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Photography Q&A
Curious about EV settings - Benefits, when & why
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<blockquote data-quote="PaulPosition" data-source="post: 365009" data-attributes="member: 25700"><p>Something that's important to understand : EV Compensation isn't a direct component of the so-called Exposure-Triangle (Aperture, Speed, ISO). Rather, it's a command you send the camera telling it where to go with said triangle when it does it's calculations. As such, it only works in modes where the camera decides of the exposure. Auto, scenes, etc. (P)rogram, (A)perture. In (M)anual it will do nothing BUT change the on-screen meter because all of the exposure controls are under your uh... control.</p><p></p><p>In Aperture mode, for instance, EV will vary speed. If you set EV +1, it will double exposure time. In Speed priority, it will vary aperture. - If you've set ISO to auto, that will also factor in of course.</p></blockquote><p></p>
[QUOTE="PaulPosition, post: 365009, member: 25700"] Something that's important to understand : EV Compensation isn't a direct component of the so-called Exposure-Triangle (Aperture, Speed, ISO). Rather, it's a command you send the camera telling it where to go with said triangle when it does it's calculations. As such, it only works in modes where the camera decides of the exposure. Auto, scenes, etc. (P)rogram, (A)perture. In (M)anual it will do nothing BUT change the on-screen meter because all of the exposure controls are under your uh... control. In Aperture mode, for instance, EV will vary speed. If you set EV +1, it will double exposure time. In Speed priority, it will vary aperture. - If you've set ISO to auto, that will also factor in of course. [/QUOTE]
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Curious about EV settings - Benefits, when & why
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