telescopecomparison · 2-way
Unistellar Odyssey vs SharpStar 61EDPH III
Unistellar
Odyssey
Best suited for beginners and wide-field enthusiasts running a portable travel rig.
SharpStar
61EDPH III
Best suited for beginners and wide-field enthusiasts running a portable travel rig.
Key differences
+39% aperture
Faster by 1.6 f-stops
Specifications
| Specification | Unistellar Odyssey | SharpStar 61EDPH III |
|---|---|---|
| Optics | ||
| Type | smart-telescope | Refractor |
| Optical design | Newtonian reflector all-in-one | Doublet APO |
| Aperture | 85mm | 61mm |
| Focal length | 320mm | 335mm |
| Native f/ratio | f/3.9 | f/5.5 |
| Image circle | — | 32mm |
| Full-frame support | No | No |
| Physical | ||
| Weight | 4.0kg | 2.4kg |
Advantages of Unistellar Odyssey
- 39% more light-gathering aperture
- Faster optics at f/3.9 vs f/5.5
Advantages of SharpStar 61EDPH III
- Larger image circle (32mm) — supports bigger sensors
- Lighter (2.4kg vs 3.99kg) — easier to travel with
Best for — Unistellar Odyssey
- Wide-field nebulae and Milky Way regions
- Fast imaging — short exposures per sub
Best for — SharpStar 61EDPH III
- Wide-field nebulae and Milky Way regions
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
SharpStar 61EDPH III — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 6.16° × 4.11°Scale: 2.32"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 4.02° × 2.69°Scale: 2.32"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 1.93° × 1.93°Scale: 2.32"/px
Unistellar Odyssey — recommended user
Best suited for beginners and wide-field enthusiasts running a portable travel rig.
SharpStar 61EDPH III — recommended user
Best suited for beginners and wide-field enthusiasts running a portable travel rig.
