Quote:
Originally Posted by Omaroo
Yep - I take plenty of darks (at least two) every time i change camera timing or ISO settings - as well as a couple for every shift of 10 degrees or so in air temp.
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Keep a close eye on ambient temp changes.
For every 6 deg increase, the dark current doubles.
I keep a very close eye on temp and take darks accordingly.
Also I switch off the preview screen once I begin a run and allow around 15 sec between shots for things to settle.