ZWO Seestar S50 Smart Telescope

Full review

The ZWO Seestar S50 is a compact, all-in-one smart telescope designed to make astrophotography accessible to complete beginners while still offering enough depth to satisfy curious hobbyists. Housed in a sleek white unit roughly the size of a large thermos, it combines a 50mm apochromatic refractor, a built-in sensor, motorized alt-azimuth mount, filter wheel, and onboard computer into a single self-contained package. There's no need to juggle a separate camera, mount, guide scope, or laptop full of imaging software; the Seestar handles plate solving, tracking, focusing, and stacking automatically, then streams the results directly to your phone or tablet via the companion app.

Setup is famously fast: unfold the built-in tripod legs, power it on, and let the app guide you through a short calibration process that typically takes just a few minutes. Once aligned, the telescope can automatically locate and track thousands of celestial objects from its internal database, including planets, star clusters, nebulae, and galaxies. A dual-band filter built into the optical path helps cut through light pollution, making it genuinely usable from backyards and balconies in suburban or even moderately urban settings, not just remote dark-sky locations. The device stacks dozens or hundreds of short exposures in real time, gradually revealing faint details in objects like the Orion Nebula or Andromeda Galaxy right on your screen as the session progresses.

Beyond deep-sky imaging, the Seestar S50 includes a solar filter accessory for safe daytime observation of sunspots and solar eclipses, along with strong performance on lunar and planetary targets. Its battery lasts several hours per charge, and the app allows saving raw and processed images for further editing, plus social sharing features that let users showcase their captures within the ZWO community. Weighing about 2.5 kilograms and easily fitting into a backpack, it's aimed squarely at travelers, apartment dwellers, families, and newcomers who want real astrophotography results without the steep learning curve, heavy equipment, or lengthy setup times traditionally associated with the hobby.