Proxisky UMi 17S Harmonic Mount – Portable Precision for Serious Astrophotographers

The Proxisky UMi 17S is a high-performance harmonic drive equatorial mount designed for astrophotographers who demand lightweight portability without compromising tracking accuracy. With its strain wave gear transmission, dual-axis anti-collision protection, and a payload capacity of up to 17 kg (20 kg with counterweight), the UMi 17S is the perfect choice for travel setups, grab-and-go imaging rigs, and advanced portable observatories.

Key Features

• Payload Capacity: Up to 17 kg native / 20 kg with counterweight
• Mount Type: German Equatorial & Alt-Az dual mode
• Drive System: Harmonic (strain wave) gear with belt transmission
• RA Braking: Electromagnetic braking (≥ 68 N·m) for secure load holding
• Anti-Collision: Dual-axis protection to safeguard your gear
• Polar Alignment: iPolar & PoleMaster compatible
• Connectivity: USB, Bluetooth, Wi-Fi, ST4 guiding port
• Power Requirements: 12–24 V DC, 3 A
• Mount Head Weight: Approx. 4.9 kg

Why Choose the UMi 17S?

The UMi 17S delivers the same smooth, backlash-free tracking performance as larger harmonic mounts but in a more compact and lighter package. Perfect for remote dark-sky trips, it supports both equatorial and Alt-Az operation, making it ideal for both deep-sky imaging and visual astronomy. Its hybrid self-locking wedge and titanium alloy fasteners ensure stability and long-term durability, even under heavy payloads.

Perfect For

• Astrophotographers needing a travel-friendly harmonic mount
• Portable deep-sky imaging rigs
• Dual-purpose setups for visual observation and imaging
• Users wanting precision tracking without the bulk of traditional mounts

In the Box

• UMi 17S Harmonic Mount Head
• Control cables
• Power cable
• User manual

Technical Specifications

Passion for the Night Sky, Delivered. – Dark Clear Skies UK