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Native ISO of 5D Mark III
So I’ve done a bunch of tests under differently lighting conditions, sunlight, shadow– shadow to sunlight. Day, night. With various ND filters (.03-1.2) and have determined that the native ISO of this camera is ISO 640. Any thoughts, comments?
Warren Eig
O 310-470-0905email: wa****@**************es.com
website: https://www.babyboompictures.comREEL: https://www.babyboompictures.com/BabyBoomPictures/Reels.html
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1 Reply
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In my completely unscientific test (and use) of the camera 640 seems plausible. I’ve had a hard time telling the difference between 320, 640, and 1250. Those seem to be the cleanest signals. I doubt Canon would set the base ISO at 1250 (though the C300 is 850 so…..?) which leaves me leaning towards 320 or 640.
It’d be nice to know. Here’s a video that lays out all the ISO’s side-by-side for a comparison on the 5D3 – https://vimeo.com/42784406
Ryan Holmes
http://www.ryanholmes.me
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