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