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Flats questions
I am trying to use a Sony nex5 to take DSO's and need some info on flats .
I have looked on various sites on the net ,including this one ,and get conflicting information. Some say flats should be taken at the lowest iso setting , others at the iso setting used for the lights .which is correct? Also exposure ? Some are given as a histogram setting on the camera , others hit or miss ,some using aperture priority and some in too technical terms talking about well depth.........?? Can anyone suggest which direction I should go.
Regards Philip
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