Celestron Astro Fi 90mm f/10 GoTo Refractor Telescope

Celestron Astro Fi 90mm f/10 GoTo Refractor Telescope

Celestron Astro Fi 90mm f/10 GoTo Refractor Telescope

B&H # CEA90WIFIREF MFR # 22201
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Product Highlights

  • 90mm Refractor OTA
  • 910mm Focal Length, f/10 Focal Ratio
  • Anti-Reflection Coated Optics
  • 1.25" Focuser, 10mm and 25mm Eyepieces
  • Single-Arm Motorized Alt-Az Mount
  • Control Mount via SkyPortal App
  • 120,000+ Image Database
  • Alignment Aids, Automatic Tracking
  • 90° Star Diagonal / Red-Dot Finder
  • Adjustable-Height Aluminum Tripod
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  • 1Description

Celestron's Astro Fi 90mm f/10 GoTo Refractor Telescope utilizes an integrated antenna to emit a local Wi-Fi signal so you can control the mount via Android and iOS smartphones and tablets running the free SkyPortal app. Optically, the scope sports a 90mm aperture, a long 910mm focal length, and fully coated optics so you can make detailed observations of the Moon, and view planets, comets, and satellites. This complete observation rig includes the optical tube assembly, a motorized mount, an aluminum tripod, two eyepieces, a 90° diagonal, and a red-dot finder.

The OTA is mounted on a single-arm motorized alt-az mount. Guiding the mount is the SkyPortal app. Packed with over 120,000 objects, it is designed to help users get set up and start observing quickly. The app offers alignment aids, it automatically finds objects in the night sky, builds customized guided tours, has automatic tracking rates for near and deep-sky objects, and multiple slew speeds. Supporting the OTA and mount is an aluminum adjustable-height tripod. The entire rig assembles and breaks down without the need for tools, so you can set it up easy and start observing sooner.

Optical Performance
  • 90mm aperture
  • f/10.1 focal ratio
  • 910mm focal length
  • Refractor optical design
  • Anti-reflection fully coated optics increases light transmission, and improves contrast and color rendition
  • Resolution: 1.54 arcsec, Rayleigh; 1.29 arcsec, Dawes
Mount and Tripod
    Mount:
  • Motorized single-arm alt-az
  • Runs on eight user-supplied AA batteries
  • Quick-release base, OTA, accessory tray with rapid no-tool set up
    Tripod:
  • Adjustable-height
  • Lightweight and durable 2-section aluminum legs
  • Spiked feet for steady footing in soft ground
Computer Control
    Integrated Wi-Fi antenna:
  • Mount generates a local WiFi signal
  • Directly connect to tablet or smartphone
  • Control mount via free SkyPortal app for Android 4.0 and higher, and iOS 6 or later
    SkyPortal app:
  • 120,000+ object database
  • Custom SkyTour of all the best celestial objects to view based on the time, date, and location
  • Simulate the night sky up to 100 years in the past, or plan a future observing session
  • Night Vision Mode preserves night-adjusted vision
  • Multiple assisted-alignment choices: SkyAlign, 3-Star, Solar System
  • Tracking rates: Sidreal, solar, and lunar
  • Automatic tracking for near and deep sky objects
  • Multiple slew speeds, up to 3°/sec maximum
  • View hundreds of astronomical photographs and NASA spacecraft images
  • Listen to more than four hours of audio narration to learn the history, mythology, and science of astronomy and the night sky
    Database objects:
  • Solar system: Moon, Sun, and planets
  • Star clusters
  • Nebulae
  • Galaxies
  • Asteroids and comets
  • Satellites, including the International Space Station
Included Accessories
    Eyepieces:
  • 1.25" barrel diameter
  • 25mm produces 36x magnification
  • 10mm produces 91x magnification
    Diagonal:
  • 90° angle
  • Star diagonal vertically corrects image for terrestrial viewing
    Finderscope:
  • Un-magnified StarPointer
  • Red-dot reticle
  • Variable intensity
UPC: 050234222013
In the Box
Celestron Astro Fi 90mm f/10 GoTo Refractor Telescope
  • StarPointer Finderscope
  • Battery Holder
  • 10mm Eyepiece
  • 25mm Eyepiece
  • 90° Star Diagonal
  • Aluminum Tripod with Accessory Tray
  • Limited Two-Year Warranty
  • Table of Contents
    • 1Description
    Optical Design Refractor
    Aperture 90 mm
    Focal Length 910 mm
    Focal Ratio f/10.1
    Eyepiece Barrel Diameter 1.25"
    Diagonal 90° star
    Finderscope StarPointer red-dot finder
    Tripod Adjustable height, aluminum
    Mount Type Motorized single-arm alt-az
    Power Source 8 x AA batteries
    Optical Tube Length 37.2" / 94.5 cm
    Weight 13.6 lb / 6.2 kg (total)
    Packaging Info
    Package Weight 24.5 lb
    Box Dimensions (LxWxH) 43.5 x 15.5 x 10.0"

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