telescopecomparison · 2-way
Celestron C6 SCT vs Takahashi Epsilon-160ED
Takahashi
Epsilon-160ED
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Key differences
+183% focal length
-6% aperture
Slower by 6.7 f-stops
Specifications
| Specification | Celestron C6 SCT | Takahashi Epsilon-160ED |
|---|---|---|
| Optics | ||
| Type | sct | Newtonian |
| Optical design | Schmidt-Cassegrain | Hyperbolic astrograph |
| Aperture | 150mm | 160mm |
| Focal length | 1500mm | 530mm |
| Native f/ratio | f/10.0 | f/3.3 |
| Image circle | — | 44mm |
| Full-frame support | No | Yes |
| Physical | ||
| Weight | 4.5kg | 10.0kg |
Advantages of Celestron C6 SCT
- Tighter framing — 1500mm vs 530mm focal length
- Lighter (4.5kg vs 10kg) — easier to travel with
Advantages of Takahashi Epsilon-160ED
- Wider field — 530mm vs 1500mm focal length
- Faster optics at f/3.3 vs f/10
- Larger image circle (44mm) — supports bigger sensors
Best for — Celestron C6 SCT
- Small galaxies, planetary nebulae, lunar & planetary detail
- High-resolution long-exposure work
Best for — Takahashi Epsilon-160ED
- Large emission nebulae and star clusters
- Fast imaging — short exposures per sub
- Full-frame astro cameras and DSLRs
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
Takahashi Epsilon-160ED — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 3.89° × 2.59°Scale: 1.46"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 2.54° × 1.70°Scale: 1.46"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 1.22° × 1.22°Scale: 1.46"/px
Celestron C6 SCT — recommended user
Best suited for experienced imagers chasing detail running a portable travel rig.
Takahashi Epsilon-160ED — recommended user
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.