telescopecomparison · 2-way
Explore Scientific ED127 FCD-100 vs Explore Scientific ED152 FCD-100
Explore Scientific
ED127 FCD-100
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Explore Scientific
ED152 FCD-100
Best suited for intermediate imagers building a versatile kit running a permanent observatory setup.
Key differences
-16% focal length
-16% aperture
Specifications
| Specification | Explore Scientific ED127 FCD-100 | Explore Scientific ED152 FCD-100 |
|---|---|---|
| Optics | ||
| Type | Refractor | refractor |
| Optical design | Triplet APO | Apo triplet FCD-100 |
| Aperture | 127mm | 152mm |
| Focal length | 952mm | 1140mm |
| Native f/ratio | f/7.5 | f/7.5 |
| Image circle | 40mm | 52mm |
| Full-frame support | Yes | Yes |
| Physical | ||
| Weight | 8.6kg | 12.0kg |
Advantages of Explore Scientific ED127 FCD-100
- Wider field — 952mm vs 1140mm focal length
- Lighter (8.6kg vs 12kg) — easier to travel with
Advantages of Explore Scientific ED152 FCD-100
- Tighter framing — 1140mm vs 952mm focal length
- 20% more light-gathering aperture
- 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 — Explore Scientific ED152 FCD-100
- 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
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
Explore Scientific ED127 FCD-100 — recommended user
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Explore Scientific ED152 FCD-100 — recommended user
Best suited for intermediate imagers building a versatile kit running a permanent observatory setup.