D610 long-exposure noise

Started Dec 31, 2013 | Questions thread
TH - NikonStrobist
TH - NikonStrobist Regular Member • Posts: 391
Re: D610 long-exposure noise

Very informative thread.

Where does one look for how quickly any given sensor cools?

In practical terms, assume an ambitious photographer wants to take a 3-frame bracketed spread of long exposures, perhaps for HDR or some other purpose.  If they are fired off as closely-spaced as possible (which means LENR is off) so there's minimal change -- in say, 3 exposures of 30 seconds each -- won't that third frame be a LOT noisier (assuming LENR is off) since it's in some sense the "final third" of what's effectively a 90-second exposure?

And even with LENR enabled that would be the fifth frame of a six-frame exposure, right?  LENR has been adding heat between each of the frames because it's creating a "dark" frame to process with.

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