Celestron NexStar Evolution 8 203mm f/10 Schmidt-Cassegrain GoTo Telescope

Celestron NexStar Evolution 8 203mm f/10 Schmidt-Cassegrain GoTo Telescope and Accessory Kit

Celestron NexStar Evolution 8 203mm f/10 Schmidt-Cassegrain GoTo Telescope and Accessory Kit

B&H # CENSE8Q (B&H Kit)
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Product Highlights

  • 8" Schmidt-Cassegrain Telescope
  • 2032mm Focal Length, f/10 Focal Ratio
  • Wireless Control with iOS/Android App
  • Multiple Automatic Alignment Systems
  • Motorized and Computerized Fork Mount
  • Adjustable Stainless Steel Tripod
  • 6mm, 8mm, 13mm, 17mm, and 32mm Eyepieces
  • Seven Filters and a 2x Barlow Lens
  • Aluminum Carry Case
  • Lens Shade/Dew Cap
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  • 1Description

B&H assembled this Celestron NexStar Evolution 8 203mm f/10 Schmidt-Cassegrain GoTo Telescope and Accessory Kit to give users a comprehensive observational rig for viewing the planets and moon, with a wide variety of magnifications to choose from. The kit includes the 8" NexStar Evolution with integrated WiFi to control it with an Android or iOS mobile device, an eyepiece and planetary filter set, and a dew cap to help keep the front corrector plate free from condensation.

  • Celestron NexStar Evolution 8 203mm f/10 Schmidt-Cassegrain GoTo Telescope

    The NexStar Evolution 8 203mm Schmidt-Cassegrain Telescope from Celestron is a powerful, portable, versatile and user-friendly telescope that can be used for observing everything from the Moon and planets to deep sky objects like galaxies and nebulae. Using Celestron's 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. The first is to simply 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, including an expanded database to over 120,000 objects with detailed information on more than 200 of those objects. Second is the iconic 4-line 18-character NexStar computer controller. This is a wired piece of hardware with a database of over 40000 celestial objects plus several astronomical catalogs including the Messier and Caldwell. 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
    • 203.2mm (8") aperture
    • f/10 focal ratio
    • 2032mm focal length
    • Crown optical glass primary mirror
    • StarBright XLT optical coatings: Multi-layer aluminum/SiO2 (quartz)/TiO2 (titanium dioxide)/Si02 (silicon dioxide) mirror coatings with flat reflectivity across the light spectrum for both astrophotography/astroimaging and visual observation
    • Multi-layer MgF2 (magnesium fluoride) and HfO2 (hafnium dioxide) anti-reflective lens coatings
    • High-transmission water white glass corrector lens with 97.4% light transmission
    • Internal focusing mechanism
    • Resolution: 0.69 arcsec (Rayleigh); 0.57 arcsec (Dawes)
    • Secondary mirror obstruction: 2.5"; 9.77% by area
    • Fastar capability: Secondary mirror can be removed and a DSLR or imaging rig mounted in its place for fast wide-field astrophotography
    NexStar Controller
    • Two-line, 16-character LCD display
    • 19 fiber optic backlit red LED buttons
    • Database of over 40000 celestial objects plus 100 user-defined
    • Automatically slew to planets, stars, constellations, and a variety of catalogs
    • Camera control: For piggyback wide field or conventional astrophotography through the OTA, the controller can automatically trigger the shutter release to capture the image
    • Anti-backlash compensation programs-out play between gears for more precise tracking
    • Tour Mode: Shows a selection of the most popular objects for the time and date you are observing
    • Constellation Tour: Allows the user to take a tour of all the best objects within a particular constellation
    • Alignment procedures: SkyAlign, Auto 2-Star, 1-Star, 2-Star, and Solar System
    • SkyAlign alignment: Takes minutes, with minimal effort or experience — point the telescope at three bright objects in the sky, and the telescope does the rest
    • Nine slew speeds: 4°/sec, 2°/sec, 1°/sec, 0.5°/sec, 2x, 4x, 8x,16x, and 32x
    • Sidereal, Solar, and Lunar tracking rates for observing the fast-moving Moon, to slower-moving deep space subjects
    • RS-232 communication port allows for computer control
    • Flash updateable via the Celestron website
      Database Details:
    • Solar system objects including the sun, moon, and planets
    • Named Objects
    • Stars: Asterims, Variable stars, Double stars, Named stars
    • Caldwell catalog
    • Messier catalog
    • NGC catalog
    • SAO catalog
    • Constellations
    Sky Portal App
    • 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
    • Enjoy the same features as NexStar controller, but without wires
    • Expanded database to over 120,000 objects
    • Detailed information on over 200 popular objects including audio commentary, statistics, history, mythology, video and pictures
    • Database includes: Sun, moon, planets, star clusters, nebulae, galaxies, asteroids and comets, satellites, and the International Space Station
    • Simulate the night sky up to 100 years in the past, or future to plan an upcoming observing session
    • Compass Mode: Hold device up to the night sky and identify objects such as stars, planets, and galaxies; zoom in to view fainter objects not visible to the naked eye
    • Night Vision Mode: Preserves night-adjusted vision
    • Listen to more than four hours of audio narration to learn the history, mythology, and science of astronomy and the night sky
    • Works as a stand-alone planetarium app
    • Free for Android or iOS mobile devices
    • Apple iOS 7.0 and later, or Android 4.0 and later
    Mount and Tripod
    • Motorized single-arm alt-azimuth fork mount
    • Altitude and azimuth clutches to manually point the telescope when it is powered off
    • Brass worm gears with steel ball bearings provides smooth movement with reduced vibration
    • 146mm diameter/180-tooth stainless steel worm wheels
    • Ports: One port for NexStar+ controller; One 5 VDC USB charging port for smartphones and small electronics; Three auxiliary ports for optional accessories such as StarSense AutoAlign system
    • Runs on one internal rechargeable 9.6V, 4.5Ah lithium iron phosphate (LiFePO4) battery
    • Includes power supply with USA, EU, UK, and AU plugs
    • Stainless steel two-section legs
    • Adjustable-height accommodates a variety of
    • Spikes at the end of the legs provide a sure footing on soft or uneven ground
    • Tray keeps accessories and equipment safe and organized
    • No tools required to set up mount and tripod
    Included Accessories
    • 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
    • 1.25" snout and eyepiece holder
    • 90° angle places head in comfortable position when OTA is pointed at or near the zenith
    • Star mirror diagonal corrects view horizontally, but not vertically
    • Projects a single red dot in line of sight
    • Unmagnified view ensures a wide field of view to make finding objects faster and star-hopping navigation easier
    UPC: 050234120913
  • Celestron Eyepiece and Filter Kit (1.25")

    Celestron put together this 1.25" Eyepiece and Filter Kit to give users essential accessories for planetary observation. This kit includes five Plossl eyepieces that provide a wide range of magnifications on any given telescope, six of the most popular colored planetary filters to enhance the views, a Moon filter that reduces glare from the lunar surface while enhancing contrast, and a 2x Barlow lens which essentially doubles the magnification of any eyepiece used with it. An included hard aluminum carrying case protects the accessories while custom die-cut foam on the inside cushions them.

    • 1.25" diameter barrels
    • Accepts most standard 1.25" eyepiece filters
    • Anti-reflection multi-coated optics improves light transmission, color rendition, and contrast
    • 52° apparent angle of view
    • 6mm offers highest magnification potential
    • 8mm produces a high magnification, but with a slightly longer eye relief than the 6mm
    • 13mm produces a comfortable mid-range magnification
    • 17mm offers a higher magnification potential than the 32mm without sacrificing brightness
    • 32mm has the lowest magnification potential with the longest eye relief and highest light transmittance
    • Fits standard 1.25" eyepieces
      #80A Blue:
    • Most popular for the study of detail on Jupiter and Saturn
    • Enhances the contrast on Jupiter's cloud belts
    • Enhances details of the Great Red Spot
    • Brings out detail in Saturn's belts and polar features
    • Also very useful for lunar observing
      #58 Green:
    • Rejects red and blue wavelengths
    • Increases the contrast on the lighter parts of the surface of Jupiter
    • Useful for enhancing the cloud belts and polar regions on Saturn
    • Increases the contrast in Mars polar ice caps
    • Increases the contrast of atmospheric features on Venus
      #56 Light Green:
    • Excellent for the observation of Martian polar ice caps and for the yellow tinted dust storms on the planet's surface
    • Increases the contrast of the red and blue regions in Jupiter's atmosphere and cloud belts
    • Great for lunar observing
      #25 Red:
    • Blocks the transmission of blue and green wavelengths
    • Sharply defines the contrast between the cloud formations and the lighter-toned surface features on Jupiter
    • Useful for definition of the Martian polar ice caps and maria
      #21 Orange:
    • Reduces transmission of blue and green wavelengths
    • Increases the contrast between these blue/green areas and red/yellow/orange areas
    • Sharpens the boundaries between these areas on the Martian surface
    • Sharpen the contrast in Jupiter's belts and to bring out the Great Red Spot
    • Slightly increases surface details on Saturn
      #12 Deep Yellow:
    • Enhances red and orange features on Jupiter and Saturn, while blocking blue and green wavelengths
    • Lightens the red and orange features on Mars, while reducing, or blocking, the transmission of blue and green areas - increasing the contrast between the two
    • Enhances the blue clouds in the Martian atmosphere
    • Makes viewing the Moon safe when at or near full phase
    • Reduces glare to bring out more surface detail and improve contrast
    • Also useful to bring out surface details on Venus
    Barlow Lens
    • 1.25" diameter barrel and eyepiece holder
    • 2x magnification doubles the magnification of any eyepiece used
    • Increases magnification while preserving eyepiece's native eye relief for easier viewing at high magnifications
    • Hard aluminum case with reinforced corners and edges
    • Dual latch-locks
    • Hinge carrying handle
    • Custom interior die-cut foam protects and cushions accessories
    • Extra room for additional accessories - simply pluck foam for a custom-fit space
    UPC: 050234943031
  • Celestron Lens Shade/Dew Cap

    The Celestron Lens Shade/Dew Cap is a tube of approximately the same diameter as your telescope tube which reduces the amount of dew that builds up on the corrector plate.  It also serves as a lens shade, preventing stray light from falling upon the corrector plate and thus greatly improves contrast.

    This shade is manufactured of rugged, soft Foamex plastic.  It can be stowed away flat after usage.  Celestron employs a thicker material that won't crack as easily as other manufacturer's efforts, with sewing instead of inexpensive glue for a longer service life.

    UPC: 050234940092
In the Box
Table of Contents
  • 1Description
  • Celestron NexStar Evolution 8 203mm f/10 Schmidt-Cassegrain GoTo Telescope
    Optical Design Schmidt-Cassegrain
    Aperture 203.2 mm
    Focal Length 2032mm
    Focal Ratio f/10
    Eyepiece Barrel Diameter 1.25"
    Diagonal 90° star diagonal
    1.25" snout and eyepiece holder
    Finderscope StarPointer red dot
    1 x 3 V CR2032 lithium battery included
    Tripod Adjustable-height stainless steel
    Mount Type Single-arm motorized alt-azimuth
    Power Source Internal 9.6 V, 4.5 Ah lithium iron phosphate (LiFePO4) battery
    Runtime 10 h, max
    Optical Tube Length 17.0" / 43.2 cm
    Weight 40.6 lb / 18.4 kg
    Packaging Info
    Box Dimensions (LxWxH) 43.0 x 28.0 x 15.0"
  • Celestron Eyepiece and Filter Kit (1.25")
    Packaging Info
    Box Dimensions (LxWxH) 12.8 x 11.7 x 5.2"
  • Celestron Lens Shade/Dew Cap
    Packaging Info
    Box Dimensions (LxWxH) 15.0 x 12.0 x 4.5"
NexStar Evolution 8 203mm f/10 Schmidt-Cassegrain GoTo Telescope and Accessory Kit is rated 4.5 out of 5 by 4.
Rated 4 out of 5 by from Great scope, useless finder I would have considered giving the Evo8 five stars except for the inoperable and cheap RDF (red dot finder). It has stopped displaying the red dot at least twice even though it has a new battery. Even when it did display the red dot, we could not get it to align properly; it would not go further right. Therefore, we're at a standstill until figure out what to buy to replace the RDF. The other issue is that the hand control holder is too small for the tripod leg. In addition, the screw for the tripod tray is slightly crooked so that tray is slightly off kilter (but that's not too bad). On the plus side: the tripod is sturdy, having a built-in battery and wifi is a positive, and the optics are good. I'm still trying to learn the SkyPortal app, which is a problem since I can do a proper alignment without a useful finderscope. So far, the SkyPortal app is ok, but I'm thinking that there's room for improvement.
Date published: 2017-03-02
Rated 5 out of 5 by from First time buyer and great result out of the box! The Celestron Evolution 8 really is great straight out of the box and lived up to the promotional hype. I set it up and did the 3 star align, tapped on Saturn and it buzzed into action almost perfectly in the eyepiece was Saturn with it's rings very clear. An amazing first up impression and we then checked a bunch of other objects in the app. The detail on the Moon was fantastic and very sharp. The technology and the App itself is fantastic for a first time amateur! Everything about the telescope looks really cool and well made. I had been thinking of buying a Goto telescope for a few years but just could not decide which one as many offered various features but none quite covered all bases. There always seemed to be a compromise and the next step up in cost and complexity too great to get what I wanted. The Celestron Evolution features particularly Wifi tablet function and built-in battery just really jumped out as I didn't want to have to learn star charts just to get started. Dew shield is a must have! We took a really quick first attempt at an image of Saturn without reading too much of the image software manual and I know we will do much better with practice.
Date published: 2016-08-21
Rated 4 out of 5 by from Great scope, marginal hand controller. Eyepieces poor. Took the scope out of the box and used basic functions before taking it out to the best Pennsylvania dark sky site. Glad I did, since the controller magically committed suicide with a bootloader error message after a day. A firmware update seemed to resolve the issue (and glad I had the USB cables required), but you apparently get better results just using the iPad app to control the system. Overall, great viewing and straightforward alignment, excellent entertainment. Pluses: - sturdy base, good design overall and ease-of-use - bright optics, accurate go-to once aligned - iPad/iPhone app reasonably accurate - Having wifi/battery/etc. built in made the overall traveling weight and features superb. Glad I didn't go the 8SE route with external battery and wifi module. Downsides: - Hand controller is poor at best, see above - Eyepiece accessories are rather low quality, I ended up using my old Meade super-plossl eyepieces instead (much brighter and wider FOV) - Made in China smells throughout and amusing ACCESSARY stamp on boxes. It comes with 2-year warranty, hope I won't have to use it. - stand design made it impossible to pack the tripod along with the scope in similar-sized case. Wish Celestron had made the base three-part and more compact. Frankly, they could have made the stand far lighter at equal sturdiness, but I suppose that would cost far more if in carbon fiber.
Date published: 2016-07-11
Rated 5 out of 5 by from Great Next Gen Telescope This package contains everything you need to become an avid astronomer. The 8 inch aperture alongside the Celestron Filter and Eyepiece set provide terrific views of planets, nebula, and stars! The mount is truly remarkable, with red LED lighting, eyepiece and phone storage, it's own WIFI network for wireless iPhone and iPad control, and audio descriptions of most of your selected slewing targets via Celestron's SkyPortal app! All of the parts are of high quality, with very few plastics. (Only the handle has a little plastic on it.) And yes, the mount has a giant handle for carrying! It was packaged very well, and came with ample directions for all included products. Setup was very easy. The optics and mount are of remarkable sturdiness and quality. The only issue is that the 8 inch nexstar optics needed collimation out of the box, and that process took me well over a week to research and execute. (Never collimated before). The mount is remarkable and high-tech. Once you learn to identify stars, align your red-dot finderscope with your optics, and align the scope with selected stars, the package unlocks hundreds of targets and viewing experiences PER NIGHT. The mount is very loud when initially slewing, making it hard to use late at night at apartments and townhomes, or with neighbors nearby. (I can definitely hear it in my living room with the TV on), but once the mount locks on to a target, it makes practically no sound. The dew and light shield fits perfect, and helps to detract from dew buildup and light pollution from nearby lights. The eyepieces and filters are of good quality. Some of the eyepieces have tiny optical holes which can be hard on your eyes, but they do the job just fine. There are definitely much better eye relief eyepieces available, at a MUCH higher cost. The color filters come with terrific directions and recommendations, and pair great with the eyepieces provided in the accessory kit. Overall, an AMAZING investment!
Date published: 2016-03-08
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