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<blockquote data-quote="Vincent" data-source="post: 398684" data-attributes="member: 15675">I still tend to express it differently.<img src="http://upload.wikimedia.org/math/c/8/0/c80d15b8b975e8f080bd563e3fa32917.png" alt="" class="fr-fic fr-dii fr-draggable " style="" />Your exposure value is the EV at ISO 100. Mine seems to be the EV at the ISO setting chosen.Clearly the technical term is that the EV then still is strictly about the ISO (in my case), camera shutter speed and aperture settings.However why do you not set it to EV 16 all the time? Because the EV of the camera needs to match up with the light on your subject.If your EV (technical camera settings) do not match up with the light conditions, your exposure is wrong.So I technically correct I should have stated that the light conditions on a normal sunny day need an EV (corrected for ISO) of 15.Technical settings doing this are ... ISO ... Shutter speed and ... Aperture.EV is all about the light conditions and is just the translation of light conditions to valid sets of technical settings in the camera and has to take into account ISO to be correct.</blockquote>

[QUOTE="Vincent, post: 398684, member: 15675"] I still tend to express it differently. [IMG]http://upload.wikimedia.org/math/c/8/0/c80d15b8b975e8f080bd563e3fa32917.png[/IMG] Your exposure value is the EV at ISO 100. Mine seems to be the EV at the ISO setting chosen. Clearly the technical term is that the EV then still is strictly about the ISO (in my case), camera shutter speed and aperture settings. However why do you not set it to EV 16 all the time? Because the EV of the camera needs to match up with the light on your subject. If your EV (technical camera settings) do not match up with the light conditions, your exposure is wrong. So I technically correct I should have stated that the light conditions on a normal sunny day need an EV (corrected for ISO) of 15. Technical settings doing this are ... ISO ... Shutter speed and ... Aperture. EV is all about the light conditions and is just the translation of light conditions to valid sets of technical settings in the camera and has to take into account ISO to be correct. [/QUOTE]

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