Askar SQA85 Quintuplet Petzval Astrograph
Askar
Askar SQA85 f/4.8 Quintuplet Petzval Refractor Telescope is an optical tube for general deep-sky imaging and visual observing.
Best Current Offer
Specifications
Optics
- Optical design
- Petzval-style flat-field astrograph
- Aperture
- 85 mm
- Focal length
- 408 mm
- Focal ratio
- f/4.8
- Dawes limit
- 1.36"
- Lens design
- Quintuplet petzval APO(including two pieces of SD glass)
Specifications
- Focuser
- 2.8"
Imaging
- Full-frame coverage
- Yes
- Camera format
- Full-frame
Mechanical
- Weight
- 3.64 kg Gross weight(including tube ring and dovetail plate) 4.62 kg Rear-end thread type M48/M54/M68 adapters
- Tube length
- 403 mm(when the dew shield is contracted) 439 mm(when the dew shield is stretched)
- Adapter
- M48/M54/M68 adapters
- Dimensions
- 85 mm
Astrophotography Fit
Best for general deep-sky imaging and visual observing when the mount, camera format, and correction hardware are chosen as one system.
Askar SQA85 f/4.8 Quintuplet Petzval Refractor Telescope sits in the telescope slot for general deep-sky imaging and visual observing. The important buying question is whether the optical design, focal length, and mount demands match the targets you actually shoot.
Fast astrographs collect signal quickly, but they are unforgiving: collimation, tilt, filter behavior, and back-focus spacing show up immediately in star shapes.
Best paired with
- Rigid focuser, tilt adjuster, and exact corrector spacing
- Cooled cameras with a sensor inside the corrected image circle
- High-throughput filters that behave well at fast focal ratios
Not recommended for
- Users who do not want to tune collimation, tilt, and spacing
- Thick or narrow filters that show strong bandpass shift at fast focal ratios
- Loose camera adapters or focusers that cannot hold the imaging train square
Where To Buy
Some links on this page are affiliate links. Prices and availability are pulled automatically from each retailer and updated daily.
| Retailer | Price | Availability | View Offer |
|---|---|---|---|
| High Point Scientific High Point Scientific | $2,395.00 | In stock Updated 8/5/2026 | View Offer - $2,395.00 |
| Mile High Astronomy Mile High Astronomy | $2,395.00 | In stock Updated 8/5/2026 | View Offer - $2,395.00 |
| Starizona Starizona | $2,395.00 | In stock Updated 8/5/2026 | View Offer - $2,395.00 |
| Telescopes.net Telescopes.net | $2,395.00 | In stock Updated 8/5/2026 | View Offer - $2,395.00 |
Price History
Chronological retailer pricing with out-of-stock points shown at reduced opacity.