal length: 530.04mm
Field of view at 1000m/1000yds: 35m~17.5m/105ft~52.5ft
Eye relief: 19.6mm~17.8mm
Exit pupil: φ 4.2mm ～φ 1.4mm
Minimum focusing distance: 7m
Effective diameter of objective lens: φ 85mm
Main body length: 385mm 
Main body weight: 1590 g
Objective lens structure (#Elements/#Groups): 3/3
Twilight factor: 41.2~71.4
Focusing system: Internal porro prism focusing
with dual focusing device
Zoom eyepiece length: 88mm 
Zoom eyepiece weight: 220 g
Accessories
Manual x1
Protective bag (including shoulder strap) x1
Lens cleaning cloth x1
Protective cover X4
Impact resistant, pressure resistant carton x1