So if you want the ultimate in control, it makes sense to shoot and edit RAWs for converting them to JPEGs. The important bit for now is to understand that as a RAW is demosaiced and denoised, its flexible data become fixed and therefore editing potential is reduced. These processes are called demosaicing and denoising, more on which below. Why? As part of a RAW’s conversion to a JPEG certain aspects of its data are locked and no longer have the same latitude for adjustment. None of these things are possible to the same degree in a JPEG file. White Balance is also editable, meaning you can ensure color is neutral and lifelike even if it was set incorrectly at the time of shooting. For instance, during a RAW conversion you’ll be able to lighten or darken general exposure up to a point, as well as correct specific tonal zones like highlights and shadows, usually without losing detail in those areas. The way that data is recorded within a RAW file allows great latitude in adjustment compared to a JPEG.
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