Sky-Watcher EQ8-RH Pro SynScan GoTo is the top model within the EQ8 series and combines brute carrying capacity with unparalleled precision. This mount is specifically designed for fixed mounts and observatories working with heavy optics up to 50 kg.
The major difference with the EQ8-R is in the addition of a Renishaw high-resolution encoder on the RA axis. This technology often eliminates the need for autoguiding in astrophotography: the mount tracks celestial objects with extreme accuracy and minimizes tracking errors. For deep-sky photography with long exposure times, this is a huge step forward in ease of use and results.
In addition to the encoder, the EQ8-RH Pro features all the improvements of the EQ8-R:
- Internal cabling prevents cable breakage and keeps the setup organized.
- Additional connections (4× USB, 3× 12V) for cameras and accessories.
- Improved drive motors and clutches provide more balance and holding power.
- Belt drive guarantees smooth tracking without backlash.
- PPEC (Permanent Periodic Error Correction). remembers corrections permanently, even after turning off.
- Snap port Allows direct control of DSLR cameras.
The included SynScan GoTo hand controller provides access to a database of 42,900 objects and supports alignment with 1, 2 or 3 stars. Alignment can additionally be computer-aided, allowing accurate alignment even without a clear view of the Pole Star.
With its robust steel column tripod, 10 kg counterweights and a total set mass of nearly 78 kg, the EQ8-RH Pro is not a mobile mount, but a fixed and reliable base for the heaviest telescopes and serious research or photography projects.
Application
The Sky-Watcher EQ8-RH Pro SynScan GoTo is intended for advanced astrophotographers, institutions and private observatories. Thanks to its built-in encoder, the mount delivers unparalleled precision without autoguiding, ideal for long deep-sky exposures with heavy optics. For mobile observers, the weight is less practical; for fixed setups, this is an absolutely top choice.
Specifications
- Type: Equatorial mount (EQ8 series)
- Max. load capacity: 50 kg
- Encoder: Renishaw high-resolution on RA axis
- Power supply: 12 V DC
- Drive: worm wheel with toothed belt transmission
- PEC correction: Permanent Periodic Error Correction (PPEC)
- Tracking modes: sidereal, sun, moon
- GoTo system: SynScan, database 42,900 objects
- Positioning: 1-, 2- or 3-star alignment
- Interfaces: autoguider port, USB, 12V outputs, camera snap port
- Stand: steel column stand
- Counterweights: 2 × 10 kg
- Pile height adjustment: 10-65°
- Weight of mount: 25.8 kg
- Tripod weight: 29.4 kg
- Total weight of set: approx. 77.8 kg
- Color: white









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