Askar SQA55 Telescope 55mm Aperture F4.8 Quintuplet Air-Spaced SD Glass Petzval Astrograph Refractor for Deep Sky Astrophotography and Visual Astronomy

★★★★☆ 4.0 92 reviews

$795.00
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$795.00
Price when purchased online
Free shipping Free 30-day returns

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Product details

Management number 211700079 Release Date 2026/04/04 List Price $318.00 Model Number 211700079
Category
  • Quintuplet air-spaced lens design, including 1 piece of SD glass and 1 piece of ED glass. The central star point has an RMS radius of less than 2.5 um, and the star point at the corner is less than 4 um, showing a superfine star point.
  • Self-flattened design, no need to calculate specific back focus,between 50mm and 60mm connection distance, users can directly use it for shooting after the OTA is in focus.
  • The aperture range of the lens is from F22 to F4.8, with a graded adjustment ring and a scale labeled on the lens tube to prevent accidental touching and save the adiustment parameters.
  • There are four multi-functional quick-release bases on the rear of the lens tube, which can be used to connect various accessories for photography and astrophotography,and can also be perfectly matched with the accessories of the SOA series.
  • The lens tube and 360" rotator both have independent locking screws.For daily shooting, the whole body can be rotated.For astrophotography, the high-precision rotator can be rotated independently, while the rotator is engraved with a scale, which is convenient for adjusting and saving the angle.

Brand Askar
Mount Altazimuth Mount
Focus Type Manual Focus
Model Name Askar SQA Series Telescope
Zoom Ratio 24
Finderscope Straight-Through
Item Weight 5 Kilograms
Manufacturer Askar
Model Number SQA55
BuiltIn Media Askar SQA Series Telescope
Compatible Devices Camera
Additional Features Quintuplet air-spaced lens design, Self-flattened design, Wide aperture range, Multi-functional quick-release bases, Independent locking screws
Exit Pupil Diameter 2.22 Millimeters
Warranty Description 1 year
Focal Length Description 264 millimeters
Manufacturer Part Number Askar SQA Series Telescope
Eye Piece Lens Description Petzval

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4 out of 5
★★★★☆
92 ratings | 38 reviews
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