yes - the CFZ is too narrow, and the temperature falls too quickly for me to really get a good set of filter offsets for this OTA. works fine on my reflectors but i just couldn't get offsets working reliably with this refractor.
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yes - the CFZ is too narrow, and the temperature falls too quickly for me to really get a good set of filter offsets for this OTA. works fine on my reflectors but i just couldn't get offsets working reliably with this refractor.