Leica SL Sensor Measurements Published at PhotonsToPhotos

Started Mar 2, 2017 | Discussions thread
(unknown member) Senior Member • Posts: 2,498
Re: Source of noise in long exposures

bclaff wrote:

Joe Pineapples II wrote:


There is no recipe AFAIK that applies to all cameras and all scenes.


The simply physics of photon noise make it universal advise to gather as much light as possible which means starting with the lowest (normal) ISO setting and raising it only after you have set aperture and exposure time.

I totally agree. I was thinking about my Canon DSLR, where if I don't pay attention to setting the ISO then the shadow areas can end up a bit of a disaster, where someone with the latest Sony sensor might choose different settings knowing they can pull detail from the shadows like one of those magicians pulling rabbits out of a hat.


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