telescope
ZWO
FF70 APO
70mm Apo quadruplet ED · 490mm f/7.0
Flat-field quadruplet; 44mm documented image circle.
Check Current Price
Affiliate link. AstroPhotoGuru may earn a commission at no additional cost to you. Link for ZWO FF70 APO.
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 quadruplet ED |
| Aperture | 70mm |
| Focal length | 490mm |
| Native f/ratio | f/7.0 |
| Image circle | 44mm |
| Full-frame support | Yes |
| Physical | |
| Weight | 2.5kg |
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
Recommended cameras
Compare with similar
Source: www.zwoastro.com