telescopecomparison · 2-way
Sky-Watcher Quattro 250P vs Takahashi Epsilon-160ED
Sky-Watcher
Quattro 250P
Best suited for intermediate imagers building a versatile kit running a permanent observatory setup.
Takahashi
Epsilon-160ED
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Key differences
+89% focal length
+56% aperture
Slower by 0.7 f-stops
Specifications
| Specification | Sky-Watcher Quattro 250P | Takahashi Epsilon-160ED |
|---|---|---|
| Optics | ||
| Type | newtonian | Newtonian |
| Optical design | Newtonian astrograph | Hyperbolic astrograph |
| Aperture | 250mm | 160mm |
| Focal length | 1000mm | 530mm |
| Native f/ratio | f/4.0 | f/3.3 |
| Image circle | — | 44mm |
| Full-frame support | Yes | Yes |
| Physical | ||
| Weight | 15.5kg | 10.0kg |
Advantages of Sky-Watcher Quattro 250P
- Tighter framing — 1000mm vs 530mm focal length
- 56% more light-gathering aperture
Advantages of Takahashi Epsilon-160ED
- Wider field — 530mm vs 1000mm focal length
- Faster optics at f/3.3 vs f/4
- Larger image circle (44mm) — supports bigger sensors
- Lighter (10kg vs 15.5kg) — easier to travel with
Best for — Sky-Watcher Quattro 250P
- Medium-sized galaxies and planetary nebulae
- Fast imaging — short exposures per sub
- Faint-object imaging under dark skies
- Full-frame astro cameras and DSLRs
Best for — Takahashi Epsilon-160ED
- Large emission nebulae and star clusters
- Fast imaging — short exposures per sub
- Full-frame astro cameras and DSLRs
Sky-Watcher Quattro 250P — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 2.06° × 1.38°Scale: 0.78"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 1.35° × 0.90°Scale: 0.78"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 0.65° × 0.65°Scale: 0.78"/px
Takahashi Epsilon-160ED — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 3.89° × 2.59°Scale: 1.46"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 2.54° × 1.70°Scale: 1.46"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 1.22° × 1.22°Scale: 1.46"/px
Sky-Watcher Quattro 250P — recommended user
Best suited for intermediate imagers building a versatile kit running a permanent observatory setup.
Takahashi Epsilon-160ED — recommended user
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.