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Nikon DSLR Cameras
D7100
EV values in display?
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<blockquote data-quote="WayneF" data-source="post: 307629" data-attributes="member: 12496"><p>Nobody asked, probably nobody cares, but technically, EV is only about the camera aperture / shutter speed combination (the dial settings), and its equivalent combinations. Camera settings of f/1.0 at 1 second is EV 0, regardless of ISO or exposure. Regardless if using ISO 100 or ISO 3200, f/1.0 and 1 second is still EV 0. EV is simply independent of ISO, and is not about any proper exposure... EV only about the actual numerical camera aperture/shutter setting combinations... the actual dial settings.</p><p></p><p>If we set the camera to say f/16 at 1/125 second, that is EV 15. Then leaving settings there, we can run ISO from the least value to its highest value, and it remains EV 15, at any ISO ... at any resulting exposure. EV is about the camera dial settings. +1 EV is a one stop step from those settings.</p><p> </p><p>We do tend to say bright sunlight is about EV 15, then with the added implied meaning if at ISO 100, but ISO is not in the definition of EV. EV is specific camera settings (or equivalent), but if to suggest EV 15 is any specific exposure, then we have to specify at which ISO we imply.</p><p></p><p>Nikon does spec their metering range to be 0-20 EV, qualified to say at ISO 100, f/1.4, and 20 degrees C (I don't know why the temperature. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /> )</p></blockquote><p></p>
[QUOTE="WayneF, post: 307629, member: 12496"] Nobody asked, probably nobody cares, but technically, EV is only about the camera aperture / shutter speed combination (the dial settings), and its equivalent combinations. Camera settings of f/1.0 at 1 second is EV 0, regardless of ISO or exposure. Regardless if using ISO 100 or ISO 3200, f/1.0 and 1 second is still EV 0. EV is simply independent of ISO, and is not about any proper exposure... EV only about the actual numerical camera aperture/shutter setting combinations... the actual dial settings. If we set the camera to say f/16 at 1/125 second, that is EV 15. Then leaving settings there, we can run ISO from the least value to its highest value, and it remains EV 15, at any ISO ... at any resulting exposure. EV is about the camera dial settings. +1 EV is a one stop step from those settings. We do tend to say bright sunlight is about EV 15, then with the added implied meaning if at ISO 100, but ISO is not in the definition of EV. EV is specific camera settings (or equivalent), but if to suggest EV 15 is any specific exposure, then we have to specify at which ISO we imply. Nikon does spec their metering range to be 0-20 EV, qualified to say at ISO 100, f/1.4, and 20 degrees C (I don't know why the temperature. :) ) [/QUOTE]
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Nikon DSLR Cameras
D7100
EV values in display?
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