telescopecomparison · 2-way
Sky-Watcher Quattro 250P vs TS-Optics UNC 254 f/4 Newtonian Astrograph
Sky-Watcher
Quattro 250P
Best suited for intermediate imagers building a versatile kit running a permanent observatory setup.
TS-Optics
UNC 254 f/4 Newtonian Astrograph
Best suited for intermediate imagers building a versatile kit running a permanent observatory setup.
Specifications
| Specification | Sky-Watcher Quattro 250P | TS-Optics UNC 254 f/4 Newtonian Astrograph |
|---|---|---|
| Optics | ||
| Type | newtonian | newtonian |
| Optical design | Newtonian astrograph | Newtonian astrograph |
| Aperture | 250mm | 254mm |
| Focal length | 1000mm | 1016mm |
| Native f/ratio | f/4.0 | f/4.0 |
| Image circle | — | — |
| Full-frame support | Yes | Yes |
| Physical | ||
| Weight | 15.5kg | 14.0kg |
Advantages of Sky-Watcher Quattro 250P
Closely matched on the compared specs.
Advantages of TS-Optics UNC 254 f/4 Newtonian Astrograph
Closely matched on the compared specs.
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 — TS-Optics UNC 254 f/4 Newtonian Astrograph
- Medium-sized galaxies and planetary nebulae
- Fast imaging — short exposures per sub
- Faint-object imaging under dark skies
- Full-frame astro cameras and DSLRs
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
TS-Optics UNC 254 f/4 Newtonian Astrograph — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 2.03° × 1.35°Scale: 0.76"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 1.33° × 0.89°Scale: 0.76"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 0.64° × 0.64°Scale: 0.76"/px
Sky-Watcher Quattro 250P — recommended user
Best suited for intermediate imagers building a versatile kit running a permanent observatory setup.
TS-Optics UNC 254 f/4 Newtonian Astrograph — recommended user
Best suited for intermediate imagers building a versatile kit running a permanent observatory setup.