Spacing between Sky Watcher reducer Corrector-0.85x/ED80 and QHY10

The only post I can find in this subject in internet is on Cloudy Nights forum and the author stated that he achieved excellent focus with spacing 56.2mm. I have added in 5mm T2 spacer between the filter wheel and camera to achieved 36-37mm between camera and field flattener. The camera adds 20mm between sensor and end of flange so this makes total of 56-57mm, which should therefore be ideal. I will find out when I next have a chance to use it at night!

Andy

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