telescopecomparison · 2-way
Takahashi Mewlon-210 vs Explore Scientific ED152 FCD-100
Takahashi
Mewlon-210
Best suited for experienced imagers chasing detail running a permanent observatory setup.
Explore Scientific
ED152 FCD-100
Best suited for intermediate imagers building a versatile kit running a permanent observatory setup.
Key differences
+112% focal length
+38% aperture
Slower by 4.0 f-stops
Specifications
| Specification | Takahashi Mewlon-210 | Explore Scientific ED152 FCD-100 |
|---|---|---|
| Optics | ||
| Type | cassegrain | refractor |
| Optical design | Dall-Kirkham | Apo triplet FCD-100 |
| Aperture | 210mm | 152mm |
| Focal length | 2415mm | 1140mm |
| Native f/ratio | f/11.5 | f/7.5 |
| Image circle | — | 52mm |
| Full-frame support | No | Yes |
| Physical | ||
| Weight | 15.5kg | 12.0kg |
Advantages of Takahashi Mewlon-210
- Tighter framing — 2415mm vs 1140mm focal length
- 38% more light-gathering aperture
Advantages of Explore Scientific ED152 FCD-100
- Wider field — 1140mm vs 2415mm focal length
- Faster optics at f/7.5 vs f/11.5
- Larger image circle (52mm) — supports bigger sensors
- Lighter (12kg 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 — Explore Scientific ED152 FCD-100
- Medium-sized galaxies and planetary nebulae
- Full-frame astro cameras and DSLRs
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
Explore Scientific ED152 FCD-100 — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 1.81° × 1.21°Scale: 0.68"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 1.18° × 0.79°Scale: 0.68"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 0.57° × 0.57°Scale: 0.68"/px
Takahashi Mewlon-210 — recommended user
Best suited for experienced imagers chasing detail running a permanent observatory setup.
Explore Scientific ED152 FCD-100 — recommended user
Best suited for intermediate imagers building a versatile kit running a permanent observatory setup.