telescopecomparison · 2-way
Takahashi Mewlon-210 vs Celestron C6 SCT

Takahashi
Mewlon-210
Best suited for experienced imagers chasing detail running a permanent observatory setup.

Key differences
+61% focal length
+40% aperture
Slower by 1.5 f-stops
Specifications
| Specification | Takahashi Mewlon-210 | Celestron C6 SCT |
|---|---|---|
| Optics | ||
| Type | cassegrain | sct |
| Optical design | Dall-Kirkham | Schmidt-Cassegrain |
| Aperture | 210mm | 150mm |
| Focal length | 2415mm | 1500mm |
| Native f/ratio | f/11.5 | f/10.0 |
| Image circle | — | — |
| Full-frame support | No | No |
| Physical | ||
| Weight | 15.5kg | 4.5kg |
Advantages of Takahashi Mewlon-210
- Tighter framing — 2415mm vs 1500mm focal length
- 40% more light-gathering aperture
Advantages of Celestron C6 SCT
- Wider field — 1500mm vs 2415mm focal length
- Faster optics at f/10 vs f/11.5
- Lighter (4.5kg vs 15.5kg) — easier to travel with
Best for — Takahashi Mewlon-210
- Small galaxies, planetary nebulae, lunar & planetary detail
- High-resolution long-exposure work
- Faint-object imaging under dark skies
Best for — Celestron C6 SCT
- Small galaxies, planetary nebulae, lunar & planetary detail
- High-resolution long-exposure work
Takahashi Mewlon-210 — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 0.85° × 0.57°Scale: 0.32"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 0.56° × 0.37°Scale: 0.32"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 0.27° × 0.27°Scale: 0.32"/px
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 Mewlon-210 — recommended user
Best suited for experienced imagers chasing detail running a permanent observatory setup.
Celestron C6 SCT — recommended user
Best suited for experienced imagers chasing detail running a portable travel rig.