telescopecomparison · 2-way
Celestron C6 SCT vs Borg 107FL
Borg
107FL
Best suited for intermediate imagers building a versatile kit running a portable travel rig.
Key differences
+150% focal length
+40% aperture
Slower by 4.4 f-stops
Specifications
| Specification | Celestron C6 SCT | Borg 107FL |
|---|---|---|
| Optics | ||
| Type | sct | refractor |
| Optical design | Schmidt-Cassegrain | Apo doublet fluorite |
| Aperture | 150mm | 107mm |
| Focal length | 1500mm | 600mm |
| Native f/ratio | f/10.0 | f/5.6 |
| Image circle | — | — |
| Full-frame support | No | Yes |
| Physical | ||
| Weight | 4.5kg | 3.5kg |
Advantages of Celestron C6 SCT
- Tighter framing — 1500mm vs 600mm focal length
- 40% more light-gathering aperture
Advantages of Borg 107FL
- Wider field — 600mm vs 1500mm focal length
- Faster optics at f/5.6 vs f/10
- Lighter (3.5kg vs 4.5kg) — easier to travel with
Best for — Celestron C6 SCT
- Small galaxies, planetary nebulae, lunar & planetary detail
- High-resolution long-exposure work
Best for — Borg 107FL
- Large emission nebulae and star clusters
- 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
Borg 107FL — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 3.44° × 2.29°Scale: 1.29"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 2.24° × 1.50°Scale: 1.29"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 1.08° × 1.08°Scale: 1.29"/px
Celestron C6 SCT — recommended user
Best suited for experienced imagers chasing detail running a portable travel rig.
Borg 107FL — recommended user
Best suited for intermediate imagers building a versatile kit running a portable travel rig.