telescopecomparison · 2-way
Explore Scientific ED127 FCD-100 vs William Optics FLT 132
Explore Scientific
ED127 FCD-100
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
William Optics
FLT 132
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Key differences
Slower by 0.5 f-stops
Specifications
| Specification | Explore Scientific ED127 FCD-100 | William Optics FLT 132 |
|---|---|---|
| Optics | ||
| Type | Refractor | refractor |
| Optical design | Triplet APO | Apo triplet FPL-53 |
| Aperture | 127mm | 132mm |
| Focal length | 952mm | 925mm |
| Native f/ratio | f/7.5 | f/7.0 |
| Image circle | 40mm | 52mm |
| Full-frame support | Yes | Yes |
| Physical | ||
| Weight | 8.6kg | 7.9kg |
Advantages of Explore Scientific ED127 FCD-100
Closely matched on the compared specs.
Advantages of William Optics FLT 132
- Faster optics at f/7 vs f/7.5
- Larger image circle (52mm) — supports bigger sensors
Best for — Explore Scientific ED127 FCD-100
- Medium-sized galaxies and planetary nebulae
- Full-frame astro cameras and DSLRs
Best for — William Optics FLT 132
- Medium-sized galaxies and planetary nebulae
- Full-frame astro cameras and DSLRs
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
William Optics FLT 132 — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 2.23° × 1.49°Scale: 0.84"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 1.46° × 0.97°Scale: 0.84"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 0.70° × 0.70°Scale: 0.84"/px
Explore Scientific ED127 FCD-100 — recommended user
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
William Optics FLT 132 — recommended user
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.