High-quality quintuplet air-spaced SD glass Petzval Astrograph.
Product introduction
Specifications
Parameters | ||
Aperture size | 85mm | |
Focal length | 408mm | |
Focal ratio | f/4.8 | |
Objective lens | Quintuplet petzval APO（including two pieces of SD glass） | |
Total length | 403mm(when the dew shield is contracted) | |
Format specifications | Full-frame | |
OTA weight | 3.64kg | |
Gross weight（including tube ring and dovetail plate） | 4.62kg | |
Rear-end thread type | M48/M54/M68 adapters | |
Rear-end connection distance | Support 40-70mm range (Recommended connection length is 55mm) | |
Standard package items | a SQA85 OTA, an Oxford cloth case | |
Product Size Diagram |
The Locking Screw Position Diagram |
SQA85 AFkit Electronic Focuser Assembly Diagram |
For all orders exceeding a value of 100USD shipping is offered for free.
Returns will be accepted for up to 10 days of Customer’s receipt or tracking number on unworn items. You, as a Customer, are obliged to inform us via email before you return the item.
Otherwise, standard shipping charges apply. Check out our delivery Terms & Conditions for more details.
