Quote:
Originally Posted by Fran
Okay, but your settings are identical except for the ISO. Again, unless I'm missing something, the image with ISO 100 will be brighter than with ISO 50.
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he's trading off the drop in 1 stop of ISO (100 down to 50) with an up step in shutter speed (1 sec to 2 sec).
in theory 1 stop of ISO, shutter speed and f/stop should all be equal amounts of exposure.