telescopecomparison · 2-way
Takahashi Epsilon-160ED vs Takahashi FC-100DZ
Takahashi
Epsilon-160ED
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Takahashi
FC-100DZ
Best suited for intermediate imagers building a versatile kit running a portable travel rig.
Key differences
-34% focal length
+60% aperture
Faster by 4.7 f-stops
Specifications
| Specification | Takahashi Epsilon-160ED | Takahashi FC-100DZ |
|---|---|---|
| Optics | ||
| Type | Newtonian | refractor |
| Optical design | Hyperbolic astrograph | Apo doublet fluorite |
| Aperture | 160mm | 100mm |
| Focal length | 530mm | 800mm |
| Native f/ratio | f/3.3 | f/8.0 |
| Image circle | 44mm | 44mm |
| Full-frame support | Yes | No |
| Physical | ||
| Weight | 10.0kg | 3.3kg |
Advantages of Takahashi Epsilon-160ED
- Wider field — 530mm vs 800mm focal length
- 60% more light-gathering aperture
- Faster optics at f/3.3 vs f/8
Advantages of Takahashi FC-100DZ
- Tighter framing — 800mm vs 530mm focal length
- Lighter (3.3kg vs 10kg) — easier to travel with
Best for — Takahashi Epsilon-160ED
- Large emission nebulae and star clusters
- Fast imaging — short exposures per sub
- Full-frame astro cameras and DSLRs
Best for — Takahashi FC-100DZ
- Medium-sized galaxies and planetary nebulae
- High-resolution long-exposure work
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 FC-100DZ — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 2.58° × 1.72°Scale: 0.97"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 1.68° × 1.12°Scale: 0.97"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 0.81° × 0.81°Scale: 0.97"/px
Takahashi Epsilon-160ED — recommended user
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Takahashi FC-100DZ — recommended user
Best suited for intermediate imagers building a versatile kit running a portable travel rig.