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<blockquote data-quote="aroy" data-source="post: 327683" data-attributes="member: 16090">Unless the body is defective, it will meter correctly. That means that the combination of Aperture, Exposure speed and ISO will be set properly.. In A, the speed varies if ISO is fixed. If ISO is auto, then it will either vary speed or if it thinks that it is too low the ISO.. In S, the aperture varies if ISO is fixed. If ISO is auto, then it will either vary aperture or if it thinks that it is too low the ISO.. In P it will decide what it thinks is the best combination.. In M you decide and set everything.So if you get a situation where it does not feel right, check the ISO at which it was shot. If you inadvertently set the ISO at auto it will show. I normally disable Auto ISO, as I like to know what is going on. Of course if I am shooting where both the aperture and the speed need to be set (aperture for DOF, and speed to freeze action), then ISO is the only variable left for the camera to expose properly.</blockquote>

[QUOTE="aroy, post: 327683, member: 16090"] Unless the body is defective, it will meter correctly. That means that the combination of Aperture, Exposure speed and ISO will be set properly. . In A, the speed varies if ISO is fixed. If ISO is auto, then it will either vary speed or if it thinks that it is too low the ISO. . In S, the aperture varies if ISO is fixed. If ISO is auto, then it will either vary aperture or if it thinks that it is too low the ISO. . In P it will decide what it thinks is the best combination. . In M you decide and set everything. So if you get a situation where it does not feel right, check the ISO at which it was shot. If you inadvertently set the ISO at auto it will show. I normally disable Auto ISO, as I like to know what is going on. Of course if I am shooting where both the aperture and the speed need to be set (aperture for DOF, and speed to freeze action), then ISO is the only variable left for the camera to expose properly. [/QUOTE]

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