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| Re: Help please...Canon T1i overexposure problems |
For Focus-Recompose, you need to do what I do and many others do including many pros. Separate the AF away from the shutter button and to the * (star) button on the back of the camera, top right (left one of the two buttons). That way you can focus with your thumb, recompose and then press the shutter button gently. You will get the exposure from the actual scene as shot.
If dpreview have listed the custom functions correctly
it looks to me like you would with the shipped setup of the camera too: shutter half-press just starts AF and by default doesn't lock AE.
By the way, on many of the Canon bodies AE lock on shutter half-press is disabled with the metering set to evaluative. This can cause the behaviour to unexpectedly change if you change to centre-weighted.
I guess it's possible the meter looked at the black pants and made them grey, but it's hard to see how it metered on them.
Canon Digital Photo Professional confirms that you were in Program mode with Center-weighted Average metering and zero exposure compensation. The camera chose ISO 800 and 1/40-second shutter at f/4.0.
f/4 is almost wide open so it's not a sticky aperture mechanism. I suspect this is a faulty camera body.