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I know a lot of people like to just make some masters and re-use them which will certainly the time.
Going to tack on a bit here as i was thinking about this last night:
I often take shots at 1600 ISO for 300seconds which works well.
I see a lot of people however shooting at ISO 800 and even 400.
So what am i better off doing:
a) 1600 ISO for 300seconds, 10 subs or,
b) 800 ISO for 600seconds, 10 subs or,
c) 800 ISO for 300seconds but take double the amount of subs (20)
According to the DSS link above, the longer exposure times are recommended, but with half the amplification, will ISO 800 get as much detail as 1600 (at double the time or double the amount of subs)?
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