telescopecomparison · 2-way
Sky-Watcher Evolux 62ED vs Askar FRA400
Sky-Watcher
Evolux 62ED
Best suited for beginners and wide-field enthusiasts running a portable travel rig.
Key differences
-10% focal length
-14% aperture
Specifications
| Specification | Sky-Watcher Evolux 62ED | Askar FRA400 |
|---|---|---|
| Optics | ||
| Type | refractor | Refractor |
| Optical design | Apo doublet FPL-53 | Petzval Quintuplet APO |
| Aperture | 62mm | 72mm |
| Focal length | 360mm | 400mm |
| Native f/ratio | f/5.8 | f/5.6 |
| Image circle | 44mm | 44mm |
| Full-frame support | No | Yes |
| Physical | ||
| Weight | 2.2kg | 3.9kg |
Advantages of Sky-Watcher Evolux 62ED
- Lighter (2.2kg vs 3.9kg) — easier to travel with
Advantages of Askar FRA400
- Tighter framing — 400mm vs 360mm focal length
- 16% more light-gathering aperture
Best for — Sky-Watcher Evolux 62ED
- Large emission nebulae and star clusters
Best for — Askar FRA400
- Large emission nebulae and star clusters
- Full-frame astro cameras and DSLRs
Sky-Watcher Evolux 62ED — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 5.73° × 3.82°Scale: 2.15"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 3.74° × 2.50°Scale: 2.15"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 1.80° × 1.80°Scale: 2.15"/px
Askar FRA400 — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 5.16° × 3.44°Scale: 1.94"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 3.37° × 2.25°Scale: 1.94"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 1.62° × 1.62°Scale: 1.94"/px
Sky-Watcher Evolux 62ED — recommended user
Best suited for beginners and wide-field enthusiasts running a portable travel rig.
Askar FRA400 — recommended user
Best suited for beginners and wide-field enthusiasts running a portable travel rig.