telescopecomparison · 2-way
Askar FRA600 vs Astro-Physics 110mm f/6 StarFire GTX
Askar
FRA600
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Astro-Physics
110mm f/6 StarFire GTX
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Key differences
-9% focal length
Faster by 0.4 f-stops
Specifications
| Specification | Askar FRA600 | Astro-Physics 110mm f/6 StarFire GTX |
|---|---|---|
| Optics | ||
| Type | Refractor | refractor |
| Optical design | Petzval Quintuplet APO | Apo triplet Super-ED |
| Aperture | 108mm | 110mm |
| Focal length | 600mm | 660mm |
| Native f/ratio | f/5.6 | f/6.0 |
| Image circle | 60mm | 50mm |
| Full-frame support | Yes | Yes |
| Physical | ||
| Weight | 7.8kg | 5.5kg |
Advantages of Askar FRA600
- Faster optics at f/5.6 vs f/6
- Larger image circle (60mm) — supports bigger sensors
Advantages of Astro-Physics 110mm f/6 StarFire GTX
- Lighter (5.45kg vs 7.8kg) — easier to travel with
Best for — Askar FRA600
- Large emission nebulae and star clusters
- Full-frame astro cameras and DSLRs
Best for — Astro-Physics 110mm f/6 StarFire GTX
- Large emission nebulae and star clusters
- Full-frame astro cameras and DSLRs
Askar FRA600 — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 3.44° × 2.29°Scale: 1.29"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 2.24° × 1.50°Scale: 1.29"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 1.08° × 1.08°Scale: 1.29"/px
Astro-Physics 110mm f/6 StarFire GTX — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 3.13° × 2.08°Scale: 1.18"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 2.04° × 1.36°Scale: 1.18"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 0.98° × 0.98°Scale: 1.18"/px
Askar FRA600 — recommended user
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Astro-Physics 110mm f/6 StarFire GTX — recommended user
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
