Celestron NexStar Evolution 8"

Schmidt-Cassegrain Telescope

Availability: In Stock

Brand New Includes Two Year Warranty

Returnable Item: 30 Day Guarantee i

Reg. Price:$1,723.99
Discount:($224.99)
Sale Price: $1,499.00
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  • Technical Features

Technical Features for Celestron NexStar Evolution 8"

The Celestron 12091 is a 8-inch Schmidt-Cassegrain telescope with premium StarBright XLT coatings and fully computerized GoTo mount with high-performance brass worm gears and motors for improved tracking accuracy. The light transmission is increased throughout the entire optical path with anti-reflection multicoated lenses, highly reflective multicoated mirrors and 4-element rare-earth glass. The smart device can be connected to the telescope via direct WiFi connection and expands the capabilities and functionality.

The Celestron 12091 features Multi-layer mirror coatings made from layers of aluminum, SiO2 (quartz), TiO2 (titanium dioxide), and Si02 (silicon dioxide). The reflectivity is flat across the light spectrum for both astrophotography/astroimaging and visual observation. It has a long life lithium-ion phosphate battery providing up to 10 hours of continual use on a single charge. The system has a tray which keeps accessories and equipment safe and organized and no tools required to set up mount and tripod.
Celestron NexStar Evolution 8" Specification
Optical Tube Info:
  • Optical Design
    Schmidt-Cassegrain
  • Aperture (mm)
    203.2 mm
  • Focal Length
    2032 mm
  • Focal Ratio
    10
  • Focal Length of Eyepiece 1(mm)
    40 mm
  • Focal Length of Eyepiece 2
    13 mm
  • Magnification of Eyepiece 1
    51x
  • Magnification of Eyepiece 2
    156x
  • Finderscope
    StarPointer
  • Star Diagonal
    1.25"
  • Mount Type
    Single Fork Arm Altazimuth
  • Tripod
    Stainless Steel
  • Power Requirements
    Internal battery included
  • Highest Useful Magnification
    480x
  • Lowest Useful Magnification
    29x
  • Limiting Stellar Magnitude
    14
  • Resolution (Rayleigh)
    0.69 arc seconds
  • Resolution (Dawes)
    0.57 arc seconds
  • Light Gathering Power (Compared to human eye)
    843x
  • Secondary Mirror Obstruction
    2.5 in (64 mm)
  • Secondary Mirror Obstruction by Area
    0.0977
  • Optical Coatings
    StarBright XLT
  • Optical Tube Length
    17 in
  • Total Telescope Kit Weight
    40.6 lbs
  • Total Telescope Kit Weight
    17.6 lbs (7.98 kg)
  • Max Slew Speed
    4 degrees per second
  • Tracking Rates
    Sidereal, solar and lunar
  • Alignment Procedures
    SkyAlign, 3-Star Align, Solar System Align
  • Communication Ports
    1 hand control and 3 aux ports for optional accessories
  • App Database
    Over 120,000 including 220 of the best deep sky and solar system objects
  • USB Charge Port
    Yes



12091 Features:

  • Integrated Wi-Fi For Built-In Wireless Network
  • 7.99 Inch Aperture (203mm)
  • StarBright XLT Multcoated Optics
  • 480x Maximum Magnification
  • Focal Length: 2032mm, f/10 Focal Ratio
  • NexRemote Provides Full Computerized Hand Control
  • Rechargeable Battery, up to 10hr Runtime
  • StarBright XLT
  • SkyAlign Technology
    - Allows To Align On Any 3 Bright Celestial Objects
    - Making Fast & Easy Alignment Process
  • Heavy Duty Steel Tripod (Adjustable)
  • Single Fork Arm Altazimuth Mount
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Celestron 12091 Includes:
  • 13mm Eyepiece
  • 40mm Eyepiece
  • 90° Star Diagonal
  • NexStar+ Hand Control (EQ)
  • Tripod w/ Accessory Tray
  • StarPointer Red Dot Finderscope


The Celestron NexStar Evolution 8 inch Telescope has many exciting features for users of all types. It's one of FactoryOutletStore's best selling Celestron Telescope Only. You can extend the lifetime of your Celestron NexStar Evolution 8 inch Telescope with the purchase of a FactoryOutletStore Factory Protection Plan. See the Celestron NexStar Evolution 8 inch Telescope product video and gallery images above for more details. FactoryOutletStore stocks a full line of accessories like Celestron Eyepiece and Filter Kit, Celestron LensPen - Optics Cleaning Tool, and Cometron FirstScope for the Celestron NexStar Evolution 8 inch Telescope. The Celestron NexStar Evolution 8 inch Telescope is sold as a Brand New Unopened Item.