Home » Telescopes » GSO 6″ F/9 Ritchey-Chrétien Telescope
GSO 6″ F/9 Ritchey-Chrétien Telescope
OVERVIEW
SPECIFICATIONS
DATASHEET
ACCESSORIES
⦿ Aperture 6" / 152mm.......Focal Length 1370mm
⦿ f/9 is faster than a 6" SC or Mak
⦿ illuminated field is much bigger
⦿ you can attach 2" eyepieces and full size SLR/DSLR cameras without vignetting
⦿ two hyperboloidical mirrors with 96% reflectivity lead to a bright image
⦿ faster cool-down time and no dew problems because of open tube design without front correcting plate
⦿ enough back focus for all kinds of accessories
⦿ M90 extension tubes for easy reaching of the focus are optional. Spacer, to be placed between focuser and telescope
⦿ fixed mirrors and 2" Crayford focuser with 1:10 dual speed transmission - no problems with mirror shift
⦿ Rotatable, 2" dual-speed (10:1) machined Crayford focuser provides precise focus adjustment control
⦿ Features one dovetail finder scope bases
⦿ corrected field is much bigger compared with a 6" SC
⦿ Computer optimized internal baffle system