Exposure basics, lesson two

Started Mar 16, 2013 | Discussions thread
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Great Bustard Forum Pro • Posts: 37,276
Exposure basics, lesson two

This is a continuation of the thread, "Exposure basics, lesson one", here:


In that thread, I posed a question:


Let's say someone has an EM5, and they shoot a scene at f/2.8, 1/100, ISO 3200, and those settings zeroed the cameras meter.  Another photographer, also with an EM5, shoots the same scene at f/2.8, 1/100, ISO 800.

How do the exposures compare?  Does it matter if they shoot RAW or jpg?

and there were some good responses.  I would like to continue the discussion on the answer to that question, and also add in the following:

If the camera had an optional setting where the brightness of the image playback and in-camera jpg could be set to a zeroed meter (plus or minus any EC the photographer set, if any), what role would that play in terms of the answers to the above question?

This means, for example, that the f/2.8 1/100 ISO 3200 and f/2.8 1/100 ISO 800 photos would appear the same brightness on the LCD and in-camera jpg.

So, how do the exposures compare?  Are they the same?  What role, in this case, would the camera's ISO setting play?

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