telescopecomparison · 2-way
Explore Scientific ED152 FCD-100 vs Askar 151PHQ
Explore Scientific
ED152 FCD-100
Best suited for intermediate imagers building a versatile kit running a permanent observatory setup.
Askar
151PHQ
Best suited for intermediate imagers building a versatile kit running a permanent observatory setup.
Key differences
+8% focal length
Slower by 0.5 f-stops
Specifications
| Specification | Explore Scientific ED152 FCD-100 | Askar 151PHQ |
|---|---|---|
| Optics | ||
| Type | refractor | refractor |
| Optical design | Apo triplet FCD-100 | Petzval quintuplet FPL-51 |
| Aperture | 152mm | 151mm |
| Focal length | 1140mm | 1057mm |
| Native f/ratio | f/7.5 | f/7.0 |
| Image circle | 52mm | 60mm |
| Full-frame support | Yes | Yes |
| Physical | ||
| Weight | 12.0kg | 15.5kg |
Advantages of Explore Scientific ED152 FCD-100
- Lighter (12kg vs 15.5kg) — easier to travel with
Advantages of Askar 151PHQ
- Faster optics at f/7 vs f/7.5
- Larger image circle (60mm) — supports bigger sensors
Best for — Explore Scientific ED152 FCD-100
- Medium-sized galaxies and planetary nebulae
- Full-frame astro cameras and DSLRs
Best for — Askar 151PHQ
- 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
Askar 151PHQ — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 1.95° × 1.30°Scale: 0.73"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 1.27° × 0.85°Scale: 0.73"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 0.61° × 0.61°Scale: 0.73"/px
Explore Scientific ED152 FCD-100 — recommended user
Best suited for intermediate imagers building a versatile kit running a permanent observatory setup.
Askar 151PHQ — recommended user
Best suited for intermediate imagers building a versatile kit running a permanent observatory setup.