Orion Observer 80 ST EQ
chromatic refractor, max. useful gain: 160 x, lens diameter (aperture): 80 mm, focal distance: 400 mm, Relative opening: 1/5 :1
chromatic refractor, max. useful gain: 160 x, lens diameter (aperture): 80 mm, focal distance: 400 mm, Relative opening: 1/5 :1
Main Characteristics |
|
Types of Telescopes |
refractors |
max. useful increase |
160x |
Lens diameter (aperture) |
80 mm |
Focal Distances |
400 mm |
Relative openings |
5 :1 |
Limiting stellar magnitude |
12.2 m |
Type of mounting |
equatorial |
Colors |
black |
Functions and features |
|
Number of eyeglasses in the kit |
2 |
Planting diameter of the eyepiece |
1.25 " |
Focal distances of eyeglasses |
10, 25 mm |
Optical magnification |
16x, 40x |
Turning Lens |
|
Revolving mirror |
|
Turning prism |
|
Lynza Barlow |
2 |
Optical searcher |
|
Pole Seeker |
|
Computerized mounting |
|
Automatic Attachment to the Sky |
|
Computer-based control |
|
GPS |
|
Clockwork mechanism |
|
Fine-tuning mechanism |
|
Co-ordinating circles |
|
Statutory |
Aluminium |