Galaxy Scientific Group is ZWO's Hong Kong distributor. The newly launched Seestar S50 Pro is now available for pre-order. The special pre-order price is HK$5,280, valid until September 15, 2026, at 15:00. Regular pricing of HK$5,800 will apply after the pre-order period ends. A 100% full deposit is required upon pre-order. Factory dispatch is underway, with the first stock batch expected in stock in Hong Kong between on September 1st. Once arrived, orders will be processed and notified strictly in sequence of booking.
People who have bought Seestar from eshop.astro.hk can also attend various practical activities, including monthly stargazing practices. https://eshop.astro.hk/en/catalogs/lists?sfc=077796c9-88f5-4376-b976-f2d3499ab533&sfor=default&sfna=%E8%A7%80%E6%98%9F%E5%AF%A6%E7%BF%92 . You can also send "Subscribe" to our WhatsApp number 98119630. There will be one to two updates on instruments or activities every month
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ZWO Seestar S50 Pro Smart Telescope
The ZWO Seestar S50 Pro is an all-in-one smart telescope designed to replace complex conventional imaging setups. Featuring a 50mm 4-element Apochromatic (APO) optical system with ED glass and a 1/1.2" 4K primary sensor, it provides nearly three times the light-gathering capability of 30mm models. Upgraded with a dual-camera system (telephoto and wide-angle), a triple internal filter wheel, and an integrated Equatorial Mode driven by a precision zero-backlash drive system, the S50 Pro delivers effortless deep-sky astrophotography, high-resolution mosaic stitching, and open protocol compatibility via ASCOM Alpaca.
【Key Features & Technical Highlights】
50mm 4-Element APO Optics: Includes Extra-low Dispersion (ED) glass to minimize chromatic aberration, delivering pinpoint stars and rich contrast across celestial targets.
4K Dual-Camera System: Combines a 1/1.2" high-resolution telephoto sensor for detailed targets with a wide-angle camera for broader starfield context.
Triple Internal Filter System: Seamlessly switches between Light Pollution (LP), Dark Frame, and IR-Cut filters for optimized contrast and noise reduction.
Advanced Mosaic & Astro-Landscape Modes: Telephoto mosaic stitching expands FOV up to 8K resolution; "Landscape Freeze" intelligently preserves foreground detail while tracking the sky.
Equatorial Mode & Precision Drive: Precision mechanical drive minimizes backlash, allowing stable tracking in Equatorial Mode for longer exposures and higher imaging efficiency.
One-Tap Automated Imaging: Automated GOTO target locating, auto-tracking, auto-stacking, and full in-app post-processing (star reduction, noise control, contrast).
Plan Mode & ASCOM Alpaca Expansion: Automated multi-target night plans, full remote control, and integration with third-party software (e.g., N.I.N.A.) via open ASCOM Alpaca protocol.
High-Capacity Power & Upgraded Tripod: Equipped with a 10,000mAh battery for up to 9 hours of continuous operation, paired with a robust multi-angle tripod.
Specifications
| Parameter | Details |
| Aperture | 50mm |
| Optical Design | 4-Element Apochromatic Refractor (with ED glass) |
| Sensor Type | 1/1.2" Large-Format Sensor (Telephoto Camera) |
| Resolution | Dual 4K UHD Cameras / Up to 8K via Mosaic Stitching |
| Internal Filters | Light Pollution Filter / Dark Frame Filter / IR-Cut Filter |
| Tracking Modes | Alt-Azimuth Mode / Equatorial Mode (EQ Mode) |
| Control Features | One-Tap GOTO, Auto-Tracking, AI Voice Assistant, Remote Control |
| Third-Party Integration | Open ASCOM Alpaca Protocol (Compatible with N.I.N.A., etc.) |
| Battery Life | 10,000 mAh (up to 9 hours operating time) |
| Primary Applications | Deep-Sky Objects (DSO), Sun/Moon Imaging, Daytime Telephoto Observation |
