Orion 6" f/9 Ritchey Chretien Reflecting OTA Telescope

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Orion 6" f/9 Ritchey Chretien Reflecting OTA Telescope

    • 6" (152mm) aperture, f/9 Ritchey Chretien optical tube ideal for use with DSLR cameras and small-format CCD imagers to produce wonderfully flat, virtually coma-free images
  • Hyperbolic primary and secondary mirrors with enhanced aluminum coatings boast 96% reflectivity for bright imaging performance
  • Conveniently compact and portable astrograph ideal for on-the-go astrophotographers
  • Rotatable, 2" dual-speed (10:1) machined Crayford focuser provides precise focus adjustment control
  • Features two dovetail finder scope bases and includes one 2" and two 1" focus extension rings so you can adjust focus position for various imaging cameras and accessories


Aperture152 mm (6")
Dawes Limit0.76 arcseconds
Focal Length1370 mm
Focal Ratiof/9
Highest Magnification304x
Light Gathering Power472x
Limiting Magnitude14.7
Optical DesignRitchey Chretien
Tube Length485mm
Tube Weight12.1 lbs