telescopecomparison · 2-way
Takahashi Epsilon-180ED vs Takahashi FSQ-130ED
Takahashi
Epsilon-180ED
Best suited for beginners and wide-field enthusiasts running a permanent observatory setup.
Takahashi
FSQ-130ED
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Key differences
-23% focal length
+38% aperture
Faster by 2.2 f-stops
Specifications
| Specification | Takahashi Epsilon-180ED | Takahashi FSQ-130ED |
|---|---|---|
| Optics | ||
| Type | astrograph | refractor |
| Optical design | Hyperbolic Newtonian | Petzval quadruplet |
| Aperture | 180mm | 130mm |
| Focal length | 500mm | 650mm |
| Native f/ratio | f/2.8 | f/5.0 |
| Image circle | 44mm | 88mm |
| Full-frame support | Yes | Yes |
| Physical | ||
| Weight | 12.5kg | 11.0kg |
Advantages of Takahashi Epsilon-180ED
- Wider field — 500mm vs 650mm focal length
- 38% more light-gathering aperture
- Faster optics at f/2.8 vs f/5
Advantages of Takahashi FSQ-130ED
- Tighter framing — 650mm vs 500mm focal length
- Larger image circle (88mm) — supports bigger sensors
Best for — Takahashi Epsilon-180ED
- Large emission nebulae and star clusters
- Fast imaging — short exposures per sub
- Full-frame astro cameras and DSLRs
Best for — Takahashi FSQ-130ED
- Large emission nebulae and star clusters
- Fast imaging — short exposures per sub
- Full-frame astro cameras and DSLRs
Takahashi Epsilon-180ED — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 4.13° × 2.75°Scale: 1.55"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 2.69° × 1.80°Scale: 1.55"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 1.29° × 1.29°Scale: 1.55"/px
Takahashi FSQ-130ED — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 3.17° × 2.12°Scale: 1.19"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 2.07° × 1.38°Scale: 1.19"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 1.00° × 1.00°Scale: 1.19"/px
Takahashi Epsilon-180ED — recommended user
Best suited for beginners and wide-field enthusiasts running a permanent observatory setup.
Takahashi FSQ-130ED — recommended user
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.