Parameters |
||
Aperture size |
203mm |
|
Focal length |
1421mm |
|
Focal ratio |
f/7 |
|
Objective lens |
Triplet air-spaced APO (including one ED glass) |
|
Total length |
1145mm(when the dew shield is contracted) |
|
The length of the rear retractable lens tube |
150mm |
|
Gross weight(including tube ring and dovetail plate) |
23.5kg |
|
Rear-end thread type |
2"/1.25" visual adapters |
|
Standard package items |
an 203APO OTA, a group of tube rings, a handle, an Askar 500mm Losmandy dovetail plate, an aluminum box,a manual |