telescopecomparison · 2-way
Takahashi FC-100DZ vs Takahashi FSQ-130ED
Takahashi
FC-100DZ
Best suited for intermediate imagers building a versatile kit running a portable travel rig.
Takahashi
FSQ-130ED
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Key differences
+23% focal length
-23% aperture
Slower by 3.0 f-stops
Specifications
| Specification | Takahashi FC-100DZ | Takahashi FSQ-130ED |
|---|---|---|
| Optics | ||
| Type | refractor | refractor |
| Optical design | Apo doublet fluorite | Petzval quadruplet |
| Aperture | 100mm | 130mm |
| Focal length | 800mm | 650mm |
| Native f/ratio | f/8.0 | f/5.0 |
| Image circle | 44mm | 88mm |
| Full-frame support | No | Yes |
| Physical | ||
| Weight | 3.3kg | 11.0kg |
Advantages of Takahashi FC-100DZ
- Tighter framing — 800mm vs 650mm focal length
- Lighter (3.3kg vs 11kg) — easier to travel with
Advantages of Takahashi FSQ-130ED
- Wider field — 650mm vs 800mm focal length
- 30% more light-gathering aperture
- Faster optics at f/5 vs f/8
- Larger image circle (88mm) — supports bigger sensors
Best for — Takahashi FC-100DZ
- Medium-sized galaxies and planetary nebulae
- High-resolution long-exposure work
Best for — Takahashi FSQ-130ED
- Large emission nebulae and star clusters
- Fast imaging — short exposures per sub
- Full-frame astro cameras and DSLRs
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 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 FC-100DZ — recommended user
Best suited for intermediate imagers building a versatile kit running a portable travel rig.
Takahashi FSQ-130ED — recommended user
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.