Corelation between ISO and Shutter Speed ?

Started Feb 6, 2013 | Discussions thread
Hugowolf Forum Pro • Posts: 12,674
Re: Corelation between ISO and Shutter Speed ?

Silver Herenaillor wrote:

Of what i heard every ISO stops divide the shutter speed by two. Little example :
For a correct exposure of the same subject,
At ISO 100 SS is 1/8,
At 200 Ss is 1/15
At 400, 1/30,
800, 1/60,
Is that accurate ?

Pretty much. Double the ISO, half the shutter duration. Half the ISO, double the shutter duration. Given the same aperture, of course.

Brian A

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