telescopecomparison · 2-way
Tele Vue TV-76 vs Orion ED80T CF


Specifications
| Specification | Tele Vue TV-76 | Orion ED80T CF |
|---|---|---|
| Optics | ||
| Type | refractor | refractor |
| Optical design | Apo doublet | Apo triplet carbon fiber |
| Aperture | 76mm | 80mm |
| Focal length | 480mm | 480mm |
| Native f/ratio | f/6.3 | f/6.0 |
| Image circle | — | 44mm |
| Full-frame support | No | No |
| Physical | ||
| Weight | 2.3kg | 3.4kg |
Advantages of Tele Vue TV-76
- Lighter (2.3kg vs 3.4kg) — easier to travel with
Advantages of Orion ED80T CF
- Larger image circle (44mm) — supports bigger sensors
Best for — Tele Vue TV-76
- Large emission nebulae and star clusters
Best for — Orion ED80T CF
- Large emission nebulae and star clusters
Tele Vue TV-76 — 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 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
Tele Vue TV-76 — recommended user
Best suited for beginners and wide-field enthusiasts running a portable travel rig.
Orion ED80T CF — recommended user
Best suited for beginners and wide-field enthusiasts running a portable travel rig.


