Orion - 100mm F/6 Refractor Optical Tube Assembly

* Multi-coated optics for excellent light transmission
* 100mm aperture and 600mm focal length
* Includes focuser and collimating tool
* Does not include mount or tripod - can be purchased separately
* One-year limited warranty

Product Specifications:
Use Astronomy & terrestrial
User level Level 2
Optical design Refractor
Optical diameter 100mm
Focal length 600mm
Focal ratio 6.0
Coatings Multi-coated
Optics type Air-spaced doublet
Glass material Crown/Flint
Eyepieces included None
Resolving power 1.16arc*sec
Lowest useful magnification 14x
Highest useful magnification 200x
Limiting stellar magnitude 12.7
Optical quality Diffraction Limited
Focuser 2" Rack-and-pinion
Mount style Optical Tube without Mount
Astro-imaging capability Lunar, planetary & long exposure
Tube material Aluminum
Length of optical tube 24.5 in.
Weight, optical tube 7.0 lbs.
Additional included accessories Collimating tool, 1.25" adapter
Other features Adjustable lens cell, 2" Focuser
Warranty One year