Seestar S30 Pro specs
| Brand | ZWO |
|---|---|
| Type | Smart telescope |
| Aperture | 30 mm |
| Focal length / ratio | 160 mm, f/5.3 |
| Optics | 4-element apochromatic refractor with ED glass |
| Sensor | Sony IMX585 (1/1.2-inch) |
| Resolution | 3840 × 2160 px (8.3 MP) |
| Pixel size / scale | 2.9 µm · 3.74″ per pixel |
| Field of view | 3.99° × 2.24°. Computed from 3840 × 2160 × 2.9 µm and 160 mm; ZWO quotes 4.6° (diagonal). |
| Wide-angle camera | Sony IMX586 wide-angle camera, 4K, 63° |
| Mount | Motorized alt-az + EQ mode. EQ mode with the TH10 head and TC20 tripod (sold separately or as bundles) |
| Battery | 6,000 mAh, about 6 h (ZWO lab figure); USB-C 5 V 3 A input |
| Weight | 3.6 lb (1.65 kg). Without tripod (Amazon lists 3.64 lb) |
| Storage | 128 GB |
| Filters | UV/IR-cut, dark-field and duo-band (OIII 30 nm / H-alpha 20 nm); active anti-dew heater |
| Solar | Solar filter included. Magnetic solar filter in the box (per BBC Sky at Night and Fstoppers) |
| Mosaic mode | Yes. Deep-sky mosaics plus 8K Milky Way stitching with the wide camera |
| Planets | Not recommended by maker |
| Eyepiece | No (view on phone or tablet) |
| App | Seestar app (iOS/Android); ASCOM Alpaca / NINA support |
| Subscription | None for core features |
| Warranty | 2 years |
| Price | About $664 on Amazon (Nov 12, 2026) · $$ Mid-range |
- ZWO doesn't list the IMX585's pixel size on the S30 Pro page; 2.9 µm is the sensor's standard pitch, also used in ZWO's S50 Pro comparison.
- Amazon's listing says it's 'designed for deep-sky objects; not intended for planetary observation'.
- Two Amazon listings were live on Nov 12, 2026: $664 from ZWO's own store (ships from Amazon) and $724.17 from Agena Astro.
Amazon listings and bundles
Each option is a separate Amazon listing. Prices are typical street prices, not live.
| Option | What's different | Price |
|---|---|---|
| Seestar S30 Pro | Telescope, mini tripod, solar filter (sold by ZWO Store, ships from Amazon) | Check price |
| Seestar S30 Pro (Agena Astro listing) | Same telescope from an authorized astronomy dealer | Check price |
Specs are compiled from manufacturer pages, Amazon listings and independent reviews, and may change with firmware or production runs. Confirm what's in the box (tripod, solar filter, case) on the Amazon page before buying.
ZWO Seestar S30 Pro Smart Telescope video review
Video by AstroBackyard on YouTube. Independent creator content, shown as a reference. It is not part of our scoring.
The Seestar S30 Pro is ZWO’s ultra-portable smart telescope: a 30 mm f/5.3 four-element ED apochromat, a 4K Sony IMX585 sensor and a second 4K wide-angle camera, all in a 1.65 kg body. It costs about $664 on Amazon from ZWO’s own store (Nov 12, 2026), with a second listing from Agena Astro at about $724; check today’s price. Space.com’s 2026 roundup picks it as the best smart telescope for portability. We haven’t tested it ourselves: this review pulls together what BBC Sky at Night, Digital Camera World and Fstoppers found (see how we research).
Who the S30 Pro is for (and who should skip it)
It’s for travelers and beginners who want one scope that goes everywhere: wide nebulae, star clusters, the Andromeda Galaxy, the Moon, the Sun and, with the wide camera, the Milky Way. It’s small enough to take on a flight or a hike.
Skip it if the scope will live in your backyard and weight doesn’t matter. The Seestar S50 Pro collects about 2.8 times the light for faint galaxies. Skip it also if planets are the goal: ZWO itself says the S30 Pro isn’t intended for them.
Imaging in practice
The field of view is the S30 Pro’s standout feature. At about 4° × 2.2°, it’s the widest native field among the smart telescopes we cover, so big targets such as the Andromeda Galaxy and the North America Nebula frame without stitching. Check any target in the FOV calculator.
The trade-off is scale. At about 3.7 arcseconds per pixel, small galaxies and planetary nebulae come out small. BBC Sky at Night reported that “planets are too small to show any detail, but we were able to capture Jupiter and its Galilean moons”, and Fstoppers described Jupiter as a small dot. Jupiter spans roughly 12 pixels on this sensor.
The built-in duo-band filter (OIII 30 nm, H-alpha 20 nm) does the heavy lifting on emission nebulae from light-polluted skies, and there’s a dark filter for calibration and an active anti-dew heater. See what’s worth shooting from your sky in the sky target checker.
The 63° wide camera adds 8K Milky Way stitching, and the main camera supports deep-sky mosaics for targets bigger than one frame.
App and workflow
Everything runs through the Seestar app, with no subscription for core features. Pick a target, the scope slews, plate-solves and starts live stacking. Fstoppers noted that capture continues if the app disconnects, which matters when your phone wanders out of Wi-Fi range.
Digital Camera World’s main complaints were full reliance on the phone app and the frequent data downloads needed to clear 128 GB of storage. For more control, the S30 Pro supports ASCOM Alpaca and NINA. ZWO rates the 6,000 mAh battery at about six hours.
What you’ll need beyond the box
- EQ mode. The TH10 head and TC20 tripod bundle (about $180), or the TH10 head and TC20 tripod on their own. A Leftfoto leveler speeds up alignment. Our EQ mode explainer says when it’s worth it.
- Power. A USB-C bank such as the Anker 737 or UGREEN Nexode covers long winter nights.
- Dew shield and case. The Neo3D dew shield and cap kit and the CASEMATIX hard case are both sold for the S30 Pro.
- Solar. The filter is included; eclipse glasses protect your own eyes.
How it compares
Wider fields fit big nebulae and Andromeda; narrower fields put more pixels on small galaxies. Try any target in the framing calculator.
The Dwarf 3 costs about $549, has slightly more aperture (35 mm) and better daytime wildlife tools, but a smaller field, a fiddlier app and no tripod in the box. Our Dwarf 3 vs Seestar S30 Pro comparison covers it in depth.
The Seestar S30 Plus shares the lens for $190 less, with a 2K sensor and no wide-angle mosaics. The Seestar S50 Pro is the step up for backyard imaging; see S30 Pro vs S50 Pro.
Bottom line
The S30 Pro is the smart telescope to pack for a trip: light, wide-field, well filtered and simple to run, with a solar filter in the box. Its limits are the 30 mm aperture and short focal length, which keep planets tiny and faint galaxies slow. If portability comes first, it’s the one to get. Check the S30 Pro price on Amazon, and see our best smart telescopes for travel for alternatives.
See what the Seestar S30 Pro can capture from your sky in the sky target checker, or frame any target in the field-of-view calculator.
Accessories for the Seestar S30 Pro
Official and compatible add-ons sold on Amazon: filters, solar filters, tripods and wedges, power banks, dew control and cases. Check the listing confirms your exact model before you buy.
- Tripod & wedgeZWO Seestar TH10 fluid tripod head (EQ mode)Official ZWO
Tilts a Seestar to your latitude for equatorial mode, which removes field rotation and allows longer, cleaner stacks. ZWO says S50-series owners need only the TH10; S30-series owners should add the TC20 tripod.
- Tripod & wedgeZWO Seestar TC20 carbon-fiber tripodOfficial ZWO
Taller, stiffer 3/8-inch tripod than the mini tripod that ships with the S30 series, rated for 66 lb. Needed with the TH10 head for EQ mode on an S30 Plus or S30 Pro.
- Tripod & wedgeZWO Seestar TH10 head + TC20 tripod bundleOfficial ZWO
Both EQ-mode pieces for the S30 series in one listing.
- SolarCelestron EclipSmart universal solar filter (75–100 mm)Universal fit
Adjustable ISO 12312-2 compliant film filter for objectives with an outside diameter of 75–100 mm, such as spotting scopes and some traditional telescopes. Too big for 30–50 mm smart scopes; use the maker's own solar filter on those.
- SolarThousand Oaks black-polymer solar filter sheet, 4 × 4 inUniversal fit
DIY solar film for making a secure full-aperture filter cell for a small scope or camera lens. Only for confident DIYers: the cell must fit tightly over the front so it can't blow off. Never use a filter at the eyepiece end.
- SolarSoluna ISO 12312-2 solar eclipse glasses (2-pack)Universal fit
For looking at the Sun with your own eyes while the scope images it; never look through a telescope with them.
- Tripod & wedgeLeftfoto tripod leveler (±5°)Compatible, third-party
Sits between tripod and head so you can level precisely for EQ-mode polar alignment without fiddling with the legs.
- PowerAnker 737 power bank, 24,000 mAh, 140 WUniversal fit
USB-C PD power bank big enough to run a 30–50 mm smart scope through a long winter night, when cold cuts battery life. Check your scope's manual for supported USB-C input while observing; Unistellar, Vaonis and Celestron Origin use their own batteries and chargers.
- PowerUGREEN Nexode 100 W power bank, 20,000 mAhUniversal fit
Cheaper USB-C PD bank that also tops up your phone, which runs the telescope's app all night.
- Dew controlNeo3D Shop dew shield and lens cover kit for Seestar S30 / S30 ProCompatible, third-party
PETG dew shield and dust cap that slow dew forming on the S30-series front glass and keep stray light out. Listed for the S30 and S30 Pro; we couldn't confirm the S30 Plus shares the same front housing.
Compatibility checked November 2026. More in our smart telescope accessories guide.
Featured in our guides
- The 7 Best Smart Telescopes of 2026: Ranked for Backyard, Travel and Budget
- Best Smart Telescope for Deep Sky (2026): Picks for Galaxies and Nebulae
- Best Smart Telescope for Beginners (2026): 5 Easy Picks and a First-Night Checklist
- Best Budget Smart Telescopes (2026): 4 Picks Under $700, Plus the Hidden Costs
