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Orion 120mm f/5.0 Refractor Telescope Optical Tube Assembly

SKU: 09836

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Orion 120mm f/5.0 Refractor Telescope Optical Tube Assembly

SKU: 09836

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About this product

  • Rich-field refractor optical tube assembly with big 4.7" aperture for deep-sky pursuits and wide-field astrophotography use
  • 120mm aperture and 600mm focal length refractor provides crisp wide-field views exhibiting high contrast
  • Perfectly portable at just 8.6 lbs., makes for a great grab-and-go telescope
  • 2" rack and pinion focuser accepts both 2" and 1.25" eyepieces and accessories
  • Optical tube only - mount, tripod, and accessories sold separately

This compact, large-aperture Orion 120mm F/5.0 Refractor Telescope Optical Tube is perfect for deep-sky pursuits. Its 120mm (4.7"), multi-coated achromatic telescope lens assembly and modest 600mm focal length combine to provide breathtaking wide-field views. With an optional 25mm Plossl telescope eyepiece, this telescope serves up a sprawling 2.1ø swath of sky! The fast f/5.0 optical system also makes it an excellent telescope for astrophotography. The 26"-long optical tube is well baffled to ensure good contrast. The cast-metal 2" rack-and-pinion focuser accommodates either a 1.25" or 2" diagonal, so you can use 1.25" or 2" telescope eyepieces. Tube color is gunmetal gray metallic. A mounting base molded into the focuser casting to accept an optional Orion finder scope or EZ Finder reflex sight. Sold as tube assembly only without accessories. Includes objective lens cap.

User level: Intermediate
Optical design:Refractor
Optical diameter:120mm
Focal length:600mm
Focal ratio:f/5.0
Coatings:Multi-coated
Optics type:Air-spaced doublet
Glass material:Crown/Flint
Highest theoretical magnification 240x
Limiting stellar magnitude: 13.1
Optical quality: Diffraction Limited
Focuser: 2" Rack-and-pinion
Astro-imaging capability: Lunar, planetary & long exposure
Tube material: Aluminum
Length of optical tube 25.0 in.
Weight, optical tube 8.6 lbs. (3.9kg)
Additional included accessories: 1.25" adapter
Other features: 2" focuser
Warranty: One year

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