Shadow Recovery PhotonsToPhotos explain please

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Currantos Regular Member • Posts: 107
Shadow Recovery PhotonsToPhotos explain please

Hello.

I am looking at the following website and trying to understand and struggling.

http://photonstophotos.net/Charts/PDR_Shadow.htm

http://photonstophotos.net/GeneralTopics/Sensors_&_Raw/Sensor_Analysis_Primer/Photographic_Dynamic_Range_Shadow_Improvement.htm

I  am interested mainly in understanding photographic dynamic range shadow improvement right now.

Can someone please explain how to read the curve? What is "better/worse" and how to decide?

Main application is to decide when to raise ISO versus brighten in post-production and all that. It seems the curve is telling me something that can be useful just don't understand quite what it is. The curve is not flat so it's not all the same.

This is for photos that are done in low light and so are underexposed and have to deal with all that.

thank you

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