from what i have read the f3.3 reducer will not work as it is only successful on much smaller chips, something to do with the steepness of the entering light cone i think
i use an f6.3 reducer on my c11 and that works extremely well
if you want a true widefield from your bucket you need to do hyperstar imaging at f2, there is a lot of info on this on the net and a few of our members are involved in this type of imaging
regards
pat
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