telescopecomparison · 2-way
Celestron C6 SCT vs Unistellar Equinox 2
Unistellar
Equinox 2
Best suited for beginners and wide-field enthusiasts running a backyard imaging setup.
Key differences
+233% focal length
+32% aperture
Slower by 6.1 f-stops
Specifications
| Specification | Celestron C6 SCT | Unistellar Equinox 2 |
|---|---|---|
| Optics | ||
| Type | sct | smart-telescope |
| Optical design | Schmidt-Cassegrain | Newtonian all-in-one |
| Aperture | 150mm | 114mm |
| Focal length | 1500mm | 450mm |
| Native f/ratio | f/10.0 | f/3.9 |
| Image circle | — | — |
| Full-frame support | No | No |
| Physical | ||
| Weight | 4.5kg | 9.0kg |
Advantages of Celestron C6 SCT
- Tighter framing — 1500mm vs 450mm focal length
- 32% more light-gathering aperture
- Lighter (4.5kg vs 9kg) — easier to travel with
Advantages of Unistellar Equinox 2
- Wider field — 450mm vs 1500mm focal length
- Faster optics at f/3.9 vs f/10
Best for — Celestron C6 SCT
- Small galaxies, planetary nebulae, lunar & planetary detail
- High-resolution long-exposure work
Best for — Unistellar Equinox 2
- 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
Unistellar Equinox 2 — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 4.58° × 3.06°Scale: 1.72"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 2.99° × 2.00°Scale: 1.72"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 1.44° × 1.44°Scale: 1.72"/px
Celestron C6 SCT — recommended user
Best suited for experienced imagers chasing detail running a portable travel rig.
Unistellar Equinox 2 — recommended user
Best suited for beginners and wide-field enthusiasts running a backyard imaging setup.