Brand
ZWO Seestar smart telescopes compared (2026)
4 models from $399 to $999; the best rated is the ZWO Seestar S50 Pro, at 8.8/10.
ZWO Seestar smart telescopes
4 models, ranked by our overall score.
Data from the official ZWO US pages, prices checked on November 9, 2026. Calculated scores.
Images: manufacturers
The ZWO Seestar lineup in a table
Sort by score, price or key spec.
 ZWO Seestar S50 Pro | 8.8 | $999 | 50 mm · 8.3 MP · 2.8 kg | Not stated | 2 years |
 ZWO Seestar S50 | 8.6 | $549 | 50 mm · 2.1 MP · 2.5 kg | Not stated | 2 years |
 ZWO Seestar S30 Pro | 8.5 | $699 | 30 mm · 8.3 MP · 1.65 kg | Not stated | 2 years |
 ZWO Seestar S30 | 8.3 | $399 | 30 mm · 2.1 MP · 1.65 kg | Not stated | 2 years |
Alternatives from rival brands
For each of the best-rated ZWO Seestar models: the closest-priced smart telescope from another brand.
DWARFLAB sells the DWARF 3 $450 cheaper, with a lower score.
DWARFLAB sells the DWARF 3 at the same price, with the same score.
DWARFLAB sells the DWARF 3 $150 cheaper, with a higher score.
Frequently asked questions
What is the best ZWO Seestar smart telescope?
With our published formula, the ZWO Seestar S50 Pro scores 8.8/10 ("Very good"), at $999 checked on November 9, 2026.
How much does a ZWO Seestar smart telescope cost?
The 4 models we compare range from $399 to $999, at the official US prices read on November 9, 2026.
Where can you buy ZWO Seestar telescopes?
Our buttons go to: Seestar US store. The price and availability at the store when you buy are the ones that apply.
What are the alternatives to ZWO Seestar?
Instead of the Seestar S50 Pro: the DWARFLAB DWARF 3 ($549, 8.6/10); Instead of the Seestar S50: the DWARFLAB DWARF 3 ($549, 8.6/10); Instead of the Seestar S30 Pro: the DWARFLAB DWARF 3 ($549, 8.6/10).
How are ZWO Seestar telescopes scored?
With the same nine criteria as every other brand (aperture, sensor, image scale, filter, battery, weight, tracking, warranty, price), from ZWO's published figures. The full formula is on our methodology page.