Sky Watcher Star Discovery 90i Wifi Go-To Telescope Specifications:
- Magnifications (with eyepieces supplied): x36 & x90
- Highest Practical Power (Potential): x180
- Objective Lens Diameter: 90mm
- Telescope Focal Length: 900mm (f/10)
- Eyepieces Supplied (1.25"): 10mm & 25mm
- Red Dot Finder
- 90° Star Diagonal
- 1.25” Rack & Pinion Focuser
- Star Discovery AZ Go-To Alt-Azimuth Go-To Mount with Dual-Axis Tracking
- Freedom-Find™ Dual Encoder Technology
- Synscan™ Wi-Fi Adaptor Module
- Controller: Free SynScan App for iOS and Android mobile device or Synscan Hand Controller (available separately)
- SynScan App Database: Total 10,000+ Objects. Deep Sky Objects: 10759, including Messier, NGC, IC, Caldwell Catalogues, Named DSOs, Named Stars: 305, Double Stars: 55, Solar system objects: 7 planets, Sun , Moon. (Unlimited objects when working with a 3rd party planetarium software).
- SynScan App Alignment Method: Brightest Star Alignment, North-Level Alignment
- SynScan App's Other Features: Tonight's Best Sky Tour, Point and Go with a mobile device, Identification of Celestial Objects, Remote control over Internet, User defined objects, Pointing Accuracy Enhancement (PAE)
- 45mm Sky-Watcher/Vixen type dovetail saddle
- Interface: SynScan Hand Control Port, DSLR Shutter Release Port (optional cables available separately)
- Connectivity: ASCOM platform for Windows PC, Mobile planetarium App for iOS and Android ( SkySafari Plus/Pro, more are coming).
- Power Requirement: 12v DC 1Amp Power Supply (Tip Positive) or 8 x AA Batteries (not supplied)
- Sky-Watcher 7Ah or 17Ah Power Tank Recommended
- Stainless Steel Tripod with Accessory Tray
- 33% more Light Gathering than 130mm
AIR-SPACED TWO-ELEMENT ACHROMATIC REFRACTORSAn ordinary single lens brings different wavelengths of light to different focal points
All Sky-Watcher Refractors are built with air-spaced two-element lenses, which reduce chromatic aberration more than standard doublet lenses.