telescopecomparison · 2-way
Celestron C6 SCT vs Explore Scientific ED152 FCD-100
Explore Scientific
ED152 FCD-100
Best suited for intermediate imagers building a versatile kit running a permanent observatory setup.
Key differences
+32% focal length
Slower by 2.5 f-stops
Specifications
| Specification | Celestron C6 SCT | Explore Scientific ED152 FCD-100 |
|---|---|---|
| Optics | ||
| Type | sct | refractor |
| Optical design | Schmidt-Cassegrain | Apo triplet FCD-100 |
| Aperture | 150mm | 152mm |
| Focal length | 1500mm | 1140mm |
| Native f/ratio | f/10.0 | f/7.5 |
| Image circle | — | 52mm |
| Full-frame support | No | Yes |
| Physical | ||
| Weight | 4.5kg | 12.0kg |
Advantages of Celestron C6 SCT
- Tighter framing — 1500mm vs 1140mm focal length
- Lighter (4.5kg vs 12kg) — easier to travel with
Advantages of Explore Scientific ED152 FCD-100
- Wider field — 1140mm vs 1500mm focal length
- Faster optics at f/7.5 vs f/10
- Larger image circle (52mm) — supports bigger sensors
Best for — Celestron C6 SCT
- Small galaxies, planetary nebulae, lunar & planetary detail
- High-resolution long-exposure work
Best for — Explore Scientific ED152 FCD-100
- Medium-sized galaxies and planetary nebulae
- Full-frame astro cameras and DSLRs
Celestron C6 SCT — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 1.38° × 0.92°Scale: 0.52"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 0.90° × 0.60°Scale: 0.52"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 0.43° × 0.43°Scale: 0.52"/px
Explore Scientific ED152 FCD-100 — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 1.81° × 1.21°Scale: 0.68"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 1.18° × 0.79°Scale: 0.68"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 0.57° × 0.57°Scale: 0.68"/px
Celestron C6 SCT — recommended user
Best suited for experienced imagers chasing detail running a portable travel rig.
Explore Scientific ED152 FCD-100 — recommended user
Best suited for intermediate imagers building a versatile kit running a permanent observatory setup.