telescope
Sky-Watcher
Esprit 70EDX
70mm Apo triplet · 490mm f/7.0
Current EDX generation; dedicated flattener sold separately. Image circle not published.
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Product specifications can change. Please verify specifications and compatibility with the manufacturer or retailer before purchasing.
Best for
- Large emission nebulae and star clusters
- Full-frame astro cameras and DSLRs
Specifications
| Optics | |
| Type | refractor |
| Optical design | Apo triplet |
| Aperture | 70mm |
| Focal length | 490mm |
| Native f/ratio | f/7.0 |
| Image circle | — |
| Full-frame support | Yes |
| Physical | |
| Weight | 3.2kg |
Typical FOV & image scale
With Full-frame (36×24mm, 3.76µm)
FOV 4.21° × 2.81°
Scale 1.58″/px
With APS-C (23.5×15.7mm, 3.76µm)
FOV 2.75° × 1.84°
Scale 1.58″/px
With IMX533 square (11.3×11.3mm, 3.76µm)
FOV 1.32° × 1.32°
Scale 1.58″/px
Typical targets
- IC 434 — Horsehead NebulaEmission Nebula · 60′Plan this target
- NGC 869/884 — Double ClusterOpen Cluster · 60′Plan this target
- NGC 2264 — Christmas Tree ClusterEmission Nebula · 60′Plan this target
- NGC 6992 — Eastern VeilSupernova Remnant · 60′Plan this target
- NGC 7822 — Cepheus HII RegionEmission Nebula · 60′Plan this target
- Sh2-132 — Lion NebulaEmission Nebula · 60′Plan this target
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Source: skywatcher.com