telescopecomparison · 2-way
Sky-Watcher Evolux 82ED vs Askar 80PHQ
Sky-Watcher
Evolux 82ED
Best suited for beginners and wide-field enthusiasts running a portable travel rig.
Askar
80PHQ
Best suited for intermediate imagers building a versatile kit running a portable travel rig.
Key differences
-17% focal length
Faster by 1.4 f-stops
Specifications
| Specification | Sky-Watcher Evolux 82ED | Askar 80PHQ |
|---|---|---|
| Optics | ||
| Type | refractor | refractor |
| Optical design | Apo doublet FPL-53 | Petzval quintuplet FPL-51 |
| Aperture | 82mm | 80mm |
| Focal length | 499mm | 600mm |
| Native f/ratio | f/6.1 | f/7.5 |
| Image circle | 44mm | 44mm |
| Full-frame support | No | Yes |
| Physical | ||
| Weight | 3.6kg | 4.5kg |
Advantages of Sky-Watcher Evolux 82ED
- Wider field — 499mm vs 600mm focal length
- Faster optics at f/6.1 vs f/7.5
- Lighter (3.6kg vs 4.5kg) — easier to travel with
Advantages of Askar 80PHQ
- Tighter framing — 600mm vs 499mm focal length
Best for — Sky-Watcher Evolux 82ED
- Large emission nebulae and star clusters
Best for — Askar 80PHQ
- Large emission nebulae and star clusters
- Full-frame astro cameras and DSLRs
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
Askar 80PHQ — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 3.44° × 2.29°Scale: 1.29"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 2.24° × 1.50°Scale: 1.29"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 1.08° × 1.08°Scale: 1.29"/px
Sky-Watcher Evolux 82ED — recommended user
Best suited for beginners and wide-field enthusiasts running a portable travel rig.
Askar 80PHQ — recommended user
Best suited for intermediate imagers building a versatile kit running a portable travel rig.