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Celestron's new NexStar Evolution 925 9¼" f/10 go-to Schmidt-Cassegrain telescope brings big aperture amateur astronomy into the wireless 21st century of smart phones, iPads, and tablets.

This NexStar Evolution 925 advanced 9¼" f/10 Schmidt-Cassegrain is the first go-to telescope (along with the other new NexStar Evolution scopes) with built-in WiFi so you are not tethered to your scope by a hand control on a coiled cord. You can slew to all of the best celestial objects with a simple tap on your smart phone or tablet.

Simply connect your smart phone or tablet to your NexStar Evolution 925's built-in wireless network, and you can explore the universe with Celestron's mobile app for iOS and Android. The app has a database of over 120,000 celestial objects for you to explore, including a specially selected list of 220 of the best deep sky and solar system objects that you will come back to enjoy again and again.

You can use the app's planetarium interface to view the night sky in real time or to display a list of the best celestial objects that are visible to you based on your time and location. You can then command your Evolution 925 to automatically slew to the object of your choice at speeds of up to four degrees per second, center it precisely in the eyepiece field, and then track it flawlessly while you observe and enjoy at your leisure. In addition, Celestron's proprietary SkyAlign alignment procedure is built right into the Celestron mobile app, so you can have your scope set up and ready to observe within minutes. (If you don't have a wireless device, or your smart phone or tablet runs out of juice in the field, a conventional hand control is included so you can still enjoy your scope.)

Celestron engineers designed the NexStar Evolution 925 based on years of customer feedback. It has an upgraded single fork arm design with many thoughtful features that combine to provide you with the best possible experience out under the stars. For example, forget about buying boxes of AA batteries to power the scope, or a bulky external battery pack. For the first time ever on a consumer telescope, the NexStar Evolution 925 includes its own built-in rechargeable lithium-ion battery. You can enjoy stargazing for up to 10 hours on a single charge, then recharge it at home using the supplied AC adapter. You can even use your NexStar Evolution 925's built-in USB charge port to top off the other devices in your life that need to stay powered on during an observing session.

Large, ergonomic handles make setting up your NexStar Evolution 925 quick and painless. With a total weight of only 63 lbs, the Evolution 925 is easy to transport, whether it's out to the backyard for a quick half hour of observing or away on an all-night observing session at a distant dark sky site. The heavy duty adjustable height stainless steel tripod features lines etched on the legs to help you achieve a level, uniform height for your telescope without guesswork.

Manual clutches in both altitude and azimuth give you the flexibility to manually point the telescope when it is powered off. You get two quality Plössl eyepieces to give you observing options right out of the box. If you expand your eyepiece collection, you can store up to seven eyepieces in the two accessory trays, one on the tripod and one on the telescope drive base. An adjustable brightness red LED in the fork arm casts a soft red glow onto the accessory tray in the base to make it easier to select a different eyepiece while observing.

If you're interested in astroimaging, the 9¼" NexStar Evolution 925 is an affordable way to get started. It's the only fork-mounted telescope in its price range that offers precision worm gears, along with improved motors, for precise speed control and low periodic error. With the NexStar Evolution 925's good tracking accuracy, you can capture images of deep-sky objects like the Orion Nebula by simply attaching your DSLR camera. As you progress in the hobby of astroimaging, you can add an optional Celestron HD Pro wedge for longer exposures to bring out faint and hidden details in your astrophotos.

Celestron's time-tested 9¼" Schmidt-Cassegrain optics and industry-standard StarBright XLT optical coatings give you the bright, sharp views for which Celestron is famous. They make the Evolution 259 a great choice for visual observers and budding astroimagers alike.

The NexStar Evolution 925 includes built-in WiFi for cordless operation, a StarPointer red dot finderscope, two 1.25" Plössl eyepieces (59x and 180x), a 1.25" prism star diagonal, an AC adapter for powering the scope and recharging the built-in battery, a computer hand control, and a heavy duty stainless steel adjustable height tripod with accessory tray.

Tech Details: 

OPTICAL TUBE INFO:
Optical Design: Schmidt-Cassegrain
Aperture: 235mm (9.25")
Focal Length: 2350mm (93")
Focal Ratio: f/10
Focal Length of Eyepiece 1: 40mm (1.57")
Magnification of Eyepiece 1: 59x
Focal Length of Eyepiece 2: 13mm (.51")
Magnification of Eyepiece 2: 180x
Finderscope: Red Dot Finderscope
Star Diagonal: 1.25" Star Diagonal
Optical Tube: Aluminum
Highest Useful Magnification: 555x
Lowest Useful Magnification: 34x
Limiting Stellar Magnitude: 14.4
Resolution (Rayleigh): 0.59 arc seconds
Resolution (Dawes): 0.49 arc seconds
Light Gathering Power (Compared to human eye): 1127x
Secondary Mirror Obstruction: 85mm (3.35")
Secondary Mirror Obstruction by Diameter: 36%
Secondary Mirror Obstruction by Area: 13%
Optical Coatings: StarBright XLT
Optical Tube Length: 559mm (22")
Optical Tube Diameter: 271.78mm (10.7")
Optical Tube Weight: 20 lbs (9.07 kg)
Dovetail: CG-5 Dovetail bar
MOUNT INFO:
Mount Type: Computerized Altitude-Azimuth Single Fork Arm
Instrument load capacity: 25 lbs (11 kg)
Height adjustment range (includes mount and tripod): 1244.6mm - 1651mm (49" – 65")
Tripod Leg Diameter: 50.8mm (2") Stainless Steel
Mount Head Weight: 16 lbs (7 kg)
Accessory Tray: Yes
Tripod Weight: 26.6 lbs (12.06 kg)
Slew Speeds: 9 slew speeds - max speed 4°/second
Tracking Rates: Sidereal, Solar and Lunar
Tracking Modes: Alt-Az, EQ North and EQ South
GPS: N/A
Dovetail Compatibility: CG-5 saddle plate
Number of Auxiliary Ports: 4 AUX Ports (Hand Control can use any of the AUX Ports)
Autoguide Port: No
USB Port: Yes, Hand Control input and Mount output
Power Requirements: Internal 9 6V, 4 5Ah lithium iron phosphate battery (LiFePO4)
Motor Drive: DC servo motors
Alignment Procedures: SkyAlign, 1-Star Align, 2-Star Align, Auto 2-Star Align, Solar System Align, Quick-Align, Last Alignment, EQ North / EQ South Alignment (EQ align requires an equatorial wedge)
Periodic Error Correction: No
Computerized Hand Control: 2 line x 18 character backlit Liquid Crystal Display, 19 LED backlit buttons, USB 2.0 Port for PC connection
NexStar+ Database: Over 40,000 including 220 of the best deep sky and solar system objects
Software: Celestron Starry Night Special Edition Software and SkyPortal App
Total Kit Weight: 62.6 lbs (28.4 kg)
Included Items: Optical tube
Single Fork Arm Mount and Tripod
Accessory Tray
Built-in Wifi
Integrated Lithium-iron battery
NexStar+ Hand Control
40mm and 13mm eyepiece
Red dot finderscope
Visual Back
Star Diagonal
4 plug AC adapter
Solar Warning
  • Never look directly at the Sun with the naked eye or with an optic (unless you have the proper solar filter). Permanent and irreversible eye damage may result.
  • Never use your optic to project an image of the Sun onto any surface. Internal heat build-up can damage the optic and any accessories attached to it.
  • Never leave your optic unsupervised. Make sure an adult who is familiar with the correct operating procedures is with your optic at all times, especially when children are present.
California Residents

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.

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