telescopecomparison · 2-way
Takahashi FSQ-106EDX4 vs Tele Vue NP101is
Takahashi
FSQ-106EDX4
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Tele Vue
NP101is
Best suited for intermediate imagers building a versatile kit running a portable travel rig.
Key differences
Faster by 0.4 f-stops
Specifications
| Specification | Takahashi FSQ-106EDX4 | Tele Vue NP101is |
|---|---|---|
| Optics | ||
| Type | Refractor | Refractor |
| Optical design | Petzval APO | Petzval |
| Aperture | 106mm | 101mm |
| Focal length | 530mm | 540mm |
| Native f/ratio | f/5.0 | f/5.4 |
| Image circle | 88mm | 40mm |
| Full-frame support | Yes | Yes |
| Physical | ||
| Weight | 7.5kg | 4.5kg |
Advantages of Takahashi FSQ-106EDX4
- Faster optics at f/5 vs f/5.4
- Larger image circle (88mm) — supports bigger sensors
Advantages of Tele Vue NP101is
- Lighter (4.5kg vs 7.5kg) — easier to travel with
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 — Tele Vue NP101is
- Large emission nebulae and star clusters
- 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
Tele Vue NP101is — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 3.82° × 2.55°Scale: 1.44"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 2.49° × 1.67°Scale: 1.44"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 1.20° × 1.20°Scale: 1.44"/px
Takahashi FSQ-106EDX4 — recommended user
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Tele Vue NP101is — recommended user
Best suited for intermediate imagers building a versatile kit running a portable travel rig.