telescopecomparison · 2-way
Borg 90FL vs Sky-Watcher Evolux 82ED
Sky-Watcher
Evolux 82ED
Best suited for beginners and wide-field enthusiasts running a portable travel rig.
Key differences
+10% aperture
Faster by 0.5 f-stops
Specifications
| Specification | Borg 90FL | Sky-Watcher Evolux 82ED |
|---|---|---|
| Optics | ||
| Type | refractor | refractor |
| Optical design | Apo doublet fluorite | Apo doublet FPL-53 |
| Aperture | 90mm | 82mm |
| Focal length | 500mm | 499mm |
| Native f/ratio | f/5.6 | f/6.1 |
| Image circle | — | 44mm |
| Full-frame support | No | No |
| Physical | ||
| Weight | 2.5kg | 3.6kg |
Advantages of Borg 90FL
- Faster optics at f/5.6 vs f/6.1
- Lighter (2.5kg vs 3.6kg) — easier to travel with
Advantages of Sky-Watcher Evolux 82ED
- Larger image circle (44mm) — supports bigger sensors
Best for — Borg 90FL
- Large emission nebulae and star clusters
Best for — Sky-Watcher Evolux 82ED
- Large emission nebulae and star clusters
Borg 90FL — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 4.13° × 2.75°Scale: 1.55"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 2.69° × 1.80°Scale: 1.55"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 1.29° × 1.29°Scale: 1.55"/px
Sky-Watcher Evolux 82ED — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 4.13° × 2.76°Scale: 1.55"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 2.70° × 1.80°Scale: 1.55"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 1.30° × 1.30°Scale: 1.55"/px
Borg 90FL — recommended user
Best suited for beginners and wide-field enthusiasts running a portable travel rig.
Sky-Watcher Evolux 82ED — recommended user
Best suited for beginners and wide-field enthusiasts running a portable travel rig.