|
Optical system |
Newton |
|
Aperture |
500мм |
|
Focal length |
1750мм |
|
Relative aperture |
1/3.5 |
|
Central shielding |
30 % |
|
Tubes size |
L=1800mm D=620mm |
|
Tubes weight |
80 кг |
|
Tubes material |
Carbon fiber, aluminum |
| Tubes construction |
Optional-closed tube or truss |
|
Field of view |
60мм |
|
Corrector |
4’’ х1.0 illuminated |
|
Secondary mirror minor axis |
150мм |
|
Field of view without vignetting |
36мм |
|
A confirmation of quality of the optics |
Interferogram |
|
Mount |
Fork parallactic |
|
Diameter of the bearing of the polar axis |
200мм |
|
Diameter of bearings of the declination axis |
100мм |
|
Axis drives |
DC motors with encoders |
|
Axis encoders |
Optional |
|
Speed of the tubes movement |
5 degree/sec |
|
Mounts weight |
220кг
|