telescopecomparison · 2-way
SharpStar 140PH vs Takahashi TOA-130NFB
SharpStar
140PH
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Takahashi
TOA-130NFB
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Key differences
+8% aperture
Faster by 0.7 f-stops
Specifications
| Specification | SharpStar 140PH | Takahashi TOA-130NFB |
|---|---|---|
| Optics | ||
| Type | refractor | refractor |
| Optical design | Apo triplet FPL-53 | Apo triplet |
| Aperture | 140mm | 130mm |
| Focal length | 980mm | 1000mm |
| Native f/ratio | f/7.0 | f/7.7 |
| Image circle | 52mm | 88mm |
| Full-frame support | Yes | Yes |
| Physical | ||
| Weight | 9.5kg | 9.6kg |
Advantages of SharpStar 140PH
- Faster optics at f/7 vs f/7.7
Advantages of Takahashi TOA-130NFB
- Larger image circle (88mm) — supports bigger sensors
Best for — SharpStar 140PH
- Medium-sized galaxies and planetary nebulae
- Full-frame astro cameras and DSLRs
Best for — Takahashi TOA-130NFB
- Medium-sized galaxies and planetary nebulae
- Full-frame astro cameras and DSLRs
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
Takahashi TOA-130NFB — 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 — recommended user
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Takahashi TOA-130NFB — recommended user
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.