Askar 107PHQ Quadruplet Astrograph
Askar
Askar 107PHQ 107mm f/7 Quadruplet Flat-Field Astrograph is an optical tube for general deep-sky imaging and visual observing.
Best Current Offer
Specifications
Optics
- Optical design
- Quadruplet flat-field astrograph
- Aperture
- 107 mm
- Focal length
- 749 mm
- Focal ratio
- f/7
- Dawes limit
- 1.08"
- Lens design
- Quadruplet air-spaced APO (including two ED glass)
Specifications
- Image circle
- 44 mm
- Focuser
- 3.4"
Mechanical
- Weight
- 5.7 kg
- Tube length
- 603 mm(when the dew shield is contracted) 754 mm(when the dew shield is stretched)
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 107PHQ 107mm f/7 Quadruplet Flat-Field Astrograph 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.
Refractors keep the field routine calmer: no regular collimation, predictable cooldown, and a clean path to autofocus and filtered imaging. The tradeoff is aperture and reach.
Best paired with
- Corrected field flattener or reducer when the design requires one
- Cooled APS-C or smaller astro cameras matched to the image circle
- Autofocus, guide scope or OAG, and a mount with comfortable payload margin
Not recommended for
- Large full-frame sensors unless the corrected field supports them
- Very small travel mounts near their realistic imaging payload limit
- Buyers expecting one telescope to be ideal for every target size
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 |
|---|---|---|---|
| Telescopes.net Telescopes.net | $2,095.00 | In stock Updated 5/14/2026 | View Offer - $2,095.00 |
| High Point Scientific High Point Scientific | $2,299.00 | In stock Updated 5/11/2026 | View Offer - $2,299.00 |
| Starizona Starizona | $2,299.00 | In stock Updated 5/13/2026 | View Offer - $2,299.00 |