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  • BBarlow [Bill Barlow]
  • 10/16/2019 08:12PM
I wonder if the 6" model also suffers some aperture loss like this 8" CC scope. I can see why the C8 is brighter given it has about .7" more aperture and the XLT coatings.
  • CpsTNS [Charles Sands]
  • 03/09/2021 07:44PM
I have the GSO 6" blacl tube. It is probably the same. If it is true, it would be a 140mm (5.5").