Askar 130PHQ f/7.7 Petzval Refractor Telescope
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- All Sharpstar/Askar refractors undergo physical, mechanical and optical QC inspections at the factory, and an inspection checklist is included with each telescope.
- We may partially open the scope boxes to ensure that the scope has been inspected/certified by the manufacturer but we do not open the scope and inspect it again.
- However, if you would like us to perform a mechanical and cosmetic inspection of your telescope again before we ship it, just request this in the comments field when you place your order. We will be happy to do this at no extra cost for this scope, but this will delay your shipment by 1-2 business days. Note that we are unable to perform optical tests/inspections.
- 130mm aperture with f/7.7 quadruplet Petzval design for sharp, flat-field imaging
- Two ED glass elements remove color errors for accurate results
- Built-in field flattener for edge-to-edge sharpness without extra accessories
- Premium dual-speed 3.4" rack-and-pinion focuser guarantees smooth, stable focus
- Tough, portable construction for easy setup at home or under remote skies
- Camera-ready design with no back-focus guesswork required
Askar 130PHQ: Flat-Field Precision for Astrophotography Perfection!
The Askar 130PHQ Petzval refractor is the ultimate solution for astrophotographers who demand perfect, flat-field images, simple setup, and tough build in one elegant package. Capture your best deep-sky images yet, without the hassle of extra accessories or guesswork. At 130mm of aperture and with 1000mm of focal length, you can expect crystal clear results with most camera configurations. The 130PHQ is well-suited to every kind of target, from giant nebulae to star clusters on the edge of the galaxy.
Agena Astro affiliate Nico Carver (@NebulaPhotos) does a full test and review of the Askar 130PHQ
Askar 130PHQ 130mm Astrograph Highlights
Petzval Quadruplet Optics
A unique four-element, three-group design (with two ED elements) ensures perfect star shapes across a completely flat imaging plane, making it perfect for demanding wide-field astro imaging.
Visual Observations
The 130PHQ can work with visual or imaging configurations. Standard eyepieces and diagonals generally work. As long as the combination you use takes up less than 148.5mm of focus travel.
Perfect Color Correction
The Askar PHQ series quadruplet lens uses two ED glass elements to completely correct chromatic and other aberrations found in lesser glass.
Premium Optics for Maximum Performance
Every element of the Askar 130PHQ's optical system is chosen to optimize performance. The most important of which are two Extra-Low Dispersion (ED) glass elements. These allow the scope to deliver crisp, true color. They provide excellent control of chromatic aberration. Askar's optical testing shows incredibly small RMS spot sizes. This means light rays concentrate into tight, sharp points across the entire sensor instead of spreading out and looking soft. As can be seen in the manufacturer's spot diagrams, the 130PHQ offers excellent performance from center to edge.
Optimized for Large Sensors
Built for modern astrophotography, the 130PHQ provides a generous 60mm image circle. It covers full-frame and APS-C sensors with crisp, uniform detail. Askar made connection easy too, with M68, M54, and M48 thread adapters included. Proper configuration will be critical to prevent vignetting. But if everything has been set up correctly, you can expect outstanding results across your entire field of view. This flexibility makes the 130PHQ perfect for wide nebulae, sprawling star fields, and even massive deep-sky mosaics
Precision Dual-Speed Focuser
The 130PHQ features a tough 3.4" dual-speed rack-and-pinion focuser. It's built for smooth, repeatable focusing under heavy imaging loads. The rotatable drawtube and precision bearings make framing and fine adjustments easy. This is critical for achieving razor-sharp results with high-resolution sensors. Enjoy firm position lock, zero flex, and consistently perfect focus night after night. Spend more time imaging and less troubleshooting.
Solid, Portable Engineering
Despite an impressive 130mm aperture, the Askar 130PHQ remains both portable and tough. Precision CNC-machined tube rings, a sturdy dovetail, and a protective carrying case all help ensure easy transport and reliable performance. Use it in the field or observatory. The lightweight yet solid construction resists bending during long exposures. And with a total weight of 12.5kg (27.5lbs) you can confidently take this scope anywhere your dark-sky adventures lead.
Optional 0.7x Focal Reducer for Wider, Faster Imaging
Want to capture more sky in less time? The optional 0.7x flat-field reducer transforms the 130PHQ into a faster f/5.4 system with 700mm focal length. This upgrade effectively reduces exposure times while widening your field of view. Perfect for capturing large nebulae and expansive star fields. The high-quality reducer features ED glass and maintains edge-to-edge sharpness across the entire image plane.
Specifications
-
Aperture Size: 130 mm (5.12")
-
Focal Length: 1,000 mm (39.37")
-
Focal Ratio: f/7.7
-
Optical Configuration: Triplet air-spaced APO (including two ED glass elements) with a singlet rear field corrector lens (Quadruplet design)
-
Image Circle: 60 mm (2.36")
-
Dew Shield Outer Diameter (OD): 169 mm (6.65")
-
Maximum Accessory Connection / Backfocus (With focuser fully retracted):
-
Imaging Mode:
-
116 mm (4.57") from the base of the M48×0.75 male thread
-
136 mm (5.35") from the base of the M54×0.75 male thread
-
156 mm (6.14") from the base of the M68×1 male thread
-
186 mm (7.32") from the base of the M76×1 male thread
-
-
Observing Mode:
-
148.5 mm (5.85") from the end of the 2" eyepiece holder
-
-
-
Total Length:
-
842.5 mm (33.17") including 1.25" eyepiece holder with dew shield contracted
-
889.5 mm (35.02") including 1.25" eyepiece holder with dew shield fully stretched
-
1,011.5 mm (39.82") including the 4-piece adapter with dew shield contracted
-
1,061.5 mm (41.79") including the 4-piece adapter with dew shield fully stretched
-
-
Net Weight: 10.2 kg (22.49 lbs)
-
Gross Weight (with packaging): 12.5 kg (27.56 lbs)
-
Rear-End Thread Types:
-
M86×1 to M68×1
-
M68×1 to M54×0.75
-
M54×0.75 to M54×0.75
-
M54×0.75 to M48×0.75 (includes built-in 2" M48×0.75 filter thread inside)
-
Frequently Asked Questions
1. Do I need to buy a separate field flattener for the Askar 130PHQ?
No. The 130PHQ features a built-in Petzval field flattener, so you get edge-to-edge sharp stars right out of the box. This saves you money and eliminates the frustration of calculating correct back-focus spacing.
2. Does the Askar 130PHQ require collimation or special maintenance?
No. As a refractor, the 130PHQ arrives fully collimated from the factory and maintains alignment extremely well. There's no mirror collimation needed like with reflector telescopes. Simply keep the lenses clean with proper cleaning tools, and your scope will deliver sharp images for years.
3. What mount should I use for the Askar 130PHQ?
The 130PHQ weighs approximately 27.5 lbs (without accessories). You'll need a sturdy equatorial mount rated for at least 30-35 lbs total payload when cameras and accessories are attached. Popular choices that would work include the iOptron CEM70, Sky-Watcher EQ6-R Pro, and ZWO AM5 (with a solid tripod).
4. Can I use the optional 0.7x reducer with any camera?
Yes, as long as that camera has 55mm of backspacing. The optional 0.7x reducer maintains flat-field performance, but requires a set backspacing distance. The same adapters included with the main scope are also provided. M68, M54, and M48 all provide easy camera connection for the majority of modern cameras.
5. What types of deep-sky objects work best with the Askar 130PHQ?
The 130PHQ excels at capturing large nebulae, galaxies, and star clusters. Its 1000mm focal length and flat field make it perfect for targets like the Andromeda Galaxy, Orion Nebula, North America Nebula, and wide Milky Way star fields.
Other Information
- Country of Manufacture: China
Askar 130PHQ: Flat-Field Precision for Astrophotography Perfection!
The Askar 130PHQ Petzval refractor is the ultimate solution for astrophotographers who demand perfect, flat-field images, simple setup, and tough build in one elegant package. Capture your best deep-sky images yet, without the hassle of extra accessories or guesswork. At 130mm of aperture and with 1000mm of focal length, you can expect crystal clear results with most camera configurations. The 130PHQ is well-suited to every kind of target, from giant nebulae to star clusters on the edge of the galaxy.
Agena Astro affiliate Nico Carver (@NebulaPhotos) does a full test and review of the Askar 130PHQ
Askar 130PHQ 130mm Astrograph Highlights
Petzval Quadruplet Optics
A unique four-element, three-group design (with two ED elements) ensures perfect star shapes across a completely flat imaging plane, making it perfect for demanding wide-field astro imaging.
Visual Observations
The 130PHQ can work with visual or imaging configurations. Standard eyepieces and diagonals generally work. As long as the combination you use takes up less than 148.5mm of focus travel.
Perfect Color Correction
The Askar PHQ series quadruplet lens uses two ED glass elements to completely correct chromatic and other aberrations found in lesser glass.
Premium Optics for Maximum Performance
Every element of the Askar 130PHQ's optical system is chosen to optimize performance. The most important of which are two Extra-Low Dispersion (ED) glass elements. These allow the scope to deliver crisp, true color. They provide excellent control of chromatic aberration. Askar's optical testing shows incredibly small RMS spot sizes. This means light rays concentrate into tight, sharp points across the entire sensor instead of spreading out and looking soft. As can be seen in the manufacturer's spot diagrams, the 130PHQ offers excellent performance from center to edge.
Optimized for Large Sensors
Built for modern astrophotography, the 130PHQ provides a generous 60mm image circle. It covers full-frame and APS-C sensors with crisp, uniform detail. Askar made connection easy too, with M68, M54, and M48 thread adapters included. Proper configuration will be critical to prevent vignetting. But if everything has been set up correctly, you can expect outstanding results across your entire field of view. This flexibility makes the 130PHQ perfect for wide nebulae, sprawling star fields, and even massive deep-sky mosaics
Precision Dual-Speed Focuser
The 130PHQ features a tough 3.4" dual-speed rack-and-pinion focuser. It's built for smooth, repeatable focusing under heavy imaging loads. The rotatable drawtube and precision bearings make framing and fine adjustments easy. This is critical for achieving razor-sharp results with high-resolution sensors. Enjoy firm position lock, zero flex, and consistently perfect focus night after night. Spend more time imaging and less troubleshooting.
Solid, Portable Engineering
Despite an impressive 130mm aperture, the Askar 130PHQ remains both portable and tough. Precision CNC-machined tube rings, a sturdy dovetail, and a protective carrying case all help ensure easy transport and reliable performance. Use it in the field or observatory. The lightweight yet solid construction resists bending during long exposures. And with a total weight of 12.5kg (27.5lbs) you can confidently take this scope anywhere your dark-sky adventures lead.
Optional 0.7x Focal Reducer for Wider, Faster Imaging
Want to capture more sky in less time? The optional 0.7x flat-field reducer transforms the 130PHQ into a faster f/5.4 system with 700mm focal length. This upgrade effectively reduces exposure times while widening your field of view. Perfect for capturing large nebulae and expansive star fields. The high-quality reducer features ED glass and maintains edge-to-edge sharpness across the entire image plane.
Specifications
-
Aperture Size: 130 mm (5.12")
-
Focal Length: 1,000 mm (39.37")
-
Focal Ratio: f/7.7
-
Optical Configuration: Triplet air-spaced APO (including two ED glass elements) with a singlet rear field corrector lens (Quadruplet design)
-
Image Circle: 60 mm (2.36")
-
Dew Shield Outer Diameter (OD): 169 mm (6.65")
-
Maximum Accessory Connection / Backfocus (With focuser fully retracted):
-
Imaging Mode:
-
116 mm (4.57") from the base of the M48×0.75 male thread
-
136 mm (5.35") from the base of the M54×0.75 male thread
-
156 mm (6.14") from the base of the M68×1 male thread
-
186 mm (7.32") from the base of the M76×1 male thread
-
-
Observing Mode:
-
148.5 mm (5.85") from the end of the 2" eyepiece holder
-
-
-
Total Length:
-
842.5 mm (33.17") including 1.25" eyepiece holder with dew shield contracted
-
889.5 mm (35.02") including 1.25" eyepiece holder with dew shield fully stretched
-
1,011.5 mm (39.82") including the 4-piece adapter with dew shield contracted
-
1,061.5 mm (41.79") including the 4-piece adapter with dew shield fully stretched
-
-
Net Weight: 10.2 kg (22.49 lbs)
-
Gross Weight (with packaging): 12.5 kg (27.56 lbs)
-
Rear-End Thread Types:
-
M86×1 to M68×1
-
M68×1 to M54×0.75
-
M54×0.75 to M54×0.75
-
M54×0.75 to M48×0.75 (includes built-in 2" M48×0.75 filter thread inside)
-
Frequently Asked Questions
1. Do I need to buy a separate field flattener for the Askar 130PHQ?
No. The 130PHQ features a built-in Petzval field flattener, so you get edge-to-edge sharp stars right out of the box. This saves you money and eliminates the frustration of calculating correct back-focus spacing.
2. Does the Askar 130PHQ require collimation or special maintenance?
No. As a refractor, the 130PHQ arrives fully collimated from the factory and maintains alignment extremely well. There's no mirror collimation needed like with reflector telescopes. Simply keep the lenses clean with proper cleaning tools, and your scope will deliver sharp images for years.
3. What mount should I use for the Askar 130PHQ?
The 130PHQ weighs approximately 27.5 lbs (without accessories). You'll need a sturdy equatorial mount rated for at least 30-35 lbs total payload when cameras and accessories are attached. Popular choices that would work include the iOptron CEM70, Sky-Watcher EQ6-R Pro, and ZWO AM5 (with a solid tripod).
4. Can I use the optional 0.7x reducer with any camera?
Yes, as long as that camera has 55mm of backspacing. The optional 0.7x reducer maintains flat-field performance, but requires a set backspacing distance. The same adapters included with the main scope are also provided. M68, M54, and M48 all provide easy camera connection for the majority of modern cameras.
5. What types of deep-sky objects work best with the Askar 130PHQ?
The 130PHQ excels at capturing large nebulae, galaxies, and star clusters. Its 1000mm focal length and flat field make it perfect for targets like the Andromeda Galaxy, Orion Nebula, North America Nebula, and wide Milky Way star fields.
- 1x Askar 130PHQ Optical Tube Assembly (OTA)
- 1x 3.4" dual-speed focuser, rotatable
- 1x Quality CNC tube rings and precision dovetail plate
- 1x Hard carrying/storage case
- 1x Camera adapters (see product details)
- 1x Dust caps and all original packaging
- All Sharpstar/Askar refractors undergo physical, mechanical and optical QC inspections at the factory, and an inspection checklist is included with each telescope.
- We may partially open the scope boxes to ensure that the scope has been inspected/certified by the manufacturer but we do not open the scope and inspect it again.
- However, if you would like us to perform a mechanical and cosmetic inspection of your telescope again before we ship it, just request this in the comments field when you place your order. We will be happy to do this at no extra cost for this scope, but this will delay your shipment by 1-2 business days. Note that we are unable to perform optical tests/inspections.
- 130mm aperture with f/7.7 quadruplet Petzval design for sharp, flat-field imaging
- Two ED glass elements remove color errors for accurate results
- Built-in field flattener for edge-to-edge sharpness without extra accessories
- Premium dual-speed 3.4" rack-and-pinion focuser guarantees smooth, stable focus
- Tough, portable construction for easy setup at home or under remote skies
- Camera-ready design with no back-focus guesswork required
Askar 130PHQ: Flat-Field Precision for Astrophotography Perfection!
The Askar 130PHQ Petzval refractor is the ultimate solution for astrophotographers who demand perfect, flat-field images, simple setup, and tough build in one elegant package. Capture your best deep-sky images yet, without the hassle of extra accessories or guesswork. At 130mm of aperture and with 1000mm of focal length, you can expect crystal clear results with most camera configurations. The 130PHQ is well-suited to every kind of target, from giant nebulae to star clusters on the edge of the galaxy.
Agena Astro affiliate Nico Carver (@NebulaPhotos) does a full test and review of the Askar 130PHQ
Askar 130PHQ 130mm Astrograph Highlights
Petzval Quadruplet Optics
A unique four-element, three-group design (with two ED elements) ensures perfect star shapes across a completely flat imaging plane, making it perfect for demanding wide-field astro imaging.
Visual Observations
The 130PHQ can work with visual or imaging configurations. Standard eyepieces and diagonals generally work. As long as the combination you use takes up less than 148.5mm of focus travel.
Perfect Color Correction
The Askar PHQ series quadruplet lens uses two ED glass elements to completely correct chromatic and other aberrations found in lesser glass.
Premium Optics for Maximum Performance
Every element of the Askar 130PHQ's optical system is chosen to optimize performance. The most important of which are two Extra-Low Dispersion (ED) glass elements. These allow the scope to deliver crisp, true color. They provide excellent control of chromatic aberration. Askar's optical testing shows incredibly small RMS spot sizes. This means light rays concentrate into tight, sharp points across the entire sensor instead of spreading out and looking soft. As can be seen in the manufacturer's spot diagrams, the 130PHQ offers excellent performance from center to edge.
Optimized for Large Sensors
Built for modern astrophotography, the 130PHQ provides a generous 60mm image circle. It covers full-frame and APS-C sensors with crisp, uniform detail. Askar made connection easy too, with M68, M54, and M48 thread adapters included. Proper configuration will be critical to prevent vignetting. But if everything has been set up correctly, you can expect outstanding results across your entire field of view. This flexibility makes the 130PHQ perfect for wide nebulae, sprawling star fields, and even massive deep-sky mosaics
Precision Dual-Speed Focuser
The 130PHQ features a tough 3.4" dual-speed rack-and-pinion focuser. It's built for smooth, repeatable focusing under heavy imaging loads. The rotatable drawtube and precision bearings make framing and fine adjustments easy. This is critical for achieving razor-sharp results with high-resolution sensors. Enjoy firm position lock, zero flex, and consistently perfect focus night after night. Spend more time imaging and less troubleshooting.
Solid, Portable Engineering
Despite an impressive 130mm aperture, the Askar 130PHQ remains both portable and tough. Precision CNC-machined tube rings, a sturdy dovetail, and a protective carrying case all help ensure easy transport and reliable performance. Use it in the field or observatory. The lightweight yet solid construction resists bending during long exposures. And with a total weight of 12.5kg (27.5lbs) you can confidently take this scope anywhere your dark-sky adventures lead.
Optional 0.7x Focal Reducer for Wider, Faster Imaging
Want to capture more sky in less time? The optional 0.7x flat-field reducer transforms the 130PHQ into a faster f/5.4 system with 700mm focal length. This upgrade effectively reduces exposure times while widening your field of view. Perfect for capturing large nebulae and expansive star fields. The high-quality reducer features ED glass and maintains edge-to-edge sharpness across the entire image plane.
Specifications
-
Aperture Size: 130 mm (5.12")
-
Focal Length: 1,000 mm (39.37")
-
Focal Ratio: f/7.7
-
Optical Configuration: Triplet air-spaced APO (including two ED glass elements) with a singlet rear field corrector lens (Quadruplet design)
-
Image Circle: 60 mm (2.36")
-
Dew Shield Outer Diameter (OD): 169 mm (6.65")
-
Maximum Accessory Connection / Backfocus (With focuser fully retracted):
-
Imaging Mode:
-
116 mm (4.57") from the base of the M48×0.75 male thread
-
136 mm (5.35") from the base of the M54×0.75 male thread
-
156 mm (6.14") from the base of the M68×1 male thread
-
186 mm (7.32") from the base of the M76×1 male thread
-
-
Observing Mode:
-
148.5 mm (5.85") from the end of the 2" eyepiece holder
-
-
-
Total Length:
-
842.5 mm (33.17") including 1.25" eyepiece holder with dew shield contracted
-
889.5 mm (35.02") including 1.25" eyepiece holder with dew shield fully stretched
-
1,011.5 mm (39.82") including the 4-piece adapter with dew shield contracted
-
1,061.5 mm (41.79") including the 4-piece adapter with dew shield fully stretched
-
-
Net Weight: 10.2 kg (22.49 lbs)
-
Gross Weight (with packaging): 12.5 kg (27.56 lbs)
-
Rear-End Thread Types:
-
M86×1 to M68×1
-
M68×1 to M54×0.75
-
M54×0.75 to M54×0.75
-
M54×0.75 to M48×0.75 (includes built-in 2" M48×0.75 filter thread inside)
-
Frequently Asked Questions
1. Do I need to buy a separate field flattener for the Askar 130PHQ?
No. The 130PHQ features a built-in Petzval field flattener, so you get edge-to-edge sharp stars right out of the box. This saves you money and eliminates the frustration of calculating correct back-focus spacing.
2. Does the Askar 130PHQ require collimation or special maintenance?
No. As a refractor, the 130PHQ arrives fully collimated from the factory and maintains alignment extremely well. There's no mirror collimation needed like with reflector telescopes. Simply keep the lenses clean with proper cleaning tools, and your scope will deliver sharp images for years.
3. What mount should I use for the Askar 130PHQ?
The 130PHQ weighs approximately 27.5 lbs (without accessories). You'll need a sturdy equatorial mount rated for at least 30-35 lbs total payload when cameras and accessories are attached. Popular choices that would work include the iOptron CEM70, Sky-Watcher EQ6-R Pro, and ZWO AM5 (with a solid tripod).
4. Can I use the optional 0.7x reducer with any camera?
Yes, as long as that camera has 55mm of backspacing. The optional 0.7x reducer maintains flat-field performance, but requires a set backspacing distance. The same adapters included with the main scope are also provided. M68, M54, and M48 all provide easy camera connection for the majority of modern cameras.
5. What types of deep-sky objects work best with the Askar 130PHQ?
The 130PHQ excels at capturing large nebulae, galaxies, and star clusters. Its 1000mm focal length and flat field make it perfect for targets like the Andromeda Galaxy, Orion Nebula, North America Nebula, and wide Milky Way star fields.
Other Information
- Country of Manufacture: China
| Telescope Focal Length | 901 - 1000mm |
|---|
- 1x Askar 130PHQ Optical Tube Assembly (OTA)
- 1x 3.4" dual-speed focuser, rotatable
- 1x Quality CNC tube rings and precision dovetail plate
- 1x Hard carrying/storage case
- 1x Camera adapters (see product details)
- 1x Dust caps and all original packaging
Askar 130PHQ f/7.7 Petzval Refractor Telescope