High powered telescopes 25X100 Performance characteristic:
High powered telescopes 25X100 have long exit pupil.High powered telescopes 25X100 have large objective lens. High powered telescopes 25X100 are applicable even under circumstances such as at dusk and dawn and with toxic gases.High powered telescopes 25X100 have high purity of nitrogen filling, professional waterproofing,high sealing performance.Exquisite workmanship , excellent quality. broad green antireflection film lens. Clear image. Metal structure,durable and shock resistant.Besides,it has BAK4 prism.
Test items:
|
Technical parameter
|
Lens magnification
|
25X
|
Entrance pupil Diameter:mm
|
φ100
|
Exit pupil diameter:mm
|
φ4
|
Exit pupil distance:mm
|
15.44
|
Field of view
|
3°
|
minimun focal length
|
25m
|
Relative brightness
|
16
|
Dusk index
|
50
|
Resolution
|
<2.8"
|
Type of Prism
|
Paul
|
Number of lens
|
4 sets 6 pieces
|
focusing system
|
Separate adjusting
|
focusing lens
|
Objective lens
|
Diopter range
|
-5~+5SD
|
Eye-distance range
|
56~72mm
|
Weight
|
3625g
|
Overall dimensions
|
256x130x388
|
Outer sheath
|
yes
|
Stand screw
|
yes
|
eyepieces cap
|
yes
|
Nitrogen filling
|
yes
|
High powered telescopes 25X100 are worth you to purchase.