|
Product Code
|
20_60x85
|
|
Magnification
|
20~60X
|
|
Effcetive diameter of objective lens
|
85mm
|
|
Objective lens focal length
|
530.04mm
|
|
Zoom eyepiece focal length
|
26.1mm~8.83mm
|
|
Objective lens structure(#Elements/#Groups)
|
3?3
|
|
Zoom eyepiece lens structure(#Elements/#Groups)
|
7?4
|
|
Focusing system
|
intemai porro prism focusing with dual focusing device
|
|
Field of View
|
2°~1°
|
|
Apparent Real field of View
|
40°~60°
|
|
Field of View at 1000m/1000yds
|
35m~17.5m/105ft~52.5ft
|
|
Eye relief
|
19.6mm~17.8mm
|
|
Exit pupil
|
4.2mm~1.4mm
|
|
Twilight factor
|
41.2~71.4
|
|
Minimum focusing distance
|
7m
|
|
Zoom eyepiece focal length
|
88mm
|
|
Zoom eyepiece focal weight
|
c
|
|
main body length
|
385mm
|
|
main body weight
|
1590g
|
