Celestron NexStar Evolution 8" Schmidt-Cassegrain Telescope

Celestron NexStar Evolution 8" Schmidt-Cassegrain Telescope

Celestron NexStar Evolution 8" Schmidt-Cassegrain Telescope

B&H # CENSE8 MFR # 12091
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Product Highlights

  • Aperture: 8"
  • Focal Length: 2032mm, f/10 Focal Ratio
  • StarBright XLT Multcoated Optics
  • Wireless Control with iOS/Android App
  • NexStar Computer Hand Controller
  • Motorized and Computerized Fork Mount
  • Multiple Automatic Alignment Systems
  • Two Kelner Eyepieces and Star Diagonal
  • Adjustable Stainless Steel Tripod
  • Rechargeable Battery, up to 10hr Runtime
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  • 1Description

The NexStar Evolution 8" Schmidt-Cassegrain Telescope from Celestron is a powerful, versatile and user-friendly Schmidt-Cassegrain style telescope that can be used for observing everything from the Moon and planets to deep sky objects like galaxies and nebulae. Using Celestron's improved proprietary StarBright XLT multi-coating system, light transmission is increased throughout the entire optical path with anti-reflection multicoated lenses, highly reflective multicoated mirrors, and 4-element rare-earth glass. While the focal ratio is a slow f/10, the scope's precision tracking system allows it to be a competent astrophotography/astroimaging platform for the Moon and planets.

The Evolution comes with two ways to use and control it. There is the 4-line 18-character NexStar computer controller. This is a wired piece of hardware with a database of over 40,000 celestial objects plus several astronomical catalogs including the Messier and Caldwell. To expand the usability of the scope, download Celestron's free Navigator app for Android and iOS smartphones and tablets. The scope's WiFi provides the connection to the app and expands the capabilities and functionality. Whether using the controller or mobile device, the system can assist in properly aligning the scope, provide tours of the objects and events visible whenever and wherever the user if viewing, and allows for manual direction and slew control.

Designed for portability, the Evolution features a long life lithium-ion phosphate battery providing up to 10 hours of continual use on a single charge. The scope comes with an AC power supply with plugs for the US, EU, UK, and AU outlets. The battery powers the servo motors, auxiliary accessory ports, a USB charging port, and the built-in Wifi. Manual clutches in both altitude and azimuth enable users to manually move and point the telescope when it's powered off.

Optical Performance
  • Aperture: 8"
  • Focal ratio: f/10
  • Focal length: 2032mm
  • Schmidt-Cassegrain optical design
  • StarBright XLT fully multicoated optical system
StarBright XLT Coating System
  • Multi-layer mirror coatings made from layers of aluminum, SiO2 (quartz), TiO2 (titanium dioxide), and Si02 (silicon dioxide)
  • Reflectivity is flat across the light spectrum, for both astrophotography/astroimaging and visual observation
  • Multi-layer anti-reflective coatings made from layers of MgF2 (magnesium fluoride) and HfO2 (hafnium dioxide)
  • High-transmission water white glass corrector lens with 97.4% light transmission
WiFi Connectivity
  • Free Celestron Navigator app for Android or iOS mobile devices
  • Connect your smart device to the telescope via direct WiFi connection, no router required
  • Align and control the telescope from your device
  • App uses the device's camera and compass to determine location and what is available to see
  • Tap the objects on the screen, and the telescope moves to the object
  • Experience additional audio and video content about what you're looking at, and sky tours based on the time of year and your location
SkyAlign Technology
  • Alignment takes minutes, with minimal effort or experience
  • Enter day, time, and location
  • Point the telescope at three bright objects in the sky, and the telescope does the rest
  • No need to point it North or to perfectly level the scope
NexStar Controller
  • Four-line 18-character LCD display
  • Red back-lighting protects night-adjusted vision during observation sessions
  • Database of over 40,000 celestial objects
  • Automatically slew to planets, and objects in a variety of catalogs, including the Messier, NGC, Caldwell, and SAO brightest stars
  • Tour Mode: Shows a selection of the most popular objects for the time and date you are observing
  • Pre-programmed alignment systems including SkyAlign, Auto 2-Star, 1-Star, 2-Star, and Solar System for fast and easy set up
  • Pre-set sidereal, solar, and lunar slew speeds for observing the fast-moving Moon, to slower-moving deep space subjects
  • Manually set slew speed at 1, 2, or 3 degrees per second, or choose speeds as low as 2x or as high as 64x
  • Flash upgradeable firmware allows users to upgrade its software via the Internet from the Celestron website
Kelner Eyepieces
  • 1.25" diameter barrel accept most filters
  • Anti-reflection multicoated glass
  • Fold down rubber eyecups for use with or without eyeglasses
  • 40mm eyepiece produces 51x magnification
  • 13mm eyepiece produces 156x magnification
  • 90° star diagonal included for more comfortable viewing
Mount and Tripod
  • Motorized, computer-controlled single-arm fork mount
  • Slew speeds up to 4°/sec
  • variable speed sidereal, lunar, and solar tracking rates
  • Altitude and azimuth clutches to manually point the telescope when it's powered off
  • Stainless steel two-section adjustable-height tripod with accessory tray
  • Spikes at the end of the legs provide a sure footing
  • Tray keeps accessories and equipment safe and organized
  • No tools required to set up mount and tripod
UPC: 050234120913
In the Box
Celestron NexStar Evolution 8" Schmidt-Cassegrain Telescope
  • 13mm Eyepiece
  • 40mm Eyepiece
  • 90° Star Diagonal
  • NexStar+ Hand Control (EQ)
  • Tripod with Accessory Tray
  • StarPointer Red Dot Finderscope
  • AC Adapter with US, EU, UK, and AU Plugs
  • Limited 2-Year Warranty
  • Table of Contents
    • 1Description
    Optical Design Schmidt-Cassegrain
    Aperture 8" (203.2 mm)
    Focal Length 2032 mm
    Focal Ratio f/10
    Secondary Mirror Obstruction Size: 3.35 in (85 mm)
    By diameter: 36%
    By area: 13%
    Eyepiece Barrel Diameter 1.25"
    Diagonal 90° star diagonal
    Finderscope StarPointer red dot
    1 x 3V CR2032 lithium battery included
    Tripod Adjustable-height stainless steel
    Mount Motorized single-arm alt-az fork mount
    Brass worm gears with ball bearings
    Stainless steel worm wheels with 180 teeth
    Battery / Runtime Internal 9.6 V, 4.5 Ah LiFePO4 rechargeable battery
    Up to 10 hr max runtime on a full charge
    Power Requirements 12 VDC, 2.0 A
    Delivered via AC power supply
    Auxilliary I/O Connector 4 x auxiliary ports compatible with NexStar+ Hand Control, StarSense AutoAlign and other accessories
    1 x USB charging port; 5 V, 2.0 A max output
    Optical Tube Length 17" (43.2 cm)
    Weight 40.6 lb (18.4 kg)
    Packaging Info
    Package Weight 65.8 lb
    Box Dimensions (LxWxH) 43.0 x 28.0 x 15.0"

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