telescopecomparison · 2-way
Unistellar Odyssey vs Sky-Watcher Esprit 80ED
Unistellar
Odyssey
Best suited for beginners and wide-field enthusiasts running a portable travel rig.
Sky-Watcher
Esprit 80ED
Best suited for beginners and wide-field enthusiasts running a backyard imaging setup.
Key differences
-20% focal length
+6% aperture
Faster by 1.1 f-stops
Specifications
| Specification | Unistellar Odyssey | Sky-Watcher Esprit 80ED |
|---|---|---|
| Optics | ||
| Type | smart-telescope | Refractor |
| Optical design | Newtonian reflector all-in-one | Triplet APO |
| Aperture | 85mm | 80mm |
| Focal length | 320mm | 400mm |
| Native f/ratio | f/3.9 | f/5.0 |
| Image circle | — | 44mm |
| Full-frame support | No | Yes |
| Physical | ||
| Weight | 4.0kg | 5.7kg |
Advantages of Unistellar Odyssey
- Wider field — 320mm vs 400mm focal length
- Faster optics at f/3.9 vs f/5
- Lighter (3.99kg vs 5.7kg) — easier to travel with
Advantages of Sky-Watcher Esprit 80ED
- Tighter framing — 400mm vs 320mm focal length
- Larger image circle (44mm) — supports bigger sensors
Best for — Unistellar Odyssey
- Wide-field nebulae and Milky Way regions
- Fast imaging — short exposures per sub
Best for — Sky-Watcher Esprit 80ED
- Large emission nebulae and star clusters
- Fast imaging — short exposures per sub
- Full-frame astro cameras and DSLRs
Unistellar Odyssey — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 6.45° × 4.30°Scale: 2.42"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 4.21° × 2.81°Scale: 2.42"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 2.02° × 2.02°Scale: 2.42"/px
Sky-Watcher Esprit 80ED — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 5.16° × 3.44°Scale: 1.94"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 3.37° × 2.25°Scale: 1.94"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 1.62° × 1.62°Scale: 1.94"/px
Unistellar Odyssey — recommended user
Best suited for beginners and wide-field enthusiasts running a portable travel rig.
Sky-Watcher Esprit 80ED — recommended user
Best suited for beginners and wide-field enthusiasts running a backyard imaging setup.
