Telescope manufacturer-Zoom Telescope|Type 62 Telescope|Type 98 Telescope





|
model |
KFS20x80 |
|
magnification |
20x |
|
body material |
aluminium alloy |
|
rubber material |
rubber |
|
color |
black |
|
objective aperture |
Φ80mm |
|
eyepiece aperture |
Φ24.5 mm |
|
exit pupil |
Φ4mm ± 10% |
|
eye relief |
17mm |
|
(°)FOV |
3.3° |
|
(at 1000M)field of view |
58m |
|
(at 1000yds)field of view |
174ft |
|
diopter regulation |
· Right diopter ring |
|
eye distance |
58~72mm |
|
focusing system |
cent |
|
focusing lens |
eyepiece focusing |
|
diopter regulation |
-4~+4 diopter |
|
focus range |
-4~+8 diopter |
|
prism system |
porro |
|
lens material |
BAK4 |
|
optical system |
Objective lens :2 pieces 1 group |
|
Eyepiece lens :4 pieces 3 groups |