telescopecomparison · 2-way
Askar SQA106 vs Tele Vue NP101is
Askar
SQA106
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Tele Vue
NP101is
Best suited for intermediate imagers building a versatile kit running a portable travel rig.
Key differences
+7% focal length
Specifications
| Specification | Askar SQA106 | Tele Vue NP101is |
|---|---|---|
| Optics | ||
| Type | refractor | Refractor |
| Optical design | Quadruplet astrograph FPL-51 | Petzval |
| Aperture | 106mm | 101mm |
| Focal length | 580mm | 540mm |
| Native f/ratio | f/5.5 | f/5.4 |
| Image circle | 60mm | 40mm |
| Full-frame support | Yes | Yes |
| Physical | ||
| Weight | 6.5kg | 4.5kg |
Advantages of Askar SQA106
- Larger image circle (60mm) — supports bigger sensors
Advantages of Tele Vue NP101is
- Lighter (4.5kg vs 6.5kg) — easier to travel with
Best for — Askar SQA106
- Large emission nebulae and star clusters
- Full-frame astro cameras and DSLRs
Best for — Tele Vue NP101is
- Large emission nebulae and star clusters
- Full-frame astro cameras and DSLRs
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
Tele Vue NP101is — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 3.82° × 2.55°Scale: 1.44"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 2.49° × 1.67°Scale: 1.44"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 1.20° × 1.20°Scale: 1.44"/px
Askar SQA106 — recommended user
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Tele Vue NP101is — recommended user
Best suited for intermediate imagers building a versatile kit running a portable travel rig.