Sky Watcher Star Discovery 90i Wifi Go-To Telescope

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 REFRACTORS

An ordinary single lens brings different wavelengths of light to different focal points