telescopecomparison · 2-way
Explore Scientific ED102 FCD-100 vs Askar 107PHQ

Explore Scientific
ED102 FCD-100
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.

Askar
107PHQ
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Specifications
| Specification | Explore Scientific ED102 FCD-100 | Askar 107PHQ |
|---|---|---|
| Optics | ||
| Type | refractor | refractor |
| Optical design | Apo triplet FCD-100 | Petzval quintuplet FPL-51 |
| Aperture | 102mm | 107mm |
| Focal length | 714mm | 749mm |
| Native f/ratio | f/7.0 | f/7.0 |
| Image circle | 44mm | 44mm |
| Full-frame support | Yes | Yes |
| Physical | ||
| Weight | 5.5kg | 7.5kg |
Advantages of Explore Scientific ED102 FCD-100
- Lighter (5.5kg vs 7.5kg) — easier to travel with
Advantages of Askar 107PHQ
Closely matched on the compared specs.
Best for — Explore Scientific ED102 FCD-100
- Medium-sized galaxies and planetary nebulae
- Full-frame astro cameras and DSLRs
Best for — Askar 107PHQ
- Medium-sized galaxies and planetary nebulae
- Full-frame astro cameras and DSLRs
Explore Scientific ED102 FCD-100 — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 2.89° × 1.93°Scale: 1.09"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 1.89° × 1.26°Scale: 1.09"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 0.91° × 0.91°Scale: 1.09"/px
Askar 107PHQ — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 2.75° × 1.84°Scale: 1.04"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 1.80° × 1.20°Scale: 1.04"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 0.86° × 0.86°Scale: 1.04"/px
Explore Scientific ED102 FCD-100 — recommended user
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Askar 107PHQ — recommended user
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.