telescopecomparison · 2-way
Sky-Watcher Quattro 250P vs Vaonis Stellina
Sky-Watcher
Quattro 250P
Best suited for intermediate imagers building a versatile kit running a permanent observatory setup.
Vaonis
Stellina
Best suited for beginners and wide-field enthusiasts running a backyard imaging setup.
Key differences
+150% focal length
+213% aperture
Faster by 1.0 f-stops
Specifications
| Specification | Sky-Watcher Quattro 250P | Vaonis Stellina |
|---|---|---|
| Optics | ||
| Type | newtonian | smart-telescope |
| Optical design | Newtonian astrograph | Apo doublet all-in-one |
| Aperture | 250mm | 80mm |
| Focal length | 1000mm | 400mm |
| Native f/ratio | f/4.0 | f/5.0 |
| Image circle | — | — |
| Full-frame support | Yes | No |
| Physical | ||
| Weight | 15.5kg | 11.2kg |
Advantages of Sky-Watcher Quattro 250P
- Tighter framing — 1000mm vs 400mm focal length
- 213% more light-gathering aperture
- Faster optics at f/4 vs f/5
Advantages of Vaonis Stellina
- Wider field — 400mm vs 1000mm focal length
- Lighter (11.2kg vs 15.5kg) — easier to travel with
Best for — Sky-Watcher Quattro 250P
- Medium-sized galaxies and planetary nebulae
- Fast imaging — short exposures per sub
- Faint-object imaging under dark skies
- Full-frame astro cameras and DSLRs
Best for — Vaonis Stellina
- Large emission nebulae and star clusters
- Fast imaging — short exposures per sub
Sky-Watcher Quattro 250P — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 2.06° × 1.38°Scale: 0.78"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 1.35° × 0.90°Scale: 0.78"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 0.65° × 0.65°Scale: 0.78"/px
Vaonis Stellina — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 5.16° × 3.44°Scale: 1.94"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 3.37° × 2.25°Scale: 1.94"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 1.62° × 1.62°Scale: 1.94"/px
Sky-Watcher Quattro 250P — recommended user
Best suited for intermediate imagers building a versatile kit running a permanent observatory setup.
Vaonis Stellina — recommended user
Best suited for beginners and wide-field enthusiasts running a backyard imaging setup.