Na­tive ISO vs ex­tended

Amateur Photographer - - Technique Take Control Of Iso -

5Na­tive and ex­tended ISO re­fer to ac­tual ISO set­tings and sim­u­lated ISO set­tings. Let’s say a cam­era has these ISO set­tings: L (low), 100-25,600 and H (High). Low would equate to ISO 50 while High would equate to ISO 51,200. If you set High the cam­era would set ISO 25,600 and then over­ex­pose by 1 stop. As a re­sult, im­age qual­ity is com­par­a­tively lower than a shot taken within the na­tive ISO range.

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