telescopecomparison · 2-way
Radian Raptor 61 vs Sky-Watcher Evolux 62ED
Sky-Watcher
Evolux 62ED
Best suited for beginners and wide-field enthusiasts running a portable travel rig.
Key differences
-24% focal length
Faster by 1.3 f-stops
Specifications
| Specification | Radian Raptor 61 | Sky-Watcher Evolux 62ED |
|---|---|---|
| Optics | ||
| Type | refractor | refractor |
| Optical design | Petzval quadruplet | Apo doublet FPL-53 |
| Aperture | 61mm | 62mm |
| Focal length | 275mm | 360mm |
| Native f/ratio | f/4.5 | f/5.8 |
| Image circle | 44mm | 44mm |
| Full-frame support | No | No |
| Physical | ||
| Weight | 2.6kg | 2.2kg |
Advantages of Radian Raptor 61
- Wider field — 275mm vs 360mm focal length
- Faster optics at f/4.5 vs f/5.8
Advantages of Sky-Watcher Evolux 62ED
- Tighter framing — 360mm vs 275mm focal length
- Lighter (2.2kg vs 2.6kg) — easier to travel with
Best for — Radian Raptor 61
- Wide-field nebulae and Milky Way regions
- Fast imaging — short exposures per sub
Best for — Sky-Watcher Evolux 62ED
- Large emission nebulae and star clusters
Radian Raptor 61 — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 7.50° × 5.00°Scale: 2.82"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 4.90° × 3.27°Scale: 2.82"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 2.35° × 2.35°Scale: 2.82"/px
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
Radian Raptor 61 — recommended user
Best suited for beginners and wide-field enthusiasts running a portable travel rig.
Sky-Watcher Evolux 62ED — recommended user
Best suited for beginners and wide-field enthusiasts running a portable travel rig.