telescopecomparison · 2-way
Explore Scientific ED152 FCD-100 vs Sky-Watcher Esprit 150ED
Explore Scientific
ED152 FCD-100
Best suited for intermediate imagers building a versatile kit running a permanent observatory setup.
Sky-Watcher
Esprit 150ED
Best suited for intermediate imagers building a versatile kit running a permanent observatory setup.
Key differences
+9% focal length
Slower by 0.5 f-stops
Specifications
| Specification | Explore Scientific ED152 FCD-100 | Sky-Watcher Esprit 150ED |
|---|---|---|
| Optics | ||
| Type | refractor | Refractor |
| Optical design | Apo triplet FCD-100 | Triplet APO |
| Aperture | 152mm | 150mm |
| Focal length | 1140mm | 1050mm |
| Native f/ratio | f/7.5 | f/7.0 |
| Image circle | 52mm | 44mm |
| Full-frame support | Yes | Yes |
| Physical | ||
| Weight | 12.0kg | 17.0kg |
Advantages of Explore Scientific ED152 FCD-100
- Larger image circle (52mm) — supports bigger sensors
- Lighter (12kg vs 17kg) — easier to travel with
Advantages of Sky-Watcher Esprit 150ED
- Faster optics at f/7 vs f/7.5
Best for — Explore Scientific ED152 FCD-100
- Medium-sized galaxies and planetary nebulae
- Full-frame astro cameras and DSLRs
Best for — Sky-Watcher Esprit 150ED
- Medium-sized galaxies and planetary nebulae
- Full-frame astro cameras and DSLRs
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
Sky-Watcher Esprit 150ED — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 1.96° × 1.31°Scale: 0.74"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 1.28° × 0.86°Scale: 0.74"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 0.62° × 0.62°Scale: 0.74"/px
Explore Scientific ED152 FCD-100 — recommended user
Best suited for intermediate imagers building a versatile kit running a permanent observatory setup.
Sky-Watcher Esprit 150ED — recommended user
Best suited for intermediate imagers building a versatile kit running a permanent observatory setup.