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FORUMS Photography Talk by Genre General Photography Talk 
Thread started 12 Aug 2013 (Monday) 22:53
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Exposure latitude?

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Joined Feb 2013
Aug 12, 2013 22:53 |  #1

What is exposure latitude? What factors determine exposure latitude? How do you find out what it is for your system?

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Aug 12, 2013 23:07 |  #2

For a given lighting situation, there is a 'correct exposure'. The range over which one can reduce or increase from 'correct exposure' and still produce acceptable results is know as 'exposure latitude'

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Aug 13, 2013 01:41 |  #3

Short and to the point Wilt. "exposure latitude", I should add, doesn't entirely correlate to dynamic range, because there are times when you have highlights that are going to blow no matter what (window from inside, lamps, specular highlights on metal).

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Aug 13, 2013 03:39 |  #4

It also doesn't correspond to DR because an underexposed image, or part of an image, can be within the DR but not provide acceptable IQ when correction is attempted - especially if it is a jpg. Since "acceptable" is part of the definition of latitude, it is subjective.

Elie / אלי

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Aug 14, 2013 00:36 |  #5

Hmm, I'd say that "exposure latitude" does directly "tie in" to dynamic range, but that is the dynamic range of the sensor (including noise performance), meaning you are shooting Raw and know the DR that you are working with!

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Exposure latitude?
FORUMS Photography Talk by Genre General Photography Talk 
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