Telescopes

Askar SQA55

The Askar SQA55 telescope is a 5-element Petzval refractor with an SD lens and an ED lens. Its adjustable aperture ranges from f/4.8 to f/22, making it suitable for nighttime astrophotography and...

The Askar SQA55 telescope is a 5-element Petzval refractor with an SD lens and an ED lens. Its adjustable aperture ranges from f/4.8 to f/22, making it suitable for nighttime astrophotography and daytime photography. It can also be used as a manual-focus camera lens.

The Petzval design eliminates the need to calculate back focus, while the 50–60 mm adapter...

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  • Lens Diameter 55 mm
  • Mount Type Equator
1070 00 €
Delivery Fri, 27 Nov - Thu, 03 Dec
14,00 €   shipping cost
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From Telescopium Athens
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Description & Specifications

The Askar SQA55 telescope is a 5-element Petzval refractor with an SD lens and an ED lens. Its adjustable aperture ranges from f/4.8 to f/22, making it suitable for nighttime astrophotography and daytime photography. It can also be used as a manual-focus camera lens.

The Petzval design eliminates the need to calculate back focus, while the 50–60 mm adapter lets you start imaging once the optical tube is focused. The focuser offers dual-speed adjustment, with separate fine and coarse focus controls. An optional autofocus kit is supported and is compatible with the ZWO EAF electronic focuser and other models.

  • Type: Refractor telescope
  • Objective lens diameter: 55 mm
  • Design: Petzval, 5 optical elements
  • Optical elements: One SD lens and one ED lens
  • Aperture: Adjustable, from f/4.8 to f/22
  • Focusing: Dual-speed, with engraved scale
  • Central star spot RMS radius: Less than 2.5 μm
  • Corner star spot RMS radius: Less than 4 μm
  • Adapter: 50–60 mm
  • Rear filter thread: M48 for 2" filters
  • Front filter thread: 67 mm
  • Quick-release mounts: Four, for astrophotography accessories
  • Lens hood: Reversible, with snap-on design
  • Handle: With a shoe mount for astronomical accessories; tool-free removal
  • Tripod mount: With 1/4" and 3/8" threaded holes
  • Dovetail plate: Vixen-style, 200 mm, with hand knobs
  • Rotation: 360°, with independent locking screws
  • Mount: Equatorial
  • Experience level: Experienced

Manufacturer

Dimensions

Type
Dioptric
Lens Diameter
55 mm
Mount Type
Equator

User Level

Beginner
No
Familiar
No
Experienced
Yes

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

1.070,00 €
14,00 €   shipping cost