Another strange bug with D4, possibly D800!?!?

Started Feb 5, 2013 | Discussions thread
nguyenlang New Member • Posts: 1
Re: Another strange bug with D4, possibly D800!?!?

Roland,you set the AF-ON button at the custom function a8 to " AF lock only " doesn't work, because  pressing this AF-ON button will conflict with the halfway pressed shutter release on AF-C mode.

halfway pressed shutter release : keep the subject always in continous focus meanwhile the AF-ON button , when pressed will freeze the focus, that is the conflict between two functions.

Therefore if you pressed the AF-ON and recompose the camera and fully press the shutter release , the camera will focus the new position ( halfway pressed) and shot.

Dramatic change in exposure because different lightings(by rotate the camera) there is nothing

to do  with AF-ON setting at " AF lock only "  of custom function a8.

Solution : Use Fn button for AE/AF lock or change shutter release only if you still want to use " AF lock only "

Hopefully will solve the problem.

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