telescopecomparison · 2-way
Askar 107PHQ vs Askar 130PHQ
Askar
107PHQ
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Askar
130PHQ
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Key differences
-25% focal length
-18% aperture
Faster by 0.7 f-stops
Specifications
| Specification | Askar 107PHQ | Askar 130PHQ |
|---|---|---|
| Optics | ||
| Type | refractor | refractor |
| Optical design | Petzval quintuplet FPL-51 | Petzval quintuplet FPL-51 |
| Aperture | 107mm | 130mm |
| Focal length | 749mm | 1000mm |
| Native f/ratio | f/7.0 | f/7.7 |
| Image circle | 60mm | 60mm |
| Full-frame support | Yes | Yes |
| Physical | ||
| Weight | 7.5kg | 10.2kg |
Advantages of Askar 107PHQ
- Wider field — 749mm vs 1000mm focal length
- Faster optics at f/7 vs f/7.7
- Lighter (7.5kg vs 10.2kg) — easier to travel with
Advantages of Askar 130PHQ
- Tighter framing — 1000mm vs 749mm focal length
- 21% more light-gathering aperture
Best for — Askar 107PHQ
- Medium-sized galaxies and planetary nebulae
- Full-frame astro cameras and DSLRs
Best for — Askar 130PHQ
- Medium-sized galaxies and planetary nebulae
- Full-frame astro cameras and DSLRs
Askar 107PHQ — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 2.75° × 1.84°Scale: 1.04"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 1.80° × 1.20°Scale: 1.04"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 0.86° × 0.86°Scale: 1.04"/px
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
Askar 107PHQ — recommended user
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Askar 130PHQ — recommended user
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.