Sky-Watcher 90 AZ3 REFRACTOR SW909
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- Perfect for beginners
- Highly affordable
- Suitable for both astronomy & terrestrial use
- Quick set up time
- Lightweight and portable
- Multi-coated achromatic objective lenses
- 65% higher light gathering capability than 70mm
- 5 Years Sky-Watcher Limited Warranty
$399.00
Available Now
In the Box:
- 90mm Achromatic refractor
- AZ3 Mount with Aluminium Tripod
- Fine Tracking Adjustment Knobs
- 2 Eyepieces Super 10mm (90x) & Super 25mm (36x)- 1.25″ Barrel
- Finderscope 6×30
- 45° Erect image Diagonal – 1.25″ Barrel
| Model | SW909AZ3 |
| Optical design | Multicoated Achromatic Refractor |
| Aperture | 90mm |
| Focal Length | 900mm |
| Focal Ratio | f/10 |
| Resolving Power | 1.33″ |
| Stellar Limit Magnitude | 12.1 |
| Highest Practical Magnification | 180x |
| Light gathering power (compared to the unaided eye) | 165 |
| Focuser Diameter | 1.25″ |
| Recommended Usage | Viewing Moon and PlanetsNature viewing |
