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Re: [ATM] Aero Ektar Coma Correector?
M/S Heald wrote:
> Hello! I have a 178mm aero ektar that I have to stop down from f2.5 to
> f5.6
> because of coma before getting sharp 4x5 wide field shots. Is it possible
> to design a coma corrector so that I can use it at f4 or f2.5? Best
> regards.
>
Do you have the prescription or some other information about
the original lens?
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