BRESSER Bresser National Geographic 70/350 GOTO
refractors, max. useful gain: 140 x, lens diameter (aperture): 70 mm, focal distance: 350 mm, relative hole: 5 :1
refractors, max. useful gain: 140 x, lens diameter (aperture): 70 mm, focal distance: 350 mm, relative hole: 5 :1
Main Characteristics |
|
Types of Telescopes |
refractors |
max. useful increase |
140x |
Lens diameter (aperture) |
70 mm |
Focal Distances |
350 mm |
Relative openings |
5 :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 |
25. 12 mm |
Optical magnification |
15x, 30x |
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 |