telescope
TEC
APO180FL f/7
180mm Apo triplet fluorite · 1260mm f/7.0
Large-aperture fluorite triplet; a dedicated field flattener is offered by Astro-Physics. Image circle not published.
Best for
- Small galaxies, planetary nebulae, lunar & planetary detail
Specifications
| Optics | |
| Type | refractor |
| Optical design | Apo triplet fluorite |
| Aperture | 180mm |
| Focal length | 1260mm |
| Native f/ratio | f/7.0 |
| Image circle | — |
| Full-frame support | No |
| Physical | |
| Weight | — |
Typical FOV & image scale
With Full-frame (36×24mm, 3.76µm)
FOV 1.64° × 1.09°
Scale 0.62″/px
With APS-C (23.5×15.7mm, 3.76µm)
FOV 1.07° × 0.71°
Scale 0.62″/px
With IMX533 square (11.3×11.3mm, 3.76µm)
FOV 0.51° × 0.51°
Scale 0.62″/px
Typical targets
- M93 — Open Cluster M93Open Cluster · 22′Plan this target
- M110 — Andromeda Satellite M110Galaxy · 22′Plan this target
- NGC 300 — Sculptor Group GalaxyGalaxy · 22′Plan this target
- NGC 2403 — Caldwell 7Galaxy · 22′Plan this target
- NGC 4236 — Barred Spiral NGC 4236Galaxy · 22′Plan this target
- M5 — Globular Cluster M5Globular Cluster · 23′Plan this target
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Source: telescopengineering.com