Askar ED80 Two-Element f/7 Telescope - ASK80ED
The Askar 80ED is a telescope with an aperture of 80mm, a focal length of 560mm, and a focal ratio of F7. The optical lens features a two-element structure, consisting of one ED glass and one standard achromatic glass.
Specifications
|
Parameters |
|
|
Aperture size |
80mm |
|
Focal length |
560mm |
|
Focal ratio |
f/7 |
|
Objective lens |
Doublet (including one ED glass) |
|
Total length |
404mm(when the dew shield is contracted) |
|
OTA weight |
1.7kg |
|
Gross weight（including tube ring and dovetail plate） |
2kg |
|
Rear-end thread type |
2" adapter |
|
Standard package items |
a manual |
|
Product Size Diagram |
|
The Locking Screw Position Diagram |
|
Electronic Focuser Assembly Diagram |
|
Optical Path Diagram |
|
Spot Diagram |
|
Longitudinal Aberration |
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The Askar 80ED is a telescope with an aperture of 80mm, a focal length of 560mm, and a focal ratio of F7. The optical lens features a two-element structure, consisting of one ED glass and one standard achromatic glass.
Specifications
|
Parameters |
|
|
Aperture size |
80mm |
|
Focal length |
560mm |
|
Focal ratio |
f/7 |
|
Objective lens |
Doublet (including one ED glass) |
|
Total length |
404mm(when the dew shield is contracted) |
|
OTA weight |
1.7kg |
|
Gross weight（including tube ring and dovetail plate） |
2kg |
|
Rear-end thread type |
2" adapter |
|
Standard package items |
a manual |
|
Product Size Diagram |
|
The Locking Screw Position Diagram |
|
Electronic Focuser Assembly Diagram |
|
Optical Path Diagram |
|
Spot Diagram |
|
Longitudinal Aberration |
