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video iso speed


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#1 Damien Andre

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Posted 27 June 2011 - 08:58 PM

when someone shooting on video says "we rated the camera for iso 800" do they usually mean they set the camera to iso 800 or that theyre shooting at some other iso while exposing for 800? im just a bit confused with the term "rated"
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#2 David Mullen ASC

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Posted 27 June 2011 - 09:18 PM

when someone shooting on video says "we rated the camera for iso 800" do they usually mean they set the camera to iso 800 or that theyre shooting at some other iso while exposing for 800? im just a bit confused with the term "rated"


It can mean either, that they have determined that the camera has a 800 ISO sensitivity, or that they have decided to use a 800 ISO rating for exposure purposes, and either are correcting for the difference between the actual sensitivity and their rating by boosting the gain in-camera or later in post (as in the case with a RAW camera like Red).
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