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