telescope
Explore Scientific
ED127 FCD-100
127mm Triplet APO · 952mm f/7.5
FCD-100 air-spaced triplet; needs matched flattener/reducer for astrophotography.
Best for
- Medium-sized galaxies and planetary nebulae
- Full-frame astro cameras and DSLRs
Specifications
| Optics | |
| Type | Refractor |
| Optical design | Triplet APO |
| Aperture | 127mm |
| Focal length | 952mm |
| Native f/ratio | f/7.5 |
| Image circle | 40mm |
| Full-frame support | Yes |
| Physical | |
| Weight | 8.6kg |
Typical FOV & image scale
With Full-frame (36×24mm, 3.76µm)
FOV 2.17° × 1.44°
Scale 0.81″/px
With APS-C (23.5×15.7mm, 3.76µm)
FOV 1.41° × 0.94°
Scale 0.81″/px
With IMX533 square (11.3×11.3mm, 3.76µm)
FOV 0.68° × 0.68°
Scale 0.81″/px
Typical targets
- Messier M47 — Open Cluster M47Open Cluster · 30′
- Messier M67 — Open Cluster M67Open Cluster · 30′
- NGC NGC 869 — Double Cluster (h Persei)Open Cluster · 30′
- NGC NGC 884 — Double Cluster (Chi Persei)Open Cluster · 30′
- NGC NGC 2024 — Flame NebulaEmission Nebula · 30′
- NGC NGC 6979 — Pickering's TriangleSupernova Remnant · 30′
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Source: explorescientificusa.com