ToupTek Astro ATLAS Series SH20 Strain Wave Equatorial Mount

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- Precise Tracking: 18-bit encoder, ≤20″ PE, and responsive guiding
- Lightweight & High Payload: 5.1 kg (11.2 lb) body with up to 30 kg (66 lb) payload
- Dual Operating Modes: One-click EQ / Alt-Az switching without restarting
- Open Control Ecosystem: Compatible with major astronomy software and StellaVita
- Versatile Applications: Deep-sky imaging, EAA, visual observation, and Solar System imaging
ToupTek Astro ATLAS Series SH20 Harmonic Drive Mount
Built for astrophotographers who want high payload capacity without the bulk of a traditional equatorial mount, the ToupTek SH20 combines precision tracking with portable performance. Its BLDC servo motor, harmonic reducer, and 18-bit high-precision encoder provide smooth motion and responsive guiding, with a peak-to-peak periodic error of ≤20″. Each mount also includes an individual PE test report.
Weighing just 11.2 lb (5.1 kg), the SH20 supports up to 44 lb (20 kg) without counterweights or 66 lb (30 kg) with optional counterweights. One-click switching between EQ / Alt-Az modes makes it adaptable for deep-sky imaging, visual observation, EAA, sky surveys, and Solar System imaging. ToupTek’s self-developed control system supports PC, Android, and iOS, along with ASCOM, INDI, and INDIGO. Wi-Fi, Bluetooth, and USB-C connectivity also provide integration with NINA, SharpCap, KStars, MaxIm DL, and StellaVita.




Precision Servo Harmonic Drive
The BLDC servo motor, harmonic reducer, and 18-bit encoder work together to provide smooth, precise movement with near-zero backlash. Responsive guiding quickly corrects small tracking errors, helping keep stars sharp during long exposures. The SH20 has a peak-to-peak periodic error of ≤20″, and each mount includes an individual PE test report to verify its tracking performance.


Single Click to Unlock Both Tracking Modes
Switch between Equatorial (EQ) and Alt-Azimuth (Alt-Az) modes with a single click in the control interface—no need to restart the mount. Use EQ mode for precise deep-sky tracking, or switch to Alt-Az for visual observing, EAA, sky surveys, and Solar System imaging.


Lightweight Design, High Payload Capacity
Weighing just 11.2 lb (5.1 kg), the SH20 supports up to 44 lb (20 kg) without counterweights or 66 lb (30 kg) with optional counterweights, measured with the payload’s center of gravity 20 cm from the mount. Its dual Vixen/Losmandy saddle accommodates a wide range of telescope and imaging setups.


ToupTek Self-Developed Control System
ToupTek’s self-developed control system supports PC, Android, and iOS, with ASCOM, INDI, and INDIGO compatibility. Wi-Fi, Bluetooth, and USB-C provide flexible control via the mobile app, PC, or MHC hand controller, with support for N.I.N.A., SharpCap, KStars, Maxim DL, and StellaVita.
Specifications
- Mount Type: Harmonic-drive (strain-wave) equatorial mount
- RA Drive: BLDC motor with size-20 harmonic drive (100:1) and brake
- DEC Drive: BLDC motor with size-17 harmonic drive (100:1)
- Periodic Error: ≤20 arcsec peak-to-peak
- Latitude Range: 0°–90° (dual scale: 0°–60° / 30°–90°)
- Payload Capacity: Up to 30 kg (66 lb) @ 20 cm; no counterweight required for payloads up to 20 kg (44 lb)
- Operating Modes: Equatorial (EQ) / Alt-Azimuth (AZ)
- Mount Head Weight: 5.1 kg (11.2 lb)
- Azimuth Adjustment: ±5°
- Counterweight Shaft Thread: M12 × 1.75 mm
- Operating Temperature: −20°C to +40°C (−4°F to +104°F)
Other Information
- Country of Manufacture: China
ToupTek Astro ATLAS Series SH20 Harmonic Drive Mount
Built for astrophotographers who want high payload capacity without the bulk of a traditional equatorial mount, the ToupTek SH20 combines precision tracking with portable performance. Its BLDC servo motor, harmonic reducer, and 18-bit high-precision encoder provide smooth motion and responsive guiding, with a peak-to-peak periodic error of ≤20″. Each mount also includes an individual PE test report.
Weighing just 11.2 lb (5.1 kg), the SH20 supports up to 44 lb (20 kg) without counterweights or 66 lb (30 kg) with optional counterweights. One-click switching between EQ / Alt-Az modes makes it adaptable for deep-sky imaging, visual observation, EAA, sky surveys, and Solar System imaging. ToupTek’s self-developed control system supports PC, Android, and iOS, along with ASCOM, INDI, and INDIGO. Wi-Fi, Bluetooth, and USB-C connectivity also provide integration with NINA, SharpCap, KStars, MaxIm DL, and StellaVita.




Precision Servo Harmonic Drive
The BLDC servo motor, harmonic reducer, and 18-bit encoder work together to provide smooth, precise movement with near-zero backlash. Responsive guiding quickly corrects small tracking errors, helping keep stars sharp during long exposures. The SH20 has a peak-to-peak periodic error of ≤20″, and each mount includes an individual PE test report to verify its tracking performance.


Single Click to Unlock Both Tracking Modes
Switch between Equatorial (EQ) and Alt-Azimuth (Alt-Az) modes with a single click in the control interface—no need to restart the mount. Use EQ mode for precise deep-sky tracking, or switch to Alt-Az for visual observing, EAA, sky surveys, and Solar System imaging.


Lightweight Design, High Payload Capacity
Weighing just 11.2 lb (5.1 kg), the SH20 supports up to 44 lb (20 kg) without counterweights or 66 lb (30 kg) with optional counterweights, measured with the payload’s center of gravity 20 cm from the mount. Its dual Vixen/Losmandy saddle accommodates a wide range of telescope and imaging setups.


ToupTek Self-Developed Control System
ToupTek’s self-developed control system supports PC, Android, and iOS, with ASCOM, INDI, and INDIGO compatibility. Wi-Fi, Bluetooth, and USB-C provide flexible control via the mobile app, PC, or MHC hand controller, with support for N.I.N.A., SharpCap, KStars, Maxim DL, and StellaVita.
Specifications
- Mount Type: Harmonic-drive (strain-wave) equatorial mount
- RA Drive: BLDC motor with size-20 harmonic drive (100:1) and brake
- DEC Drive: BLDC motor with size-17 harmonic drive (100:1)
- Periodic Error: ≤20 arcsec peak-to-peak
- Latitude Range: 0°–90° (dual scale: 0°–60° / 30°–90°)
- Payload Capacity: Up to 30 kg (66 lb) @ 20 cm; no counterweight required for payloads up to 20 kg (44 lb)
- Operating Modes: Equatorial (EQ) / Alt-Azimuth (AZ)
- Mount Head Weight: 5.1 kg (11.2 lb)
- Azimuth Adjustment: ±5°
- Counterweight Shaft Thread: M12 × 1.75 mm
- Operating Temperature: −20°C to +40°C (−4°F to +104°F)
More information coming soon...
- Precise Tracking: 18-bit encoder, ≤20″ PE, and responsive guiding
- Lightweight & High Payload: 5.1 kg (11.2 lb) body with up to 30 kg (66 lb) payload
- Dual Operating Modes: One-click EQ / Alt-Az switching without restarting
- Open Control Ecosystem: Compatible with major astronomy software and StellaVita
- Versatile Applications: Deep-sky imaging, EAA, visual observation, and Solar System imaging
ToupTek Astro ATLAS Series SH20 Harmonic Drive Mount
Built for astrophotographers who want high payload capacity without the bulk of a traditional equatorial mount, the ToupTek SH20 combines precision tracking with portable performance. Its BLDC servo motor, harmonic reducer, and 18-bit high-precision encoder provide smooth motion and responsive guiding, with a peak-to-peak periodic error of ≤20″. Each mount also includes an individual PE test report.
Weighing just 11.2 lb (5.1 kg), the SH20 supports up to 44 lb (20 kg) without counterweights or 66 lb (30 kg) with optional counterweights. One-click switching between EQ / Alt-Az modes makes it adaptable for deep-sky imaging, visual observation, EAA, sky surveys, and Solar System imaging. ToupTek’s self-developed control system supports PC, Android, and iOS, along with ASCOM, INDI, and INDIGO. Wi-Fi, Bluetooth, and USB-C connectivity also provide integration with NINA, SharpCap, KStars, MaxIm DL, and StellaVita.




Precision Servo Harmonic Drive
The BLDC servo motor, harmonic reducer, and 18-bit encoder work together to provide smooth, precise movement with near-zero backlash. Responsive guiding quickly corrects small tracking errors, helping keep stars sharp during long exposures. The SH20 has a peak-to-peak periodic error of ≤20″, and each mount includes an individual PE test report to verify its tracking performance.


Single Click to Unlock Both Tracking Modes
Switch between Equatorial (EQ) and Alt-Azimuth (Alt-Az) modes with a single click in the control interface—no need to restart the mount. Use EQ mode for precise deep-sky tracking, or switch to Alt-Az for visual observing, EAA, sky surveys, and Solar System imaging.


Lightweight Design, High Payload Capacity
Weighing just 11.2 lb (5.1 kg), the SH20 supports up to 44 lb (20 kg) without counterweights or 66 lb (30 kg) with optional counterweights, measured with the payload’s center of gravity 20 cm from the mount. Its dual Vixen/Losmandy saddle accommodates a wide range of telescope and imaging setups.


ToupTek Self-Developed Control System
ToupTek’s self-developed control system supports PC, Android, and iOS, with ASCOM, INDI, and INDIGO compatibility. Wi-Fi, Bluetooth, and USB-C provide flexible control via the mobile app, PC, or MHC hand controller, with support for N.I.N.A., SharpCap, KStars, Maxim DL, and StellaVita.
Specifications
- Mount Type: Harmonic-drive (strain-wave) equatorial mount
- RA Drive: BLDC motor with size-20 harmonic drive (100:1) and brake
- DEC Drive: BLDC motor with size-17 harmonic drive (100:1)
- Periodic Error: ≤20 arcsec peak-to-peak
- Latitude Range: 0°–90° (dual scale: 0°–60° / 30°–90°)
- Payload Capacity: Up to 30 kg (66 lb) @ 20 cm; no counterweight required for payloads up to 20 kg (44 lb)
- Operating Modes: Equatorial (EQ) / Alt-Azimuth (AZ)
- Mount Head Weight: 5.1 kg (11.2 lb)
- Azimuth Adjustment: ±5°
- Counterweight Shaft Thread: M12 × 1.75 mm
- Operating Temperature: −20°C to +40°C (−4°F to +104°F)
Other Information
- Country of Manufacture: China
More information coming soon...
