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<blockquote data-quote="WayneF" data-source="post: 398586" data-attributes="member: 12496">Better look up EV then.&nbsp; &nbsp; EV is strictly about the camera shutter speed and aperture settings.f/16 and 1/125 second is EV 15,&nbsp; regardless of ISO, and regardless if the lens cap is on.&nbsp; It is NOT about the light or ISO.&nbsp; It is merely about the combination of camera settings.However.....&nbsp; &nbsp; People&nbsp; (and manufacturers) have started quoted specs with these camera settings, and specify it applies at ISO 100.&nbsp;&nbsp; If they say EV 12 at ISO 100, then they do mean at ISO 100.&nbsp;But otherwise, EV is NOT about ISO or the light... EV merely is a name for the set of Equivalent Exposure settings in the camera.See <a href="http://www.scantips.com/lights/evchart.html" target="_blank">EV - Exposure Value - and Sunny 16. Definition and chart</a>Also see <a href="http://en.wikipedia.org/wiki/Exposure_value" target="_blank">Wikipedia</a></blockquote>

[QUOTE="WayneF, post: 398586, member: 12496"] Better look up EV then. EV is strictly about the camera shutter speed and aperture settings. f/16 and 1/125 second is EV 15, regardless of ISO, and regardless if the lens cap is on. It is NOT about the light or ISO. It is merely about the combination of camera settings. However..... People (and manufacturers) have started quoted specs with these camera settings, and specify it applies at ISO 100. If they say EV 12 at ISO 100, then they do mean at ISO 100. But otherwise, EV is NOT about ISO or the light... EV merely is a name for the set of Equivalent Exposure settings in the camera. See [url=http://www.scantips.com/lights/evchart.html]EV - Exposure Value - and Sunny 16. Definition and chart[/url] Also see [URL="http://en.wikipedia.org/wiki/Exposure_value"]Wikipedia[/URL] [/QUOTE]

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