telescopecomparison · 2-way
ZWO FF131 APO vs Explore Scientific ED127 FCD-100
ZWO
FF131 APO
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Explore Scientific
ED127 FCD-100
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Specifications
| Specification | ZWO FF131 APO | Explore Scientific ED127 FCD-100 |
|---|---|---|
| Optics | ||
| Type | refractor | Refractor |
| Optical design | Apo quadruplet ED | Triplet APO |
| Aperture | 131mm | 127mm |
| Focal length | 983mm | 952mm |
| Native f/ratio | f/7.5 | f/7.5 |
| Image circle | 44mm | 40mm |
| Full-frame support | Yes | Yes |
| Physical | ||
| Weight | 7.9kg | 8.6kg |
Advantages of ZWO FF131 APO
Closely matched on the compared specs.
Advantages of Explore Scientific ED127 FCD-100
Closely matched on the compared specs.
Best for — ZWO FF131 APO
- Medium-sized galaxies and planetary nebulae
- Full-frame astro cameras and DSLRs
Best for — Explore Scientific ED127 FCD-100
- Medium-sized galaxies and planetary nebulae
- Full-frame astro cameras and DSLRs
ZWO FF131 APO — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 2.10° × 1.40°Scale: 0.79"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 1.37° × 0.92°Scale: 0.79"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 0.66° × 0.66°Scale: 0.79"/px
Explore Scientific ED127 FCD-100 — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 2.17° × 1.44°Scale: 0.81"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 1.41° × 0.94°Scale: 0.81"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 0.68° × 0.68°Scale: 0.81"/px
ZWO FF131 APO — recommended user
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Explore Scientific ED127 FCD-100 — recommended user
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
