telescopecomparison · 2-way
SharpStar 140PH vs Tele Vue NP127fli
SharpStar
140PH
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Tele Vue
NP127fli
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Key differences
+48% focal length
+10% aperture
Slower by 1.8 f-stops
Specifications
| Specification | SharpStar 140PH | Tele Vue NP127fli |
|---|---|---|
| Optics | ||
| Type | refractor | refractor |
| Optical design | Apo triplet FPL-53 | Nagler-Petzval |
| Aperture | 140mm | 127mm |
| Focal length | 980mm | 660mm |
| Native f/ratio | f/7.0 | f/5.2 |
| Image circle | 52mm | 52mm |
| Full-frame support | Yes | Yes |
| Physical | ||
| Weight | 9.5kg | 9.5kg |
Advantages of SharpStar 140PH
- Tighter framing — 980mm vs 660mm focal length
- 10% more light-gathering aperture
Advantages of Tele Vue NP127fli
- Wider field — 660mm vs 980mm focal length
- Faster optics at f/5.2 vs f/7
Best for — SharpStar 140PH
- Medium-sized galaxies and planetary nebulae
- Full-frame astro cameras and DSLRs
Best for — Tele Vue NP127fli
- Large emission nebulae and star clusters
- 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
Tele Vue NP127fli — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 3.13° × 2.08°Scale: 1.18"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 2.04° × 1.36°Scale: 1.18"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 0.98° × 0.98°Scale: 1.18"/px
SharpStar 140PH — recommended user
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Tele Vue NP127fli — recommended user
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.