Understanding the Nikon Df, amazing jpegs & other things

Started Dec 28, 2013 | Discussions thread
Ruud Wilschut Regular Member • Posts: 321
Re: Understanding the Nikon Df, amazing jpegs & other things

Iliah Borg wrote:

I thought noise reduction was never applied in RAW.

Long exposure noise reduction (LENR) is applied to raw, look it up. Some other types, too.

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You are right Iliah, but that's another kind of noise reduction than normally applied on images.
Long exposure noise reduction is dark frame substraction where the camera performs a second equal exposure right after the first one with the shutter closed to "substract" sensor "hot" pixel noise which should not be present in the dark frame. This data is then used to remove the typical long exposure noise on the first picture. Works very well on astro-photography.

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