| 摘要 |
A focus detection apparatus having a first focus detection unit and a second focus detection unit of a scheme differing from that of the first focus detection unit, and for detecting the shift amount of a focal position by the first and second focus detection units has an instruction unit capable of instructing a detection mode for detecting the shift amount, and an image producing unit, when given the instructions for the detection mode from the instruction unit, for producing an object image.
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