Product Code
|
25—75x85
|
Magnification
|
25~75x
|
Effcetive diameter of objective lens
|
ф85mm
|
Objective lens focal length
|
530.04mm
|
Zoom eyepiece focal length
|
21.4mm~7.24mm
|
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
|
1.6°~0.8°
|
Apparent Real field of View
|
40°~60°
|
Field of View at 1000m/1000yds
|
28m~14m/84ft~42ft
|
Eye relief
|
15.9mm~14.7mm
|
Exit pupil
|
ф3.4mm~ф1.15mm
|
Twilight factor
|
46.1~79.8
|
Minimum focusing distance
|
7m
|
Zoom eyepiece focal length
|
77mm
|
Zoom eyepiece focal weight
|
165g
|
Main body length
|
385mm
|
Main body weight
|
1590g
|