Sky-Watcher 90 AZ3 REFRACTOR SW909

SKU SW909AZ3 Categories , ,
  • Level Of Difficulty-BEGINNER
    • 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


In stock (can be backordered)

Sky Watcher 90 AZ3 REFRACTOR SW909



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