telescopecomparison · 2-way
Astro-Physics 110mm f/6 StarFire GTX vs Askar SQA106
Astro-Physics
110mm f/6 StarFire GTX
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Askar
SQA106
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Key differences
+14% focal length
Slower by 0.5 f-stops
Specifications
| Specification | Astro-Physics 110mm f/6 StarFire GTX | Askar SQA106 |
|---|---|---|
| Optics | ||
| Type | refractor | refractor |
| Optical design | Apo triplet Super-ED | Quadruplet astrograph FPL-51 |
| Aperture | 110mm | 106mm |
| Focal length | 660mm | 580mm |
| Native f/ratio | f/6.0 | f/5.5 |
| Image circle | 50mm | 60mm |
| Full-frame support | Yes | Yes |
| Physical | ||
| Weight | 5.5kg | 6.5kg |
Advantages of Astro-Physics 110mm f/6 StarFire GTX
- Tighter framing — 660mm vs 580mm focal length
- Lighter (5.45kg vs 6.5kg) — easier to travel with
Advantages of Askar SQA106
- Wider field — 580mm vs 660mm focal length
- Faster optics at f/5.5 vs f/6
- Larger image circle (60mm) — supports bigger sensors
Best for — Astro-Physics 110mm f/6 StarFire GTX
- Large emission nebulae and star clusters
- Full-frame astro cameras and DSLRs
Best for — Askar SQA106
- Large emission nebulae and star clusters
- Full-frame astro cameras and DSLRs
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 SQA106 — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 3.56° × 2.37°Scale: 1.34"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 2.32° × 1.55°Scale: 1.34"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 1.12° × 1.12°Scale: 1.34"/px
Astro-Physics 110mm f/6 StarFire GTX — recommended user
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Askar SQA106 — recommended user
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
