Updated specs on the EOS 6D

Started Sep 16, 2012 | Discussions thread
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Exposure.
In reply to oscarvdvelde, Sep 16, 2012

oscarvdvelde wrote:

qianp2k wrote:

I don't need and don't want to pull shadow 4-5 stops so it's not that critical to me.

In a correctly exposed shot you would rarely need to lift shadows...

The only reason a "correctly exposed" shot would not require shadow lifting is because the shadows are displayed dark per the tone curve applied to the photo.

...but look at it from the other side. You may wish to recover blown highlights.

This is impossible, by definition. Anything blown is blown. Period. What you can do, as you suggest in the paragraph immediately below, is use a lower exposure (as opposed to "underexpose") to preserve the highlights and then apply the appropriate tone curve to the photo.

If the camera offers you 4-5 stops cleaner shadows you can underexpose to save the highlights and pull the whole image back to what it should look like, without getting much noise.

As I said above, this is not "underexposure", but rather using a lower exposure to preserve the highlights, in combination with the desired tone curve to render the desired photo.

The whole notion of "underexposure" and "overexposure" only have meaning in terms of the visual properties of the final photo. An "underexposed" photo means that a higher exposure would have resulted in a better photo, and an "overexposed" photo means that a lower exposure would have resulted in a better photo.

If a lower exposure results in a better photo, then the lower exposure is not "underexposed". This is more than semantics -- it is central to photography, and directly tied to the DR capabilities of the sensor.

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