BRESSER Bresser National Geographic 90/1250 GOTO
Maxutov-Kasegren, max. useful gain: 180 x, lens diameter (aperture): 90 mm, focal distance: 1250 mm, Relative Hole: 13.9 :1
Maxutov-Kasegren, max. useful gain: 180 x, lens diameter (aperture): 90 mm, focal distance: 1250 mm, Relative Hole: 13.9 :1
Main Characteristics |
|
Types of Telescopes |
Maxutov-Kasegren |
max. useful increase |
180x |
Lens diameter (aperture) |
90 mm |
Focal Distances |
1,250 mm |
Relative openings |
13.9 :1 |
Illumination of optics |
Standardised |
Self-guided system |
|
Type of mounting |
azimuth |
Functions and features |
|
Number of eyeglasses in the kit |
2 |
Focal distances of eyeglasses |
20, 12.5 mm |
Optical magnification |
100x, 63x |
Turning Lens |
|
Revolving mirror |
|
Turning prism |
|
Optical searcher |
|
Pole Seeker |
|
Computerized mounting |
|
Automatic Attachment to the Sky |
|
Computer-based control |
|
GPS |
|
Clockwork mechanism |
|
Adjustment of fluency |
|
Fine-tuning mechanism |
|
Co-ordinating circles |
|
Statutory |
Aluminium |