telescopecomparison · 2-way
Askar 130PHQ vs Takahashi FSQ-106EDX4
Askar
130PHQ
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Takahashi
FSQ-106EDX4
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Key differences
+89% focal length
+23% aperture
Slower by 2.7 f-stops
Specifications
| Specification | Askar 130PHQ | Takahashi FSQ-106EDX4 |
|---|---|---|
| Optics | ||
| Type | refractor | Refractor |
| Optical design | Petzval quintuplet FPL-51 | Petzval APO |
| Aperture | 130mm | 106mm |
| Focal length | 1000mm | 530mm |
| Native f/ratio | f/7.7 | f/5.0 |
| Image circle | 60mm | 88mm |
| Full-frame support | Yes | Yes |
| Physical | ||
| Weight | 10.2kg | 7.5kg |
Advantages of Askar 130PHQ
- Tighter framing — 1000mm vs 530mm focal length
- 23% more light-gathering aperture
Advantages of Takahashi FSQ-106EDX4
- Wider field — 530mm vs 1000mm focal length
- Faster optics at f/5 vs f/7.7
- Larger image circle (88mm) — supports bigger sensors
- Lighter (7.5kg vs 10.2kg) — easier to travel with
Best for — Askar 130PHQ
- Medium-sized galaxies and planetary nebulae
- Full-frame astro cameras and DSLRs
Best for — Takahashi FSQ-106EDX4
- Large emission nebulae and star clusters
- Fast imaging — short exposures per sub
- Full-frame astro cameras and DSLRs
Askar 130PHQ — 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 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
Askar 130PHQ — recommended user
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Takahashi FSQ-106EDX4 — recommended user
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.