D610 long-exposure noise

Started Dec 31, 2013 | Questions thread
TH - NikonStrobist
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Re: D610 long-exposure noise
In reply to juliancd38, 11 months ago

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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