telescopecomparison · 2-way
Takahashi FC-100DL vs Takahashi FC-100DZ
Takahashi
FC-100DL
Best suited for intermediate imagers building a versatile kit running a portable travel rig.
Takahashi
FC-100DZ
Best suited for intermediate imagers building a versatile kit running a portable travel rig.
Key differences
+13% focal length
Slower by 1.0 f-stops
Specifications
| Specification | Takahashi FC-100DL | Takahashi FC-100DZ |
|---|---|---|
| Optics | ||
| Type | refractor | refractor |
| Optical design | Apo doublet fluorite | Apo doublet fluorite |
| Aperture | 100mm | 100mm |
| Focal length | 900mm | 800mm |
| Native f/ratio | f/9.0 | f/8.0 |
| Image circle | 44mm | 44mm |
| Full-frame support | No | No |
| Physical | ||
| Weight | 3.3kg | 3.3kg |
Advantages of Takahashi FC-100DL
- Tighter framing — 900mm vs 800mm focal length
Advantages of Takahashi FC-100DZ
- Wider field — 800mm vs 900mm focal length
- Faster optics at f/8 vs f/9
Best for — Takahashi FC-100DL
- Medium-sized galaxies and planetary nebulae
- High-resolution long-exposure work
Best for — Takahashi FC-100DZ
- Medium-sized galaxies and planetary nebulae
- High-resolution long-exposure work
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 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 FC-100DL — recommended user
Best suited for intermediate imagers building a versatile kit running a portable travel rig.
Takahashi FC-100DZ — recommended user
Best suited for intermediate imagers building a versatile kit running a portable travel rig.