telescopecomparison · 2-way
Celestron EdgeHD 8 vs Tele Vue NP127fli
Celestron
EdgeHD 8
Best suited for experienced imagers chasing detail running a backyard imaging setup.
Tele Vue
NP127fli
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Key differences
+208% focal length
+60% aperture
Slower by 4.8 f-stops
Specifications
| Specification | Celestron EdgeHD 8 | Tele Vue NP127fli |
|---|---|---|
| Optics | ||
| Type | SCT | refractor |
| Optical design | Aplanatic SCT | Nagler-Petzval |
| Aperture | 203mm | 127mm |
| Focal length | 2032mm | 660mm |
| Native f/ratio | f/10.0 | f/5.2 |
| Image circle | 42mm | 52mm |
| Full-frame support | Yes | Yes |
| Physical | ||
| Weight | 6.4kg | 9.5kg |
Advantages of Celestron EdgeHD 8
- Tighter framing — 2032mm vs 660mm focal length
- 60% more light-gathering aperture
- Lighter (6.4kg vs 9.5kg) — easier to travel with
Advantages of Tele Vue NP127fli
- Wider field — 660mm vs 2032mm focal length
- Faster optics at f/5.2 vs f/10
- Larger image circle (52mm) — supports bigger sensors
Best for — Celestron EdgeHD 8
- Small galaxies, planetary nebulae, lunar & planetary detail
- High-resolution long-exposure work
- Faint-object imaging under dark skies
- Full-frame astro cameras and DSLRs
Best for — Tele Vue NP127fli
- Large emission nebulae and star clusters
- Full-frame astro cameras and DSLRs
Celestron EdgeHD 8 — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 1.02° × 0.68°Scale: 0.38"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 0.66° × 0.44°Scale: 0.38"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 0.32° × 0.32°Scale: 0.38"/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
Celestron EdgeHD 8 — recommended user
Best suited for experienced imagers chasing detail running a backyard imaging setup.
Tele Vue NP127fli — recommended user
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.