telescope
Astro-Tech
AT115EDT
115mm Apo triplet FPL-53 · 805mm f/7.0
Triplet astrograph.
Best for
- Medium-sized galaxies and planetary nebulae
- Full-frame astro cameras and DSLRs
Specifications
| Optics | |
| Type | refractor |
| Optical design | Apo triplet FPL-53 |
| Aperture | 115mm |
| Focal length | 805mm |
| Native f/ratio | f/7.0 |
| Image circle | 52mm |
| Full-frame support | Yes |
| Physical | |
| Weight | 6.6kg |
Typical FOV & image scale
With Full-frame (36×24mm, 3.76µm)
FOV 2.56° × 1.71°
Scale 0.96″/px
With APS-C (23.5×15.7mm, 3.76µm)
FOV 1.67° × 1.12°
Scale 0.96″/px
With IMX533 square (11.3×11.3mm, 3.76µm)
FOV 0.80° × 0.80°
Scale 0.96″/px
Typical targets
- Messier M16 — Eagle NebulaEmission Nebula · 35′
- NGC NGC 281 — Pacman NebulaEmission Nebula · 35′
- Messier M34 — Open Cluster M34Open Cluster · 35′
- NGC NGC 5139 — Omega CentauriGlobular Cluster · 36′
- IC IC 405 — Flaming Star NebulaEmission Nebula · 37′
- Messier M41 — Open Cluster M41Open Cluster · 38′
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