telescopecomparison · 2-way
ZWO Seestar S30 vs Vaonis Vespera


Key differences
-25% focal length
-40% aperture
Slower by 1.0 f-stops
Specifications
| Specification | ZWO Seestar S30 | Vaonis Vespera |
|---|---|---|
| Optics | ||
| Type | smart-telescope | smart-telescope |
| Optical design | Apo triplet all-in-one | Apo quadruplet all-in-one |
| Aperture | 30mm | 50mm |
| Focal length | 150mm | 200mm |
| Native f/ratio | f/5.0 | f/4.0 |
| Image circle | — | — |
| Full-frame support | No | No |
| Physical | ||
| Weight | 1.6kg | 5.0kg |
Advantages of ZWO Seestar S30
- Wider field — 150mm vs 200mm focal length
- Lighter (1.65kg vs 5kg) — easier to travel with
Advantages of Vaonis Vespera
- Tighter framing — 200mm vs 150mm focal length
- 67% more light-gathering aperture
- Faster optics at f/4 vs f/5
Best for — ZWO Seestar S30
- Wide-field nebulae and Milky Way regions
- Fast imaging — short exposures per sub
Best for — Vaonis Vespera
- Wide-field nebulae and Milky Way regions
- Fast imaging — short exposures per sub
ZWO Seestar S30 — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 13.75° × 9.17°Scale: 5.17"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 8.98° × 6.00°Scale: 5.17"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 4.32° × 4.32°Scale: 5.17"/px
Vaonis Vespera — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 10.31° × 6.88°Scale: 3.88"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 6.73° × 4.50°Scale: 3.88"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 3.24° × 3.24°Scale: 3.88"/px
ZWO Seestar S30 — recommended user
Best suited for beginners and wide-field enthusiasts running a portable travel rig.
Vaonis Vespera — recommended user
Best suited for beginners and wide-field enthusiasts running a portable travel rig.