|
Product Code
|
20—60x85
|
|
Magnification
|
20～60X
|
|
Effcetive diameter of objective lens
|
ф85mm
|
|
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
|
ф4.2mm～ф1.4mm
|
|
Twilight factor
|
41.2～71.4
|
|
Minimum focusing distance
|
7m
|
|
Zoom eyepiece focal length
|
88mm
|
|
Zoom eyepiece focal weight
|
220g
|
|
main body length
|
385mm
|
|
main body weight
|
1590g
|
