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Old 03-08-2020, 12:40 AM
Gadget4x4 (Peter)
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Join Date: Jun 2020
Location: Perth, Australia
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Celestron CPC1100 back focus distance.

Hi everyone. just after a bit of help. I'm trying to find the correct back focus distance from the outer edge of the baffle lock nut to the camera focal plane.
I know for the CPC1100 EdgeHD it's 146mm, but don't know if it's the same for the standard CPC1100 GPS.

Any help appreciated.
Cheers
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