telescopecomparison · 2-way
Askar 130PHQ vs SharpStar 140PH
Askar
130PHQ
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
SharpStar
140PH
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Key differences
-7% aperture
Slower by 0.7 f-stops
Specifications
| Specification | Askar 130PHQ | SharpStar 140PH |
|---|---|---|
| Optics | ||
| Type | refractor | refractor |
| Optical design | Petzval quintuplet FPL-51 | Apo triplet FPL-53 |
| Aperture | 130mm | 140mm |
| Focal length | 1000mm | 980mm |
| Native f/ratio | f/7.7 | f/7.0 |
| Image circle | 60mm | 52mm |
| Full-frame support | Yes | Yes |
| Physical | ||
| Weight | 10.2kg | 9.5kg |
Advantages of Askar 130PHQ
- Larger image circle (60mm) — supports bigger sensors
Advantages of SharpStar 140PH
- Faster optics at f/7 vs f/7.7
Best for — Askar 130PHQ
- Medium-sized galaxies and planetary nebulae
- Full-frame astro cameras and DSLRs
Best for — SharpStar 140PH
- Medium-sized galaxies and planetary nebulae
- 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
SharpStar 140PH — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 2.10° × 1.40°Scale: 0.79"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 1.37° × 0.92°Scale: 0.79"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 0.66° × 0.66°Scale: 0.79"/px
Askar 130PHQ — recommended user
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
SharpStar 140PH — recommended user
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.