telescopecomparison · 2-way
SharpStar 100QII vs Askar SQA106
SharpStar
100QII
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
-5% focal length
-6% aperture
Specifications
| Specification | SharpStar 100QII | Askar SQA106 |
|---|---|---|
| Optics | ||
| Type | refractor | refractor |
| Optical design | Quadruplet astrograph | Quadruplet astrograph FPL-51 |
| Aperture | 100mm | 106mm |
| Focal length | 550mm | 580mm |
| Native f/ratio | f/5.5 | f/5.5 |
| Image circle | 44mm | 60mm |
| Full-frame support | Yes | Yes |
| Physical | ||
| Weight | 5.5kg | 6.5kg |
Advantages of SharpStar 100QII
- Lighter (5.5kg vs 6.5kg) — easier to travel with
Advantages of Askar SQA106
- Larger image circle (60mm) — supports bigger sensors
Best for — SharpStar 100QII
- 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
SharpStar 100QII — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 3.75° × 2.50°Scale: 1.41"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 2.45° × 1.64°Scale: 1.41"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 1.18° × 1.18°Scale: 1.41"/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
SharpStar 100QII — 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.