telescopecomparison · 2-way
Unistellar Equinox 2 vs Tele Vue NP101is
Unistellar
Equinox 2
Best suited for beginners and wide-field enthusiasts running a backyard imaging setup.
Tele Vue
NP101is
Best suited for intermediate imagers building a versatile kit running a portable travel rig.
Key differences
-17% focal length
+13% aperture
Faster by 1.5 f-stops
Specifications
| Specification | Unistellar Equinox 2 | Tele Vue NP101is |
|---|---|---|
| Optics | ||
| Type | smart-telescope | Refractor |
| Optical design | Newtonian all-in-one | Petzval |
| Aperture | 114mm | 101mm |
| Focal length | 450mm | 540mm |
| Native f/ratio | f/3.9 | f/5.4 |
| Image circle | — | 40mm |
| Full-frame support | No | Yes |
| Physical | ||
| Weight | 9.0kg | 4.5kg |
Advantages of Unistellar Equinox 2
- Wider field — 450mm vs 540mm focal length
- 13% more light-gathering aperture
- Faster optics at f/3.9 vs f/5.4
Advantages of Tele Vue NP101is
- Tighter framing — 540mm vs 450mm focal length
- Larger image circle (40mm) — supports bigger sensors
- Lighter (4.5kg vs 9kg) — easier to travel with
Best for — Unistellar Equinox 2
- Large emission nebulae and star clusters
- Fast imaging — short exposures per sub
Best for — Tele Vue NP101is
- Large emission nebulae and star clusters
- Full-frame astro cameras and DSLRs
Unistellar Equinox 2 — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 4.58° × 3.06°Scale: 1.72"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 2.99° × 2.00°Scale: 1.72"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 1.44° × 1.44°Scale: 1.72"/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
Unistellar Equinox 2 — recommended user
Best suited for beginners and wide-field enthusiasts running a backyard imaging setup.
Tele Vue NP101is — recommended user
Best suited for intermediate imagers building a versatile kit running a portable travel rig.