telescopecomparison · 2-way
Orion EON 130mm ED Triplet vs Orion ED80T CF
Orion
EON 130mm ED Triplet
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Key differences
+90% focal length
+63% aperture
Slower by 1.0 f-stops
Specifications
| Specification | Orion EON 130mm ED Triplet | Orion ED80T CF |
|---|---|---|
| Optics | ||
| Type | refractor | refractor |
| Optical design | Apo triplet FPL-53 | Apo triplet carbon fiber |
| Aperture | 130mm | 80mm |
| Focal length | 910mm | 480mm |
| Native f/ratio | f/7.0 | f/6.0 |
| Image circle | 44mm | 44mm |
| Full-frame support | Yes | No |
| Physical | ||
| Weight | 7.7kg | 3.4kg |
Advantages of Orion EON 130mm ED Triplet
- Tighter framing — 910mm vs 480mm focal length
- 63% more light-gathering aperture
Advantages of Orion ED80T CF
- Wider field — 480mm vs 910mm focal length
- Faster optics at f/6 vs f/7
- Lighter (3.4kg vs 7.7kg) — easier to travel with
Best for — Orion EON 130mm ED Triplet
- Medium-sized galaxies and planetary nebulae
- Full-frame astro cameras and DSLRs
Best for — Orion ED80T CF
- Large emission nebulae and star clusters
Orion EON 130mm ED Triplet — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 2.27° × 1.51°Scale: 0.85"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 1.48° × 0.99°Scale: 0.85"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 0.71° × 0.71°Scale: 0.85"/px
Orion ED80T CF — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 4.30° × 2.86°Scale: 1.62"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 2.81° × 1.87°Scale: 1.62"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 1.35° × 1.35°Scale: 1.62"/px
Orion EON 130mm ED Triplet — recommended user
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Orion ED80T CF — recommended user
Best suited for beginners and wide-field enthusiasts running a portable travel rig.