

Clear Skies Ahead
Welcome to Clearsky, your ultimate destination for premium quality products and exceptional customer service.
ST20
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High-precision strain wave gear, 20kg payload capacity without counterweights.
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Physical home sensor, panel mechanical limit function, electromagnetic braking,Azimuth self-locking screw.
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Hub cable management function,12V DC output and equatorial instrument data serial port on the groove.
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Magnetic wrench, with up to four screws to lock the pitch, the base is very stable.


ST17-R
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High-precision strain wave gear, 13kg payload capacity without counterweights.
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Physical home sensor, mechanical limit function, electromagnetic braking,Azimuth self-locking screw.
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Hub cable management function,12V DC output and equatorial instrument data serial port on the groove.
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Magnetic wrench, with up to four screws to lock the pitch, the base is very stable.
ST25
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High-precision strain wave gear, 30kg payload capacity without counterweights.
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Physical home sensor, mechanical limit function, electromagnetic braking,Azimuth self-locking screw.
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Hub cable management function,12V DC output*4 ,data serial port on the groove and Data Management of Dove-tail Groove.
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Magnetic wrench, with up to four screws to lock the pitch, the base is very stable.














































Clearsky Astro
We are a passionate group of astronomy enthusiasts based in China, dedicated to sharing our love for the stars with the world. Founded in 2021, our goal is simple yet ambitious: to offer high-quality, affordable astronomical products and services that can help both amateur and professional astronomers explore the wonders of the universe.