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ClearSky ST-17 R harmonic mount

Friday, December 5, 2025 by Richard Harris

2025 was definitely a year for harmonic drive mounts. With so many choices appearing in quick succession it is easy for a new piece of gear to slip past unnoticed, especially when the big names like ZWO, Sky-Watcher, and iOptron take up most of the space in the conversation. The ClearSky ST-17 ...

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Proxisky unveils the all-new UMi 20S and UMi 17S mounts

Tuesday, August 20, 2024 by Richard Harris

Proxisky has introduced two new mounts, the UMi 20S and UMi 17S, expanding their range of strain wave gear equatorial mounts. The UMi 20S is designed for heavy-duty use, featuring a dual servo motor system for both RA and Dec axes, with a type-20 strain wave gear offering a 120:1 reduction ratio....

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