telescopecomparison · 2-way
Takahashi FSQ-85EDX vs Unistellar Equinox 2
Takahashi
FSQ-85EDX
Best suited for beginners and wide-field enthusiasts running a portable travel rig.
Unistellar
Equinox 2
Best suited for beginners and wide-field enthusiasts running a backyard imaging setup.
Key differences
-25% aperture
Slower by 1.4 f-stops
Specifications
| Specification | Takahashi FSQ-85EDX | Unistellar Equinox 2 |
|---|---|---|
| Optics | ||
| Type | Refractor | smart-telescope |
| Optical design | Petzval APO | Newtonian all-in-one |
| Aperture | 85mm | 114mm |
| Focal length | 450mm | 450mm |
| Native f/ratio | f/5.3 | f/3.9 |
| Image circle | 44mm | — |
| Full-frame support | Yes | No |
| Physical | ||
| Weight | 4.0kg | 9.0kg |
Advantages of Takahashi FSQ-85EDX
- Larger image circle (44mm) — supports bigger sensors
- Lighter (4kg vs 9kg) — easier to travel with
Advantages of Unistellar Equinox 2
- 34% more light-gathering aperture
- Faster optics at f/3.9 vs f/5.3
Best for — Takahashi FSQ-85EDX
- Large emission nebulae and star clusters
- Full-frame astro cameras and DSLRs
Best for — Unistellar Equinox 2
- Large emission nebulae and star clusters
- Fast imaging — short exposures per sub
Takahashi FSQ-85EDX — 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
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
Takahashi FSQ-85EDX — recommended user
Best suited for beginners and wide-field enthusiasts running a portable travel rig.
Unistellar Equinox 2 — recommended user
Best suited for beginners and wide-field enthusiasts running a backyard imaging setup.