telescopecomparison · 2-way
Takahashi Epsilon-130D vs Takahashi TOA-150B
Takahashi
Epsilon-130D
Best suited for beginners and wide-field enthusiasts running a backyard imaging setup.
Takahashi
TOA-150B
Best suited for intermediate imagers building a versatile kit running a permanent observatory setup.
Key differences
-61% focal length
-13% aperture
Faster by 4.0 f-stops
Specifications
| Specification | Takahashi Epsilon-130D | Takahashi TOA-150B |
|---|---|---|
| Optics | ||
| Type | astrograph | refractor |
| Optical design | Hyperbolic Newtonian | Apo triplet |
| Aperture | 130mm | 150mm |
| Focal length | 430mm | 1100mm |
| Native f/ratio | f/3.3 | f/7.3 |
| Image circle | 44mm | 88mm |
| Full-frame support | Yes | Yes |
| Physical | ||
| Weight | 7.8kg | 13.5kg |
Advantages of Takahashi Epsilon-130D
- Wider field — 430mm vs 1100mm focal length
- Faster optics at f/3.3 vs f/7.3
- Lighter (7.8kg vs 13.5kg) — easier to travel with
Advantages of Takahashi TOA-150B
- Tighter framing — 1100mm vs 430mm focal length
- 15% more light-gathering aperture
- Larger image circle (88mm) — supports bigger sensors
Best for — Takahashi Epsilon-130D
- Large emission nebulae and star clusters
- Fast imaging — short exposures per sub
- Full-frame astro cameras and DSLRs
Best for — Takahashi TOA-150B
- Medium-sized galaxies and planetary nebulae
- Full-frame astro cameras and DSLRs
Takahashi Epsilon-130D — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 4.80° × 3.20°Scale: 1.80"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 3.13° × 2.09°Scale: 1.80"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 1.51° × 1.51°Scale: 1.80"/px
Takahashi TOA-150B — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 1.88° × 1.25°Scale: 0.71"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 1.22° × 0.82°Scale: 0.71"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 0.59° × 0.59°Scale: 0.71"/px
Takahashi Epsilon-130D — recommended user
Best suited for beginners and wide-field enthusiasts running a backyard imaging setup.
Takahashi TOA-150B — recommended user
Best suited for intermediate imagers building a versatile kit running a permanent observatory setup.