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Why Shutter Exp mode does this?


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Beemer2 Silver Member Nikonian since 07th Dec 2006
Sun 30-Sep-12 02:02 PM

Using D300s, 17-55mm and SB-800 iTTL no compensations set.

If I set my D300s to ISO200, manual mode, 1/60s shutter speed and F8 I get a good exposure.

If however I set shutter mode, 1/60s for the same subject the camera selects F2.8. The resulting image histogram is not much different to before.

Why would shutter mode use F2.8 rather than any smaller stop?


If only Mozart had had a camera