telescopecomparison · 2-way
Celestron C6 SCT vs Sky-Watcher Quattro 150P


Sky-Watcher
Quattro 150P
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Key differences
+150% focal length
Slower by 6.0 f-stops
Specifications
| Specification | Celestron C6 SCT | Sky-Watcher Quattro 150P |
|---|---|---|
| Optics | ||
| Type | sct | newtonian |
| Optical design | Schmidt-Cassegrain | Newtonian astrograph |
| Aperture | 150mm | 150mm |
| Focal length | 1500mm | 600mm |
| Native f/ratio | f/10.0 | f/4.0 |
| Image circle | — | — |
| Full-frame support | No | No |
| Physical | ||
| Weight | 4.5kg | 7.5kg |
Advantages of Celestron C6 SCT
- Tighter framing — 1500mm vs 600mm focal length
- Lighter (4.5kg vs 7.5kg) — easier to travel with
Advantages of Sky-Watcher Quattro 150P
- Wider field — 600mm vs 1500mm focal length
- Faster optics at f/4 vs f/10
Best for — Celestron C6 SCT
- Small galaxies, planetary nebulae, lunar & planetary detail
- High-resolution long-exposure work
Best for — Sky-Watcher Quattro 150P
- Large emission nebulae and star clusters
- Fast imaging — short exposures per sub
Celestron C6 SCT — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 1.38° × 0.92°Scale: 0.52"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 0.90° × 0.60°Scale: 0.52"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 0.43° × 0.43°Scale: 0.52"/px
Sky-Watcher Quattro 150P — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 3.44° × 2.29°Scale: 1.29"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 2.24° × 1.50°Scale: 1.29"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 1.08° × 1.08°Scale: 1.29"/px
Celestron C6 SCT — recommended user
Best suited for experienced imagers chasing detail running a portable travel rig.
Sky-Watcher Quattro 150P — recommended user
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.