info on reducers and off axis guiding
If I was to add a 6.3 focal reducer to an off axis guider, how do I calculate the focal length of the guide scope that would be the main scope that has a focal length of 3556mm f10as as in phd it requests this
reading to be added. all advice much appreciated
regards J G
Last edited by h0ughy; 24-02-2019 at 08:08 AM.
Reason: more descriptive
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