telescopecomparison · 2-way
Takahashi FSQ-106EDX4 vs Takahashi Epsilon-160ED
Takahashi
FSQ-106EDX4
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Takahashi
Epsilon-160ED
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Key differences
-34% aperture
Slower by 1.7 f-stops
Specifications
| Specification | Takahashi FSQ-106EDX4 | Takahashi Epsilon-160ED |
|---|---|---|
| Optics | ||
| Type | Refractor | Newtonian |
| Optical design | Petzval APO | Hyperbolic astrograph |
| Aperture | 106mm | 160mm |
| Focal length | 530mm | 530mm |
| Native f/ratio | f/5.0 | f/3.3 |
| Image circle | 88mm | 44mm |
| Full-frame support | Yes | Yes |
| Physical | ||
| Weight | 7.5kg | 10.0kg |
Advantages of Takahashi FSQ-106EDX4
- Larger image circle (88mm) — supports bigger sensors
- Lighter (7.5kg vs 10kg) — easier to travel with
Advantages of Takahashi Epsilon-160ED
- 51% more light-gathering aperture
- Faster optics at f/3.3 vs f/5
Best for — Takahashi FSQ-106EDX4
- Large emission nebulae and star clusters
- Fast imaging — short exposures per sub
- 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
Takahashi FSQ-106EDX4 — 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
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
Takahashi FSQ-106EDX4 — recommended user
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Takahashi Epsilon-160ED — recommended user
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.