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Dioptrx and Paracorr
I have an old 2 inch Skyglow filter lying around and have just noticed that if I unscrew the dioptrx into the 2 component parts, one side screws into one side of the filter housing and the other side of the filter housing screws into the bottom of the paracorr. Is there any reason why I can't leave the dioptrx attached to the paracorr and just rotate the paracorr in the focuser to eliminate the astigmatism?
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