Exact-model comparison
Seestar S30 Pro vs S50
Compare field of view, optics, size, storage, and package details.
The short version
S30 Pro is lighter, frames a wider area, adds a separate wide camera, and has more nominal storage. S50 has a larger aperture, longer focal length, and narrower field of view.
Choose by the framing you want, the weight you will carry, and what comes in the box. Image quality needs a matched, same-night comparison.
Models in this guide
Seestar S30 Pro
Seestar S30 Pro

Dual-camera Seestar model with tele and wide views.
30 mm / 160 mm / 4K tele and wide
- 4.6° tele field and 63° wide field
- Alt-azimuth mount with equatorial-mode support
- Confirm package contents with the retailer
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Specs side by side
| Specification | S30 Pro | S50 |
|---|---|---|
| Main aperture | 30 mm tele | 50 mm |
| Main focal length | 160 mm tele | 250 mm |
| Focal ratio | f/5.3 tele | f/5 |
| Main field of view | 4.6° tele | 0.73° × 1.29° |
| Sensors | Sony IMX585 tele; IMX586 wide | IMX462 |
| Resolution | 2160 × 3840 tele and wide | 1080 × 1920 |
| Nominal storage | 128 GB | 64 GB |
| Body weight | 1.65 kg without tripod | 2.5 kg |
| Mount modes | Alt-az; equatorial mode supported | Alt-az; equatorial mode supported |
| Image formats | JPEG and FITS | JPEG and FITS |
Specs come from ZWO. A matched test is needed to compare image quality.
Framing is the biggest difference
S30 Pro covers 4.6° with its tele camera. S50 covers 0.73° × 1.29°.
Choose the wider S30 Pro view for larger areas of sky. Choose the narrower S50 view for tighter framing.
Portability and storage
S30 Pro weighs 1.65 kg without its tripod. S50 weighs 2.5 kg. Compare the full packed kits after confirming the S30 Pro package.
S30 Pro has 128 GB of nominal storage, while S50 has 64 GB. Usable storage is lower because the system reserves part of the drive.
Mount, power, and files
Both models support alt-azimuth and equatorial modes, USB-C power, JPEG, and FITS.
What comes in the box?
The S50 package includes the telescope, tripod, Type-C cable, EPP case, quick guide, and solar filter. Check the package for your region and purchase date.
Confirm the S30 Pro package contents with the retailer before buying.
Which one fits your needs?
Choose S30 Pro for
- wider framing;
- lower body weight;
- a separate wide camera;
- more nominal storage.
Choose S50 for
- a larger aperture;
- a longer focal length;
- narrower framing;
- an included tripod and case.
Check before buying
- Seestar app support for your phone;
- S30 Pro package contents in your region;
- matched image, tracking, setup, and app tests.
Sources
- Seestar S30 Pro product specificationsZWO Seestar
- Seestar S30 Pro manualZWO
- Seestar S50 product specificationsZWO Seestar
- Seestar S50 manualZWO
- Seestar S50 FAQZWO Seestar
- Amazon Seestar S50 listingAmazon