telescopecomparison · 2-way
Celestron C6 SCT vs Orion EON 130mm ED Triplet
Orion
EON 130mm ED Triplet
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Key differences
+65% focal length
+15% aperture
Slower by 3.0 f-stops
Specifications
| Specification | Celestron C6 SCT | Orion EON 130mm ED Triplet |
|---|---|---|
| Optics | ||
| Type | sct | refractor |
| Optical design | Schmidt-Cassegrain | Apo triplet FPL-53 |
| Aperture | 150mm | 130mm |
| Focal length | 1500mm | 910mm |
| Native f/ratio | f/10.0 | f/7.0 |
| Image circle | — | 44mm |
| Full-frame support | No | Yes |
| Physical | ||
| Weight | 4.5kg | 7.7kg |
Advantages of Celestron C6 SCT
- Tighter framing — 1500mm vs 910mm focal length
- 15% more light-gathering aperture
- Lighter (4.5kg vs 7.7kg) — easier to travel with
Advantages of Orion EON 130mm ED Triplet
- Wider field — 910mm vs 1500mm focal length
- Faster optics at f/7 vs f/10
- Larger image circle (44mm) — supports bigger sensors
Best for — Celestron C6 SCT
- Small galaxies, planetary nebulae, lunar & planetary detail
- High-resolution long-exposure work
Best for — Orion EON 130mm ED Triplet
- 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
Orion EON 130mm ED Triplet — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 2.27° × 1.51°Scale: 0.85"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 1.48° × 0.99°Scale: 0.85"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 0.71° × 0.71°Scale: 0.85"/px
Celestron C6 SCT — recommended user
Best suited for experienced imagers chasing detail running a portable travel rig.
Orion EON 130mm ED Triplet — recommended user
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.