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Message: <blockquote data-quote="Horoscope Fish" data-source="post: 291219" data-attributes="member: 13090">Under those circumstances you've adjusted your shutter speed to give you the correct exposure based on the current ISO and aperture; that being 1/125 at, say for instance, ISO 200. Now you press the EC button and adjust it "one click" (-0.3 EV) which then adjusts the ISO to give you the -0.3EV underexposure you've just requested. This means you will take the shot at, as an example, ISO 180 instead of your dialed-in ISO of 200.You adjust exposure in one of three ways: by changing the ISO, by changing the shutter speed or by changing the aperture. The Exposure Compensation button adjusts exposure by changing ISO, either up or down, to give you the requested EV....</blockquote>