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Product Code
|
16—48x68
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|
Magnification
|
16～48x
|
|
Effcetive diameter of objective lens
|
ф68mm
|
|
Objective lens focal length
|
432.08mm
|
|
Zoom eyepiece focal length
|
26.1mm～8.83mm
|
|
Objective lens structure(#Elements/#Groups)
|
2 ? 2
|
|
Zoom eyepiece lens structure(#Elements/#Groups)
|
7 ? 4
|
|
Focusing system
|
intemai porro prism focusing with dual focusing device
|
|
Field of View
|
2.5°～1.25°
|
|
Apparent Real field of View
|
40°～60°
|
|
Field of View at 1000m/1000yds
|
43.5m～21.5m/130ft～65ft
|
|
Eye relief
|
19.4mm～17.8mm
|
|
Exit pupil
|
ф4.2mm～ф1.4mm
|
|
Twilight factor
|
33～57.1
|
|
Minimum focusing distance
|
5m
|
|
Zoom eyepiece focal length
|
88mm
|
|
Zoom eyepiece focal weight
|
220g
|
|
Main body length
|
355mm
|
|
Main body weight
|
1270g
|
