telescopecomparison · 2-way
Tele Vue NP101is vs Askar SQA106
Tele Vue
NP101is
Best suited for intermediate imagers building a versatile kit running a portable travel rig.
Askar
SQA106
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Key differences
-7% focal length
Specifications
| Specification | Tele Vue NP101is | Askar SQA106 |
|---|---|---|
| Optics | ||
| Type | Refractor | refractor |
| Optical design | Petzval | Quadruplet astrograph FPL-51 |
| Aperture | 101mm | 106mm |
| Focal length | 540mm | 580mm |
| Native f/ratio | f/5.4 | f/5.5 |
| Image circle | 40mm | 60mm |
| Full-frame support | Yes | Yes |
| Physical | ||
| Weight | 4.5kg | 6.5kg |
Advantages of Tele Vue NP101is
- Lighter (4.5kg vs 6.5kg) — easier to travel with
Advantages of Askar SQA106
- Larger image circle (60mm) — supports bigger sensors
Best for — Tele Vue NP101is
- 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
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 — 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 — recommended user
Best suited for intermediate imagers building a versatile kit running a portable travel rig.
Askar SQA106 — recommended user
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.