telescope
Astro-Physics
190mm f/6 StarFire CS
190mm Christen Superachromat (4-element) · 1140mm f/6.0
64mm image circle with flattener; individually tested and certified.
Best for
- Medium-sized galaxies and planetary nebulae
- Full-frame astro cameras and DSLRs
Specifications
| Optics | |
| Type | refractor |
| Optical design | Christen Superachromat (4-element) |
| Aperture | 190mm |
| Focal length | 1140mm |
| Native f/ratio | f/6.0 |
| Image circle | 64mm |
| Full-frame support | Yes |
| Physical | |
| Weight | 17.7kg |
Typical FOV & image scale
With Full-frame (36×24mm, 3.76µm)
FOV 1.81° × 1.21°
Scale 0.68″/px
With APS-C (23.5×15.7mm, 3.76µm)
FOV 1.18° × 0.79°
Scale 0.68″/px
With IMX533 square (11.3×11.3mm, 3.76µm)
FOV 0.57° × 0.57°
Scale 0.68″/px
Typical targets
- NGC 7380 — Wizard NebulaEmission Nebula · 25′Plan this target
- NGC 7293 — Helix NebulaPlanetary Nebula · 25′Plan this target
- M6 — Butterfly ClusterOpen Cluster · 25′Plan this target
- NGC 2174 — Monkey Head NebulaEmission Nebula · 25′Plan this target
- NGC 7789 — Caroline's RoseOpen Cluster · 25′Plan this target
- M37 — Open Cluster M37Open Cluster · 24′Plan this target
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Source: www.astro-physics.com