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Orion 254 mm f/4.7 Reflector Telescope Optical Tube Assembly - 09959

SKU: ORI-09959

This item is in stock and typically ships in 1 day or less.

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Orion 10" f/4.7 Reflector Telescope Optical Tube Assembly Highlights


 


  • 254mm (10") aperture and 1200mm focal length reflector telescope OTA provides vivid, close views of deep-sky and solar system objects

  • Includes 2" Crayford focuser for smooth, backlash-free focus adjustment

  • Recommended for visual or astrophotographic use

  • Weighs 27.2 pounds

  • Optical tube only, does not include tube rings, mount, or tripod - which can be purchased separately


 


The Orion 254mm f/4.7 Reflector Telescope Optical Tube Assembly (OTA) is for folks who already have an equatorial mount. This optical tube assembly includes parabolic mirror optics, upgraded 2" Crayford-style focuser, telescope eyepiece holder, quick-collimation cap, dust cap, and dovetail base for finder scope. Aperture: 254mm (10.0"). Focal length: 1200mm (f/4.7). Has a 2" Crayford-style focuser with 2" and 1.25" telescope eyepiece holders. Recommended for visual use or astrophotography. Includes prime-focus camera adapter. Weighs 27.2 lbs. Tube rings, tube ring mounting plate, finder scope, and eyepieces sold separately.

Description
Description

Orion 10" f/4.7 Reflector Telescope Optical Tube Assembly Highlights

 
  • 254mm (10") aperture and 1200mm focal length reflector telescope OTA provides vivid, close views of deep-sky and solar system objects
  • Includes 2" Crayford focuser for smooth, backlash-free focus adjustment
  • Recommended for visual or astrophotographic use
  • Weighs 27.2 pounds
  • Optical tube only, does not include tube rings, mount, or tripod - which can be purchased separately

 

The Orion 254mm f/4.7 Reflector Telescope Optical Tube Assembly (OTA) is for folks who already have an equatorial mount. This optical tube assembly includes parabolic mirror optics, upgraded 2" Crayford-style focuser, telescope eyepiece holder, quick-collimation cap, dust cap, and dovetail base for finder scope. Aperture: 254mm (10.0"). Focal length: 1200mm (f/4.7). Has a 2" Crayford-style focuser with 2" and 1.25" telescope eyepiece holders. Recommended for visual use or astrophotography. Includes prime-focus camera adapter. Weighs 27.2 lbs. Tube rings, tube ring mounting plate, finder scope, and eyepieces sold separately.

Specifications
Specifications
Model Number 09959
Telescope Aperture 254mm (10")
Telescope Series Orion Optical Tube Assembly
Telescope Mount Type No Mount - OTA Only
Type of Electronics OTA Only - No Electronics
Optical Design Newtonian Reflector
Focal Length (mm) 1200
Focal Ratio f/4.7
Optical Coatings Aluminum & Silicon Dioxide
Limiting Stellar Magnitude 14.7
Lowest Useful Magnification 34x
Highest Useful Magnification 300x
Focuser Style Crayford/Crayford Style
Focuser Size 2"
Focuser Speed Single Speed
Telescope OTA Length (in.) 47.2
Telescope OTA Weight (lb.) 27.2
Warranty Limited
What's in the Box?
What's in the Box?
  • Orion 254 mm f/4.7 Newtonian Reflector Telescope OTA
  • 2" Crayford Focuser
  • 2" to 1.25" Eyepiece Adapter
  • Camera Adapter
  • Dovetail Base for Finderscopes (Finder Optional)
  • Collimation Cap
  • Dust Cap
  • Starry Night Special Edition Software
Files
Files
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