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
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Optical Design
Schmidt-Cassegrain
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Aperture (mm)
203.2 mm
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Focal Length
2032 mm
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Focal Ratio
10
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Focal Length of Eyepiece 1(mm)
40 mm
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Focal Length of Eyepiece 2
13 mm
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Magnification of Eyepiece 1
51x
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Magnification of Eyepiece 2
156x
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Finderscope
StarPointer
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Star Diagonal
1.25"
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Mount Type
Single Fork Arm Altazimuth
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Tripod
Stainless Steel
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Power Requirements
Internal battery included
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Highest Useful Magnification
480x
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Lowest Useful Magnification
29x
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Limiting Stellar Magnitude
14
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Resolution (Rayleigh)
0.69 arc seconds
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Resolution (Dawes)
0.57 arc seconds
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Light Gathering Power (Compared to human eye)
843x
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Secondary Mirror Obstruction
2.5 in (64 mm)
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Secondary Mirror Obstruction by Area
0.0977
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Optical Coatings
StarBright XLT
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Optical Tube Length
17 in
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Total Telescope Kit Weight
40.6 lbs
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Total Telescope Kit Weight
17.6 lbs (7.98 kg)
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Max Slew Speed
4 degrees per second
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Tracking Rates
Sidereal, solar and lunar
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Alignment Procedures
SkyAlign, 3-Star Align, Solar System Align
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Communication Ports
1 hand control and 3 aux ports for optional accessories
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App Database
Over 120,000 including 220 of the best deep sky and solar system objects
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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
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 . 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 Eyepiece & Filter Kit for the Celestron NexStar Evolution 8 inch Telescope. The Celestron NexStar Evolution 8 inch Telescope is sold as a Brand New Unopened Item.
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Celestron NexStar Evolution 8"
