Description
Specifications:
|
Brand |
BELONA |
|
Model No |
70400 |
|
Product aperture |
70MM |
|
Optical system |
Refractive |
|
Focal ratio |
5.7 |
|
Focal length |
400MM |
|
Product eyepiece 1 |
4 MM (Magnification 100X) |
|
Product eyepiece 2 |
9 MM (magnification 45X) |
|
Product eyepiece 3 |
20MM (magnification 20X) |
|
Tracking system |
Platform equatorial meter |
|
Viewing angle |
1.30° |
|
Star finder |
5X24 |
|
Zeniths mirror |
48° positive image zeniths mirror |
|
Optical coating |
Multi-layer coating |
|
Linear field of view (1000 yards/m) |
61ft (19m) |
|
Pupil diameter |
2.2MM |
|
|