telescopecomparison · 2-way
Astro-Physics 190mm f/6 StarFire CS vs Explore Scientific ED152 FCD-100
Astro-Physics
190mm f/6 StarFire CS
Best suited for intermediate imagers building a versatile kit running a permanent observatory setup.
Explore Scientific
ED152 FCD-100
Best suited for intermediate imagers building a versatile kit running a permanent observatory setup.
Key differences
+25% aperture
Faster by 1.5 f-stops
Specifications
| Specification | Astro-Physics 190mm f/6 StarFire CS | Explore Scientific ED152 FCD-100 |
|---|---|---|
| Optics | ||
| Type | refractor | refractor |
| Optical design | Christen Superachromat (4-element) | Apo triplet FCD-100 |
| Aperture | 190mm | 152mm |
| Focal length | 1140mm | 1140mm |
| Native f/ratio | f/6.0 | f/7.5 |
| Image circle | 64mm | 52mm |
| Full-frame support | Yes | Yes |
| Physical | ||
| Weight | 17.7kg | 12.0kg |
Advantages of Astro-Physics 190mm f/6 StarFire CS
- 25% more light-gathering aperture
- Faster optics at f/6 vs f/7.5
- Larger image circle (64mm) — supports bigger sensors
Advantages of Explore Scientific ED152 FCD-100
- Lighter (12kg vs 17.7kg) — easier to travel with
Best for — Astro-Physics 190mm f/6 StarFire CS
- 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
Astro-Physics 190mm f/6 StarFire CS — 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 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
Astro-Physics 190mm f/6 StarFire CS — recommended user
Best suited for intermediate imagers building a versatile kit running a permanent observatory setup.
Explore Scientific ED152 FCD-100 — recommended user
Best suited for intermediate imagers building a versatile kit running a permanent observatory setup.
