telescopecomparison · 2-way
TS-Optics UNC 254 f/4 Newtonian Astrograph vs Sky-Watcher Quattro 200P
TS-Optics
UNC 254 f/4 Newtonian Astrograph
Best suited for intermediate imagers building a versatile kit running a permanent observatory setup.
Sky-Watcher
Quattro 200P
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Key differences
+27% focal length
+27% aperture
Specifications
| Specification | TS-Optics UNC 254 f/4 Newtonian Astrograph | Sky-Watcher Quattro 200P |
|---|---|---|
| Optics | ||
| Type | newtonian | Newtonian |
| Optical design | Newtonian astrograph | Imaging Newtonian |
| Aperture | 254mm | 200mm |
| Focal length | 1016mm | 800mm |
| Native f/ratio | f/4.0 | f/4.0 |
| Image circle | — | 32mm |
| Full-frame support | Yes | No |
| Physical | ||
| Weight | 14.0kg | 10.5kg |
Advantages of TS-Optics UNC 254 f/4 Newtonian Astrograph
- Tighter framing — 1016mm vs 800mm focal length
- 27% more light-gathering aperture
Advantages of Sky-Watcher Quattro 200P
- Wider field — 800mm vs 1016mm focal length
- Larger image circle (32mm) — supports bigger sensors
- Lighter (10.5kg vs 14kg) — easier to travel with
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
Best for — Sky-Watcher Quattro 200P
- Medium-sized galaxies and planetary nebulae
- Fast imaging — short exposures per sub
- Faint-object imaging under dark skies
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 200P — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 2.58° × 1.72°Scale: 0.97"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 1.68° × 1.12°Scale: 0.97"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 0.81° × 0.81°Scale: 0.97"/px
TS-Optics UNC 254 f/4 Newtonian Astrograph — recommended user
Best suited for intermediate imagers building a versatile kit running a permanent observatory setup.
Sky-Watcher Quattro 200P — recommended user
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.