Red and Blue

by Gordon

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1

It depends on what you mean by more accurate. The same algorithms are used in either AI Servo or One Shot to get an initial focus on what is in the viewfinder at the selected areas of AF sensitivity. What happens after that may affect how well your subject is in focus in either mode. With One Shot the camera stops all AF focus activity once focus lock is ...


3

This is possible using Sony SLT technology. It would be possible with cameras that use the imaging-sensor to do autofocus, using on-chip Phase-Detect sensors. The reason this is not possible on most cameras is that during exposure the Phase-Detect sensor is out of the optical path. On a DSLR, the mirror goes up to expose the sensor and has to be down to let ...



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