Started Dec 20, 2013 | Questions thread
smithling Regular Member • Posts: 384
Re: Why ETTR?

To ETTR properly, you need to increase the amount of light that hits the camera sensor. This means making the path to the sensor bigger (aperture), or giving the sensor more time to collect light (slower shutter speed). More light hitting the sensor means a higher signal to noise ratio. Think of ISO as the sensor's electronic gain, which introduces noise as it increases. Sometimes an increase in ISO is needed however, given the photographers choice of shutter speed and/or aperture.

If you ETTR properly, the OOC jpeg will look overexposed. Just make sure to keep the exposure as high as you can, without blowing out important elements in your scene.

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