telescopecomparison · 2-way
Astro-Tech AT12RC vs Takahashi Mewlon-210
Astro-Tech
AT12RC
Best suited for experienced imagers chasing detail running a permanent observatory setup.
Takahashi
Mewlon-210
Best suited for experienced imagers chasing detail running a permanent observatory setup.
Key differences
+45% aperture
Faster by 3.5 f-stops
Specifications
| Specification | Astro-Tech AT12RC | Takahashi Mewlon-210 |
|---|---|---|
| Optics | ||
| Type | ritchey-chretien | cassegrain |
| Optical design | Truss Ritchey-Chrétien | Dall-Kirkham |
| Aperture | 305mm | 210mm |
| Focal length | 2432mm | 2415mm |
| Native f/ratio | f/8.0 | f/11.5 |
| Image circle | — | — |
| Full-frame support | Yes | No |
| Physical | ||
| Weight | 26.5kg | 15.5kg |
Advantages of Astro-Tech AT12RC
- 45% more light-gathering aperture
- Faster optics at f/8 vs f/11.5
Advantages of Takahashi Mewlon-210
- Lighter (15.5kg vs 26.5kg) — easier to travel with
Best for — Astro-Tech AT12RC
- Small galaxies, planetary nebulae, lunar & planetary detail
- High-resolution long-exposure work
- Faint-object imaging under dark skies
- Full-frame astro cameras and DSLRs
Best for — Takahashi Mewlon-210
- Small galaxies, planetary nebulae, lunar & planetary detail
- High-resolution long-exposure work
- Faint-object imaging under dark skies
Astro-Tech AT12RC — 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: 0.55° × 0.37°Scale: 0.32"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 0.27° × 0.27°Scale: 0.32"/px
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
Astro-Tech AT12RC — recommended user
Best suited for experienced imagers chasing detail running a permanent observatory setup.
Takahashi Mewlon-210 — recommended user
Best suited for experienced imagers chasing detail running a permanent observatory setup.