This may be going over the top; and its not really relevant to seeing things but
I am very fond of my 12 inch DOB but it looks like a water heater whereas the C9.25 CPC looked like a finely crafted watch.
Also i like the view through my DOB but
it is an open tube so the mirrors probably have dust, its probably not collimated to 100 % effectiveness, the mirror coating will deteriorate and reflect less light and like most dobs it has no XLT, UHTC coatings so
i am thinking that in general an 11 or 12 inch sct will outperform a 12 inch Bintel/GSO DOB?
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