Original: $1,871.40
-70%$1,871.40
$561.42The Story
High-quality quintuplet air-spaced ED glass Petzval Astrograph.
Product introduction
Specifications
|
Parameters |
||
|
Aperture size |
70mm |
|
|
Focal length |
336mm |
|
|
Focal ratio |
f/4.8 |
|
|
Objective lens |
Quintuplet petzval APO（including two pieces of ED glass） |
|
|
Total length |
332mm(when the dew shield is contracted) |
|
|
Format specifications |
full frame（44mm） |
|
|
OTA weight |
2.68kg |
|
|
Gross weight（including tube ring and dovetail plate） |
3.5kg |
|
|
Rear-end thread type |
M42/M48/M54 adapters |
|
|
Rear-end connection distance |
Support 37-68mm range (Recommended connection length is 55mm) |
|
|
Standard package items |
a SQA70 OTA, an Oxford cloth case |
|
|
Product Size Diagram |
|
The Locking Screw Position Diagram |
|
SQA70 Electronic Focuser Assembly Diagram |
Video
Images
Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
High-quality quintuplet air-spaced ED glass Petzval Astrograph.
Product introduction
Specifications
|
Parameters |
||
|
Aperture size |
70mm |
|
|
Focal length |
336mm |
|
|
Focal ratio |
f/4.8 |
|
|
Objective lens |
Quintuplet petzval APO（including two pieces of ED glass） |
|
|
Total length |
332mm(when the dew shield is contracted) |
|
|
Format specifications |
full frame（44mm） |
|
|
OTA weight |
2.68kg |
|
|
Gross weight（including tube ring and dovetail plate） |
3.5kg |
|
|
Rear-end thread type |
M42/M48/M54 adapters |
|
|
Rear-end connection distance |
Support 37-68mm range (Recommended connection length is 55mm) |
|
|
Standard package items |
a SQA70 OTA, an Oxford cloth case |
|
|
Product Size Diagram |
|
The Locking Screw Position Diagram |
|
SQA70 Electronic Focuser Assembly Diagram |
Video
Images
