telescopecomparison · 2-way
Takahashi FC-100DL vs Takahashi TOA-130NFB
Takahashi
FC-100DL
Best suited for intermediate imagers building a versatile kit running a portable travel rig.
Takahashi
TOA-130NFB
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Key differences
-10% focal length
-23% aperture
Slower by 1.3 f-stops
Specifications
| Specification | Takahashi FC-100DL | Takahashi TOA-130NFB |
|---|---|---|
| Optics | ||
| Type | refractor | refractor |
| Optical design | Apo doublet fluorite | Apo triplet |
| Aperture | 100mm | 130mm |
| Focal length | 900mm | 1000mm |
| Native f/ratio | f/9.0 | f/7.7 |
| Image circle | 44mm | 88mm |
| Full-frame support | No | Yes |
| Physical | ||
| Weight | 3.3kg | 9.6kg |
Advantages of Takahashi FC-100DL
- Lighter (3.3kg vs 9.6kg) — easier to travel with
Advantages of Takahashi TOA-130NFB
- Tighter framing — 1000mm vs 900mm focal length
- 30% more light-gathering aperture
- Faster optics at f/7.7 vs f/9
- Larger image circle (88mm) — supports bigger sensors
Best for — Takahashi FC-100DL
- Medium-sized galaxies and planetary nebulae
- High-resolution long-exposure work
Best for — Takahashi TOA-130NFB
- Medium-sized galaxies and planetary nebulae
- Full-frame astro cameras and DSLRs
Takahashi FC-100DL — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 2.29° × 1.53°Scale: 0.86"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 1.50° × 1.00°Scale: 0.86"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 0.72° × 0.72°Scale: 0.86"/px
Takahashi TOA-130NFB — 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 FC-100DL — recommended user
Best suited for intermediate imagers building a versatile kit running a portable travel rig.
Takahashi TOA-130NFB — recommended user
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.