Askar SQA60 Pro f/4.6 Sextuplet Petzval APO Astrograph
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- Ditch the complex backfocus calculations—as long as your camera is in focus, your stars will be sharp corner to corner
- Built with two premium SD glass elements eliminating color fringing
- The clever tool-free tube rings physically prevent you from mounting the telescope backward, plus a raised base to avoid collisions
- Includes a rugged Oxford cloth case with custom pre-cut foam that fits the telescope even with a ZWO EAF electronic focuser still attached
Meet Your New Wide-Field Obsession: The Askar SQA60 Pro!
Ready to drop the headache of backfocus calculations and capture deep-space masterpieces instead? Say hello to the Askar SQA60 Pro f/4.6 Sextuplet Petzval Astrograph. It is the ultimate grab-and-go dream rig for serious astrophotographers and deep-sky enthusiasts! Askar took the premium optics from their elite SQA lineup and shrunk them into a fast, ultra-portable package. Built around a masterpiece 6-element Sextuplet Petzval optical design (including two premium SD glass elements), this little beast completely eliminates chromatic aberration. The best part? Because it is a native Petzval, you can completely ditch the annoying math. As long as your camera is in focus, your stars will look sharp, round, and pin-point perfect. They will stay sharp across full-frame sensors, from corner to corner.
Standout Advantages of the SQA60 Pro
Exceptional Performance
The SQA60 pro features a 60mm aperture, 276mm focal length, and f/4.6 focal ratio. Its sextuplet air-spaced lens design—including 2 pieces of SD glass elements—delivers pinpoint stars across the field. The RMS radius of the central star point is less than 1μm, while corner star points remain under 2.1μm. The system also offers excellent full-field illumination performance.
Sextuplet Air-Spaced
The optical system utilizes a sophisticated sextuplet (3-2-1) air-spaced Petzval lens configuration, balancing superb optical performance with structural integrity. The 2nd and 4th elements use high-quality SD glass to reduce chromatic aberration and improve sharpness. Notably, the 4th and 5th elements keep the same clear aperture as the front lens. This rare feature ensures bright, even illumination. It also delivers an exceptionally flat field across a full-frame sensor.
Integrated Field Flattener
This built-in, full-frame, self-flattening design removes the need for a separate flattener. It also eliminates complex back-focus calculations. Simply achieve focus with a connection distance between 41mm and 66mm, and you're ready to image.
Adventure Ready
The SQA60 Pro comes standard with a dedicated Oxford cloth portable case. The interior is thoughtfully designed with space reserved for EAF installation, allowing for grab-and-go convenience. Additional cutouts are also provided for storing various astronomy accessories, making it easy for both travel and everyday storage. (Accessories shown are for display only, not included)
Dovetail Plate Details
A standard 290 mm (11.4 in) Vixen-style dovetail plate ensures smooth and easy attachment. Integrated scale markings provide a clear visual reference, making precise and quick balance adjustments.
Large 2.8" Rigid Dual-Speed Focuser
A high-precision, rack-and-pinion dual-speed focuser compatible with most electronic focuser upgrades. It features a 23mm travel with a finely engraved scale on the drawtube. The CNC-machined drawtube incorporates internal baffle threads and anti reflective coating for superior stray light control. The SQA60 Pro is made from fully CNC-machined parts with a professional, fine oxidized coating, showing its high-end quality.
Dual Base Finders
Finder bases sit on both sides of the focuser.
You can switch the finder’s position or mount other accessories without disassembly. A 360° rotator with an engraved scale enables precise and repeatable camera angle adjustments. An enlarged locking knob ensures secure holding, even under heavy loads.
Premium Telescope Tube Rings
These lightweight, one-piece tube rings are designed to make setting up your telescope quick and stress-free. They feature enlarged thumb screws so you can securely clamp or adjust the telescope by hand—no tools required!
A built-in top carry handle makes moving your gear safe and easy. It also doubles as a mounting slot for extra accessories, like finder scopes. The base is also raised to give your telescope extra clearance. This helps prevent it from bumping into your tripod mount while tracking the stars. Best of all, the inside of the rings has a clever stepped design. It clearly shows which way to install them. This removes guesswork, so you never mount your telescope backward.
Rear-End Filter Threading
The rear of the SQA60pro has a standard M48 adapter and a built-in 2" filter thread. It works with many professional astronomical cameras.
Optical Path
The SQA60 Pro is a sextuplet air-spaced lens design, including 2 pieces of SD glass.
Relative illumination
Relative Illumination (RI) shows the combined effect of light loss and corner shading in a lens. The RI curve shows how illuminance (%) changes across the sensor’s imaging area. Illumination variations can adversely affect the image. The vertical axis shows different percentages of sample illumination intensity. The horizontal axis shows the distance from the frame center to the edge. Even at the edges of a full-frame sensor, the SQA60 Pro keeps over 95% of the light.
It also reduces vignetting.
Anatomy of the SQA60 Pro!
Specifications
-
Objective Lens: Sextuplet Petzval APO (includes 2 pieces of SD glass)
-
Aperture Size: 60 mm
-
Focal Length: 276 mm
-
Focal Ratio: f/4.6
-
Image Circle: 44 mm (Full-Frame Certified)
-
Focuser: 2.8" Dual-Speed Rack & Pinion (R&P)
-
Electronic Autofocuser (EAF) Compatibility: Yes (Native Support)
-
Total OTA Length w/ accessories: 283 mm (11 in)
-
OTA Weight: 2.79 kg (6.15 lb)
-
Gross Imaging Weight: 3.54 kg (7.8 lb) (Includes tube rings and dovetail plate)
-
Rear-End Thread Type: M48 Adapter (With built-in standard 2" filter thread)
-
Back Spacing Range: Supports 41 mm – 66 mm
-
Recommended Back Spacing: 55 mm (Standard industry default)
Askar SQA60 Pro Mechanical Diagrams
Product Size
Camera Connection
The Locking Screw Position
Electronic Focuser Assembly
Other Information
- Country of Manufacture: China
Meet Your New Wide-Field Obsession: The Askar SQA60 Pro!
Ready to drop the headache of backfocus calculations and capture deep-space masterpieces instead? Say hello to the Askar SQA60 Pro f/4.6 Sextuplet Petzval Astrograph. It is the ultimate grab-and-go dream rig for serious astrophotographers and deep-sky enthusiasts! Askar took the premium optics from their elite SQA lineup and shrunk them into a fast, ultra-portable package. Built around a masterpiece 6-element Sextuplet Petzval optical design (including two premium SD glass elements), this little beast completely eliminates chromatic aberration. The best part? Because it is a native Petzval, you can completely ditch the annoying math. As long as your camera is in focus, your stars will look sharp, round, and pin-point perfect. They will stay sharp across full-frame sensors, from corner to corner.
Standout Advantages of the SQA60 Pro
Exceptional Performance
The SQA60 pro features a 60mm aperture, 276mm focal length, and f/4.6 focal ratio. Its sextuplet air-spaced lens design—including 2 pieces of SD glass elements—delivers pinpoint stars across the field. The RMS radius of the central star point is less than 1μm, while corner star points remain under 2.1μm. The system also offers excellent full-field illumination performance.
Sextuplet Air-Spaced
The optical system utilizes a sophisticated sextuplet (3-2-1) air-spaced Petzval lens configuration, balancing superb optical performance with structural integrity. The 2nd and 4th elements use high-quality SD glass to reduce chromatic aberration and improve sharpness. Notably, the 4th and 5th elements keep the same clear aperture as the front lens. This rare feature ensures bright, even illumination. It also delivers an exceptionally flat field across a full-frame sensor.
Integrated Field Flattener
This built-in, full-frame, self-flattening design removes the need for a separate flattener. It also eliminates complex back-focus calculations. Simply achieve focus with a connection distance between 41mm and 66mm, and you're ready to image.
Adventure Ready
The SQA60 Pro comes standard with a dedicated Oxford cloth portable case. The interior is thoughtfully designed with space reserved for EAF installation, allowing for grab-and-go convenience. Additional cutouts are also provided for storing various astronomy accessories, making it easy for both travel and everyday storage. (Accessories shown are for display only, not included)
Dovetail Plate Details
A standard 290 mm (11.4 in) Vixen-style dovetail plate ensures smooth and easy attachment. Integrated scale markings provide a clear visual reference, making precise and quick balance adjustments.
Large 2.8" Rigid Dual-Speed Focuser
A high-precision, rack-and-pinion dual-speed focuser compatible with most electronic focuser upgrades. It features a 23mm travel with a finely engraved scale on the drawtube. The CNC-machined drawtube incorporates internal baffle threads and anti reflective coating for superior stray light control. The SQA60 Pro is made from fully CNC-machined parts with a professional, fine oxidized coating, showing its high-end quality.
Dual Base Finders
Finder bases sit on both sides of the focuser.
You can switch the finder’s position or mount other accessories without disassembly. A 360° rotator with an engraved scale enables precise and repeatable camera angle adjustments. An enlarged locking knob ensures secure holding, even under heavy loads.
Premium Telescope Tube Rings
These lightweight, one-piece tube rings are designed to make setting up your telescope quick and stress-free. They feature enlarged thumb screws so you can securely clamp or adjust the telescope by hand—no tools required!
A built-in top carry handle makes moving your gear safe and easy. It also doubles as a mounting slot for extra accessories, like finder scopes. The base is also raised to give your telescope extra clearance. This helps prevent it from bumping into your tripod mount while tracking the stars. Best of all, the inside of the rings has a clever stepped design. It clearly shows which way to install them. This removes guesswork, so you never mount your telescope backward.
Rear-End Filter Threading
The rear of the SQA60pro has a standard M48 adapter and a built-in 2" filter thread. It works with many professional astronomical cameras.
Optical Path
The SQA60 Pro is a sextuplet air-spaced lens design, including 2 pieces of SD glass.
Relative illumination
Relative Illumination (RI) shows the combined effect of light loss and corner shading in a lens. The RI curve shows how illuminance (%) changes across the sensor’s imaging area. Illumination variations can adversely affect the image. The vertical axis shows different percentages of sample illumination intensity. The horizontal axis shows the distance from the frame center to the edge. Even at the edges of a full-frame sensor, the SQA60 Pro keeps over 95% of the light.
It also reduces vignetting.
Anatomy of the SQA60 Pro!
Specifications
-
Objective Lens: Sextuplet Petzval APO (includes 2 pieces of SD glass)
-
Aperture Size: 60 mm
-
Focal Length: 276 mm
-
Focal Ratio: f/4.6
-
Image Circle: 44 mm (Full-Frame Certified)
-
Focuser: 2.8" Dual-Speed Rack & Pinion (R&P)
-
Electronic Autofocuser (EAF) Compatibility: Yes (Native Support)
-
Total OTA Length w/ accessories: 283 mm (11 in)
-
OTA Weight: 2.79 kg (6.15 lb)
-
Gross Imaging Weight: 3.54 kg (7.8 lb) (Includes tube rings and dovetail plate)
-
Rear-End Thread Type: M48 Adapter (With built-in standard 2" filter thread)
-
Back Spacing Range: Supports 41 mm – 66 mm
-
Recommended Back Spacing: 55 mm (Standard industry default)
Askar SQA60 Pro Mechanical Diagrams
Product Size
Camera Connection
The Locking Screw Position
Electronic Focuser Assembly
| Manufacturer | Askar |
|---|---|
| Telescope Focal Length | Up to 300mm |
- 1x SQAPro 60mm astrograph
- 1x 290mm Vixen dovetail
- 2x Finder bases
- 1x Tube ring w/ multi-functional handle
- 1x Front dust cap
- 1x Rear threaded dust cap
- 1x Custom Oxford cloth portable hard case
- Ditch the complex backfocus calculations—as long as your camera is in focus, your stars will be sharp corner to corner
- Built with two premium SD glass elements eliminating color fringing
- The clever tool-free tube rings physically prevent you from mounting the telescope backward, plus a raised base to avoid collisions
- Includes a rugged Oxford cloth case with custom pre-cut foam that fits the telescope even with a ZWO EAF electronic focuser still attached
Meet Your New Wide-Field Obsession: The Askar SQA60 Pro!
Ready to drop the headache of backfocus calculations and capture deep-space masterpieces instead? Say hello to the Askar SQA60 Pro f/4.6 Sextuplet Petzval Astrograph. It is the ultimate grab-and-go dream rig for serious astrophotographers and deep-sky enthusiasts! Askar took the premium optics from their elite SQA lineup and shrunk them into a fast, ultra-portable package. Built around a masterpiece 6-element Sextuplet Petzval optical design (including two premium SD glass elements), this little beast completely eliminates chromatic aberration. The best part? Because it is a native Petzval, you can completely ditch the annoying math. As long as your camera is in focus, your stars will look sharp, round, and pin-point perfect. They will stay sharp across full-frame sensors, from corner to corner.
Standout Advantages of the SQA60 Pro
Exceptional Performance
The SQA60 pro features a 60mm aperture, 276mm focal length, and f/4.6 focal ratio. Its sextuplet air-spaced lens design—including 2 pieces of SD glass elements—delivers pinpoint stars across the field. The RMS radius of the central star point is less than 1μm, while corner star points remain under 2.1μm. The system also offers excellent full-field illumination performance.
Sextuplet Air-Spaced
The optical system utilizes a sophisticated sextuplet (3-2-1) air-spaced Petzval lens configuration, balancing superb optical performance with structural integrity. The 2nd and 4th elements use high-quality SD glass to reduce chromatic aberration and improve sharpness. Notably, the 4th and 5th elements keep the same clear aperture as the front lens. This rare feature ensures bright, even illumination. It also delivers an exceptionally flat field across a full-frame sensor.
Integrated Field Flattener
This built-in, full-frame, self-flattening design removes the need for a separate flattener. It also eliminates complex back-focus calculations. Simply achieve focus with a connection distance between 41mm and 66mm, and you're ready to image.
Adventure Ready
The SQA60 Pro comes standard with a dedicated Oxford cloth portable case. The interior is thoughtfully designed with space reserved for EAF installation, allowing for grab-and-go convenience. Additional cutouts are also provided for storing various astronomy accessories, making it easy for both travel and everyday storage. (Accessories shown are for display only, not included)
Dovetail Plate Details
A standard 290 mm (11.4 in) Vixen-style dovetail plate ensures smooth and easy attachment. Integrated scale markings provide a clear visual reference, making precise and quick balance adjustments.
Large 2.8" Rigid Dual-Speed Focuser
A high-precision, rack-and-pinion dual-speed focuser compatible with most electronic focuser upgrades. It features a 23mm travel with a finely engraved scale on the drawtube. The CNC-machined drawtube incorporates internal baffle threads and anti reflective coating for superior stray light control. The SQA60 Pro is made from fully CNC-machined parts with a professional, fine oxidized coating, showing its high-end quality.
Dual Base Finders
Finder bases sit on both sides of the focuser.
You can switch the finder’s position or mount other accessories without disassembly. A 360° rotator with an engraved scale enables precise and repeatable camera angle adjustments. An enlarged locking knob ensures secure holding, even under heavy loads.
Premium Telescope Tube Rings
These lightweight, one-piece tube rings are designed to make setting up your telescope quick and stress-free. They feature enlarged thumb screws so you can securely clamp or adjust the telescope by hand—no tools required!
A built-in top carry handle makes moving your gear safe and easy. It also doubles as a mounting slot for extra accessories, like finder scopes. The base is also raised to give your telescope extra clearance. This helps prevent it from bumping into your tripod mount while tracking the stars. Best of all, the inside of the rings has a clever stepped design. It clearly shows which way to install them. This removes guesswork, so you never mount your telescope backward.
Rear-End Filter Threading
The rear of the SQA60pro has a standard M48 adapter and a built-in 2" filter thread. It works with many professional astronomical cameras.
Optical Path
The SQA60 Pro is a sextuplet air-spaced lens design, including 2 pieces of SD glass.
Relative illumination
Relative Illumination (RI) shows the combined effect of light loss and corner shading in a lens. The RI curve shows how illuminance (%) changes across the sensor’s imaging area. Illumination variations can adversely affect the image. The vertical axis shows different percentages of sample illumination intensity. The horizontal axis shows the distance from the frame center to the edge. Even at the edges of a full-frame sensor, the SQA60 Pro keeps over 95% of the light.
It also reduces vignetting.
Anatomy of the SQA60 Pro!
Specifications
-
Objective Lens: Sextuplet Petzval APO (includes 2 pieces of SD glass)
-
Aperture Size: 60 mm
-
Focal Length: 276 mm
-
Focal Ratio: f/4.6
-
Image Circle: 44 mm (Full-Frame Certified)
-
Focuser: 2.8" Dual-Speed Rack & Pinion (R&P)
-
Electronic Autofocuser (EAF) Compatibility: Yes (Native Support)
-
Total OTA Length w/ accessories: 283 mm (11 in)
-
OTA Weight: 2.79 kg (6.15 lb)
-
Gross Imaging Weight: 3.54 kg (7.8 lb) (Includes tube rings and dovetail plate)
-
Rear-End Thread Type: M48 Adapter (With built-in standard 2" filter thread)
-
Back Spacing Range: Supports 41 mm – 66 mm
-
Recommended Back Spacing: 55 mm (Standard industry default)
Askar SQA60 Pro Mechanical Diagrams
Product Size
Camera Connection
The Locking Screw Position
Electronic Focuser Assembly
Other Information
- Country of Manufacture: China
| Manufacturer | Askar |
|---|---|
| Telescope Focal Length | Up to 300mm |
- 1x SQAPro 60mm astrograph
- 1x 290mm Vixen dovetail
- 2x Finder bases
- 1x Tube ring w/ multi-functional handle
- 1x Front dust cap
- 1x Rear threaded dust cap
- 1x Custom Oxford cloth portable hard case
Askar SQA60 Pro f/4.6 Sextuplet Petzval APO Astrograph