Parameters |
||
Aperture size |
50mm |
|
Focal length |
275mm |
|
Focal ratio |
F5.5 |
|
Objective lens |
Triplet air-spaced APO (including two ED glass) |
|
Limiting visual magnitude |
10.3 |
|
Tube length |
196mm(Dew shield contracted) |
|
Gross weight(including dovetail plate) |
1.0kg |
|
Rear-end thread type |
1.25" visual adapters |
|
Standard package items |
a 50EDPH OTA, 2-section 5cm M48 extension tube ,a 70mm Vixen-style dovetail plate |
Product Size Diagram |