New answers tagged canon-600d
Most DSLR cameras have a sign on the top (Plimsoll mark) which looks sort of like The line indicates the position of the sensor plane. I googled for pictures of the 600D. It also has this indicator on the left side of the camera top.
No. There are cameras that do though. However, they are almost all based on setting a parameter which decides how ISO is increased from its base sensitivity. In some cases (Pentax) you specify a relative rate, while in others (Nikon) you specify a minimum shutter-speed. Except for some Panasonic cameras, the change of ISO has nothing to do with the scene or ...
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