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<blockquote data-quote="WayneF" data-source="post: 394687" data-attributes="member: 12496">Bravo!&nbsp; That always seems to be a pretty difficult concept. Not everyone gets it, because it is actually more simple than they want to make it.&nbsp; I have an article at <a href="http://www.scantips.com/lights/evchart.html" target="_blank">EV - Exposure Value - and Sunny 16. Definition and chart</a> on the subject of EV, which I found hard to write due to the contradictions.&nbsp; <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile&nbsp; &nbsp; :)" loading="lazy" data-shortname=":)" />&nbsp; Criticisms welcome.Meters read EV values, and then ISO settings do produce a different EV reading in same light, only because proper exposure at that ISO then requires other values of camera settings for shutter speed and f/stop.&nbsp; But EV is only about the combination of those camera settings.&nbsp; Specifically, the basic idea is that an EV value is the name of the set of equivalent exposures of all the combinations on that one EV row.</blockquote>

[QUOTE="WayneF, post: 394687, member: 12496"] Bravo! That always seems to be a pretty difficult concept. Not everyone gets it, because it is actually more simple than they want to make it. I have an article at [URL="http://www.scantips.com/lights/evchart.html"]EV - Exposure Value - and Sunny 16. Definition and chart[/URL] on the subject of EV, which I found hard to write due to the contradictions. :) Criticisms welcome. Meters read EV values, and then ISO settings do produce a different EV reading in same light, only because proper exposure at that ISO then requires other values of camera settings for shutter speed and f/stop. But EV is only about the combination of those camera settings. Specifically, the basic idea is that an EV value is the name of the set of equivalent exposures of all the combinations on that one EV row. [/QUOTE]

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