Comparison
Seestar S30 vs Vespera II
Vespera II has the wider field (2.5° × 1.4° vs 2.14° × 1.21°), so it frames large targets such as the Andromeda Galaxy more easily; Seestar S30 shows smaller objects at a larger scale. Of our 20 popular targets, Seestar S30 frames 6 well and Vespera II 7.
- Wider field: Vespera II.
- Lower official price: Seestar S30 ($399).
- Larger aperture: Vespera II (50 mm), which gathers more light per exposure.
| Spec | Seestar S30 | Vespera II |
|---|---|---|
| Aperture | 30 mm | 50 mm |
| Focal length | 150 mm | 250 mm |
| Native field of view | 2.14° × 1.21° | 2.5° × 1.4° |
| Targets framed well | 6 / 20 | 7 / 20 |
| Weight | – | 5 kg |
| Wide-angle camera | Not listed | Not listed |
| Mosaic mode | Not listed | Yes |
| Official price | $399 | $1,590 |
Both frames on the same targets
Solid gold: Seestar S30. Dashed blue: Vespera II.
Where they differ
| Target | Seestar S30 | Vespera II |
|---|---|---|
| M33 Triangulum Galaxy | larger than the frame | fits well |
Where to buy the Seestar S30
Where to buy the Vespera II
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Questions and answers
- Which is better for large targets, the Seestar S30 or the Vespera II?
- The Vespera II, because it has the wider field of view.
- Which frames more popular targets well?
- The Vespera II (7 of 20, against 6).
- Which is cheaper?
- The Seestar S30, at an official price of $399.