telescopecomparison · 2-way
Celestron EdgeHD 8 vs Celestron EdgeHD 14

Celestron
EdgeHD 8
Best suited for experienced imagers chasing detail running a backyard imaging setup.

Celestron
EdgeHD 14
Best suited for experienced imagers chasing detail running a permanent observatory setup.
Key differences
-48% focal length
-43% aperture
Faster by 1.0 f-stops
Specifications
| Specification | Celestron EdgeHD 8 | Celestron EdgeHD 14 |
|---|---|---|
| Optics | ||
| Type | SCT | sct |
| Optical design | Aplanatic SCT | Aplanatic SCT |
| Aperture | 203mm | 356mm |
| Focal length | 2032mm | 3910mm |
| Native f/ratio | f/10.0 | f/11.0 |
| Image circle | 42mm | 42mm |
| Full-frame support | Yes | Yes |
| Physical | ||
| Weight | 6.4kg | 20.0kg |
Advantages of Celestron EdgeHD 8
- Wider field — 2032mm vs 3910mm focal length
- Faster optics at f/10 vs f/11
- Lighter (6.4kg vs 20kg) — easier to travel with
Advantages of Celestron EdgeHD 14
- Tighter framing — 3910mm vs 2032mm focal length
- 75% more light-gathering aperture
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 — Celestron EdgeHD 14
- Small galaxies, planetary nebulae, lunar & planetary detail
- High-resolution long-exposure work
- Faint-object imaging under dark skies
- 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
Celestron EdgeHD 14 — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 0.53° × 0.35°Scale: 0.20"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 0.34° × 0.23°Scale: 0.20"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 0.17° × 0.17°Scale: 0.20"/px
Celestron EdgeHD 8 — recommended user
Best suited for experienced imagers chasing detail running a backyard imaging setup.
Celestron EdgeHD 14 — recommended user
Best suited for experienced imagers chasing detail running a permanent observatory setup.