telescopecomparison · 2-way
ZWO Seestar S50 Pro vs Vaonis Vespera Pro 2
ZWO
Seestar S50 Pro
Best suited for beginners and wide-field enthusiasts running a portable travel rig.
Vaonis
Vespera Pro 2
Best suited for beginners and wide-field enthusiasts running a portable travel rig.
Key differences
+6% focal length
Specifications
| Specification | ZWO Seestar S50 Pro | Vaonis Vespera Pro 2 |
|---|---|---|
| Optics | ||
| Type | smart-telescope | smart-telescope |
| Optical design | 4-element apochromatic quadruplet with ED glass (folded path) | Apochromatic quadruplet all-in-one |
| Aperture | 50mm | 50mm |
| Focal length | 260mm | 245mm |
| Native f/ratio | f/5.2 | f/4.9 |
| Image circle | — | — |
| Full-frame support | No | No |
| Physical | ||
| Weight | 2.8kg | 5.0kg |
Advantages of ZWO Seestar S50 Pro
- Lighter (2.8kg vs 5kg) — easier to travel with
Advantages of Vaonis Vespera Pro 2
Closely matched on the compared specs.
Best for — ZWO Seestar S50 Pro
- Wide-field nebulae and Milky Way regions
Best for — Vaonis Vespera Pro 2
- Wide-field nebulae and Milky Way regions
- Fast imaging — short exposures per sub
ZWO Seestar S50 Pro — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 7.93° × 5.29°Scale: 2.98"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 5.18° × 3.46°Scale: 2.98"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 2.49° × 2.49°Scale: 2.98"/px
Vaonis Vespera Pro 2 — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 8.42° × 5.61°Scale: 3.17"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 5.50° × 3.67°Scale: 3.17"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 2.64° × 2.64°Scale: 3.17"/px
ZWO Seestar S50 Pro — recommended user
Best suited for beginners and wide-field enthusiasts running a portable travel rig.
Vaonis Vespera Pro 2 — recommended user
Best suited for beginners and wide-field enthusiasts running a portable travel rig.
