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Orange tube Schmidt-Cassegrain on motorised fork mount with stainless steel tripod

Celestron

Celestron NexStar Evolution 8" Schmidt-Cassegrain Telescope Kit 12091

SKU CH-7PG1-MMEZ6

An 8-inch Schmidt-Cassegrain telescope kit with integrated WiFi, motorised fork mount and 10-hour internal battery for smartphone-controlled astronomy

  • Part12091
  • TypeTelescopes
  • AccessoryKit
  • SpecificationsOptical Design: Schmidt Cassegrain Aperture: 203.2mm Focal L
  • Night VisionNo
  • Battery TypeInternal 9.6 V, 4.5 Ah LiFePO4 rechargeable battery Up to 10
  • Integrated WiFi enables wireless control from your smartphone or tablet
  • Built-in 9.6 V LiFePO4 battery provides up to 10 hours of uninterrupted stargazing
  • Schmidt-Cassegrain optics with StarBright XLT coatings deliver 203.2 mm aperture and 2032 mm focal length
  • Computerized fork mount with SkyAlign technology simplifies alignment and tracking
  • USB charge port keeps mobile devices powered during observing sessions

NexStar Evolution 8" Schmidt-Cassegrain Kit

The Celestron NexStar Evolution 8 is a motorised Schmidt-Cassegrain telescope kit designed for astronomy, night viewing and astrophotography. It features a 203.2 mm aperture with a 2032 mm focal length at f/10. Integrated WiFi allows wireless control via the Celestron mobile app on iOS or Android devices, supplementing the included NexStar computerised hand controller.

Check power and app compatibility before ordering

The mount runs on an internal 9.6 V 4.5 Ah LiFePO4 rechargeable battery rated for up to 10 hours of operation. A USB charge port is provided for powering external devices. Ensure your smartphone or tablet runs a compatible version of iOS or Android for the Celestron app. The kit includes two Kellner eyepieces (40 mm and 13 mm) and a star diagonal.

Stainless steel tripod

An adjustable stainless steel tripod supports the motorised fork mount, which tracks objects automatically once aligned. StarBright XLT optical coatings enhance light transmission through the Schmidt-Cassegrain optical tube. SkyAlign technology simplifies the alignment procedure using the hand controller or the mobile app. The integrated battery removes the need for external power packs during field use.

Highlights

  • Integrated WiFi enables wireless control from your smartphone or tablet
  • Built-in 9.6 V LiFePO4 battery provides up to 10 hours of uninterrupted stargazing
  • Schmidt-Cassegrain optics with StarBright XLT coatings deliver 203.2 mm aperture and 2032 mm focal length
  • Computerized fork mount with SkyAlign technology simplifies alignment and tracking
  • USB charge port keeps mobile devices powered during observing sessions

Specifications

BrandCELESTRON
Model12091
Part12091
TypeTelescopes
AccessoryKit
SpecificationsOptical Design: Schmidt Cassegrain Aperture: 203.2mm Focal Length: 2032 mm Focal Ratio: 10 Focal Length of Eyepiece 1: 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 ey
Night VisionNo
Battery TypeInternal 9.6 V, 4.5 Ah LiFePO4 rechargeable battery Up to 10 hr max runtime on a full charg
Eyepiece LensTwo Kelner Eyepieces and Star Diagonal
Global SportAstronomy, Night Viewing, AstroPhotography
FeaturesWireless Control with iOS/Android App,NexStar Computer Hand Controller,Motorized and Computerized Fork Mount

Questions about this item

What eyepieces and accessories are included in the 12091 kit and is a separate power supply needed?

The kit includes two Kellner eyepieces (40 mm and 13 mm) and a star diagonal. An internal 9.6 V 4.5 Ah LiFePO4 battery provides up to 10 hours of operation so no external power supply is required.

How do I choose between the two supplied eyepieces for different observing targets?

Use the 40 mm eyepiece for 51× wide-field views of large nebulae or star clusters. Switch to the 13 mm eyepiece for higher magnification on planets, the Moon or compact deep-sky objects.

What does the 2032 mm focal length at f/10 mean for real-world imaging and visual use?

The 2032 mm focal length yields a narrow field of view ideal for planetary detail and small galaxies. At f/10 the system is slower, so longer exposures are needed for deep-sky photography compared to faster telescopes.

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