Changes

Dynamic range is affected by chemical changes in the eye and iris changes. Chemical changes happen on the order of minutes, and iris changes happen almost instantaneously.<ref name="b592">{{cite web | title=What is the Dynamic Range of the Human Eye?: Studio and Lighting Technique Forum: Digital Photography Review | website=Digital Photography Review | date=2005-04-29 | url=https://www.dpreview.com/forums/thread/1218795 | access-date=2024-05-16}}</ref>

Dynamic range is affected by chemical changes in the eye and iris changes. Chemical changes happen on the order of minutes, and iris changes happen almost instantaneously.<ref name="b592">{{cite web | title=What is the Dynamic Range of the Human Eye?: Studio and Lighting Technique Forum: Digital Photography Review | website=Digital Photography Review | date=2005-04-29 | url=https://www.dpreview.com/forums/thread/1218795 | access-date=2024-05-16}}</ref>

The instantaneous dynamic range of the human eye is about 10 stops, or a contrast ratio of about 1000:1.

The instantaneous dynamic range of the human eye is about 10 stops, or a [[contrast ratio]] of about 1000:1.

==References==

==References==

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