Seestar S30 Pro vs S50 Pro
Both 'Pro' Seestars share the 4K sensor and the 63° wide camera. The S50 Pro adds 20 mm of aperture, 100 mm of focal length and a bigger battery.
Short answer
The S30 Pro is the better travel scope and the better value. The S50 Pro is the better deep-sky imager from home or a car-accessible site.
Key differences
- Light: 2.8× more for the S50 Pro.
- Field: 3.99° × 2.24° (S30 Pro) vs 2.45° × 1.38° (S50 Pro).
- Battery: 6 h vs 9 h; weight 1.65 kg vs 2.8 kg.
- Price: $699 list ($664 on sale) vs $999.
Specs side by side
| S30 Pro | S50 Pro | |
|---|---|---|
| List price | $699 | $999 |
| Aperture | 30 mm | 50 mm |
| Focal length | 160 mm | 260 mm |
| Focal ratio | f/5.3 | f/5.2 |
| Sensor | Sony IMX585 (1/1.2-inch) | 1/1.2-inch, 2.9 µm pixels (telephoto) |
| Resolution | 8.3 MP | 8.3 MP |
| Field of view | 3.99° × 2.24° | 2.45° × 1.38° |
| Image scale | 3.74″/px | 2.30″/px |
| Wide-angle camera | 63° wide-angle camera (IMX586, 8.3 MP) | 63° wide-angle camera (8.3 MP) |
| Weight | 1.65 kg | 2.8 kg |
| Battery | 6 h | 9 h |
| Storage | 128 GB | 128 GB |
| EQ mode | Yes, with a compatible head such as the TH10 (60 s subs only in EQ mode) | Yes (TH10 head recommended; 60 s subs only in EQ mode) |
| Filters | UV/IR-cut, duo-band (OIII 30 nm / Hα 20 nm), dark field filter; solar filter included | UV/IR-cut on both cameras; duo-band (OIII 30 nm / Hα 20 nm) and dark filter on telephoto; solar filter included |
| Tripod included | Yes | Yes |
| Eyepiece | No | No |
Highlighted cells are better on that line (price, focal ratio, image scale and weight: lower is better). Field of view is compared by area; whether wider is better depends on your targets.
Field of view to scale
Gold solid frame: S30 Pro. Teal dashed frame: S50 Pro.
S30 Pro · S50 Pro
| Object | S30 Pro | S50 Pro |
|---|---|---|
| Full Moon | Fits (13% of the frame width) | Fits (21% of the frame width) |
| Andromeda Galaxy (M31) | Fits (80% of the frame width) | Needs a mosaic (about 2 frames) |
| Orion Nebula (M42) | Fits (28% of the frame width) | Fits (45% of the frame width) |
| Pleiades (M45) | Fits (45% of the frame width) | Needs a mosaic (about 2 frames) |
| North America Nebula | Fits (50% of the frame width) | Needs a mosaic (about 2 frames) |
| Whirlpool Galaxy (M51) | Fits, but small: about 173 px across | Fits, but small: about 282 px across |
| Ring Nebula (M57) | Fits, but small: about 22 px across | Fits, but small: about 36 px across |
| Jupiter | Fits, but small: about 12 px across | Fits, but small: about 20 px across |
Numbers in charts
Full reviews
Frequently asked questions
Which is better, the Seestar S30 Pro or the Seestar S50 Pro?
The S30 Pro is the better travel scope and the better value. The S50 Pro is the better deep-sky imager from home or a car-accessible site.
Which has the wider field of view?
Seestar S30 Pro: 3.99° × 2.24°. Seestar S50 Pro: 2.45° × 1.38°.
Which gathers more light?
Seestar S50 Pro (50 mm vs 30 mm aperture, 2.8× the collecting area).
More comparisons
Sources
- www.adorama.com/zwseestar.html
- www.seestar.com/products/seestar-s30-pro
- www.seestar.com/products/seestar-s50-pro-smart-telescope
- www.zwoastro.com/product/seestar-s50-pro/
Specs and prices checked on 11 Nov 2026.