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IMPORTANT: Our store is located in Canada. All orders that include products manufactured outside of Canada or USA will be subject to tariffs and duties, regardless of the order value. US customers are responsible for all applicable duties and tariffs, and those will be billed by the carrier, except for the Lacerta upgrade kit, for which we collect them at checkout.
IMPORTANT: Our store is located in Canada. All orders that include products manufactured outside of Canada or USA will be subject to tariffs and duties, regardless of the order value. US customers are responsible for all applicable duties and tariffs, and those will be billed by the carrier, except for the Lacerta upgrade kit, for which we collect them at checkout.
Askar SQA60 Pro 60mm f/4.6 Sextuplet APO
Askar SQA60 Pro 60mm f/4.6 Sextuplet APO
Askar SQA60 Pro 60mm f/4.6 Sextuplet APO
Askar SQA60 Pro 60mm f/4.6 Sextuplet APO
Askar SQA60 Pro 60mm f/4.6 Sextuplet APO
Askar SQA60 Pro 60mm f/4.6 Sextuplet APO

Askar SQA60 Pro 60mm f/4.6 Sextuplet APO

by Askar
SKU ASK-SQA60
$1,293.70 - $1,293.70
$1,293.70
$1,293.70 - $1,293.70
$1,293.70
Price Match Policy!
  • 60mm Aperture Sextuplet APO Optics
  • 276mm Focal Length at a Fast f/4.6
  • 44mm Full-Frame Corrected Image Circle
  • Integrated Petzval Design with 2 SD Glass Elements
  • 3.54kg Gross Weight with Rings and Plate
3 in stock
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  • Description
  • FAQ
  • Specifications
  • In the Box
  • Downloads
  • Warranty

  • Askar SQA60 Pro 60mm f/4.6 Sextuplet APO

    The Askar SQA60 Pro integrates a 60mm sextuplet APO optical system into a compact tube, delivering a 276mm focal length at a fast f/4.6. Its Petzval design, incorporating two SD glass elements, produces a corrected 44mm image circle for full-frame sensors, all within a 283mm-long OTA weighing just 2.79kg.

    Sextuplet Petzval Optics: A 44mm Flat Field at f/4.6

    The SQA60 Pro's optical core is a six-element Petzval apochromat, engineered to deliver a flat field across a 44mm image circle without an external flattener. This integrated design uses two pieces of Super-low Dispersion (SD) glass to ensure sharp, high-contrast stars with negligible chromatic aberration, even on bright targets. The native f/4.6 focal ratio gathers significant light quickly, reducing sub-exposure times needed to capture faint details in nebulae like the North American Nebula (NGC 7000) or the Heart Nebula (IC 1805).

    Imaging-Ready Mechanics: 3.54kg Gross Weight and 41-66mm Back Focus

    Engineered for portability and stability, the SQA60 Pro has a gross weight of 3.54kg with its tube ring and dovetail, making it a perfect match for lightweight tracking mounts. The telescope's rear M48 adapter includes standard M48x0.75 filter threads and supports a flexible back focus distance from 41mm to 66mm. This range accommodates a wide variety of cameras, filter wheels, and off-axis guiders, with a recommended spacing of 55mm for optimal performance with most standard imaging trains.

    SQA60 Pro: Eliminating the 2-Part Doublet + Flattener System

    Unlike a conventional refractor that requires a separate, carefully spaced flattener, the SQA60 Pro's sextuplet design corrects for field curvature internally. This single-tube solution removes the potential for tilt and spacing errors that can compromise a two-part optical system. The trade-off for this guaranteed performance is a fixed focal length; however, for wide-field imagers seeking a reliable, grab-and-go instrument, the SQA60 Pro's integrated approach is a significant advantage.

  • What kind of targets is the Askar SQA60 Pro's 276mm focal length best for?

    The Askar SQA60 Pro, with its 276mm focal length, is ideal for large deep-sky objects and wide star fields. It can frame massive targets like the Andromeda Galaxy (M31), the entire Veil Nebula complex, or the Rho Ophiuchi cloud complex in a single shot using a full-frame camera.

    How do I set the correct back focus for my camera with the Askar SQA60 Pro?

    The Askar SQA60 Pro supports a back focus range of 41mm to 66mm from the M48 thread. The recommended distance is 55mm, which is the standard for most DSLR/mirrorless cameras with a T-ring and many dedicated astronomy cameras. You simply add or remove spacers in your imaging train to achieve this distance for optimal star shapes across the field.

    Does the Askar SQA60 Pro require a separate field flattener?

    No. The Askar SQA60 Pro features an integrated sextuplet Petzval optical design. This means the field-flattening elements are built directly into the main telescope tube, so it produces a flat field out of the box without needing any additional corrective optics.

    Can I use full-frame cameras with the Askar SQA60 Pro?

    Yes. The telescope is designed to fully illuminate and correct a 44mm image circle, making it perfectly compatible with full-frame (36x24mm) sensors. You will not experience significant vignetting or distorted stars at the edge of a full-frame sensor.

    What size mount do I need for the 3.54kg Askar SQA60 Pro?

    With a fully loaded weight of 3.54kg (plus your camera and guide scope), the Askar SQA60 Pro is well-suited for portable tracking mounts in the 10-15kg payload class. Mounts like the Sky-Watcher HEQ5, iOptron CEM26/GEM28, or similar models will provide excellent stability for imaging.

    How does the Askar SQA60 Pro's f/4.6 ratio affect my exposure times?

    The fast f/4.6 focal ratio allows the Askar SQA60 Pro to collect light much faster than a typical f/6 or f/7 refractor. This means you can use shorter sub-exposures to capture the same amount of detail, which helps minimize issues with tracking errors, satellites, and changing sky conditions.

  • Aperture Size 60mm
    Focal Length 276mm
    Focal Ratio f/4.6
    Objective Lens Sextuplet Petzval APO (includes 2 SD glass elements)
    Image Circle 44mm (Full Frame)
    Total Length 283mm
    OTA Weight 2.79kg
    Gross Weight 3.54kg (including tube ring and dovetail plate)
    Rear-end Thread M48 Adapter (with M48×0.75 filter thread)
    Back Focus Distance 41mm - 66mm range (55mm recommended)

    • SQA60 Pro OTA

      × 1

    • Oxford Cloth Case

      × 1

  • Askar 1-Year Warranty