| 摘要 |
A lens barrel mountable on a camera body includes a phototaking lens system, an absolute position detecting device for detecting the absolute position of the phototaking lens system in the axial direction, a phototaking distance data memory device for storing phototaking distance data corresponding to the absolute position of the phototaking lens system, an aberration data memory device for storing aberration data between a predetermined image plane and the actual image plane of the phototaking lens system, and a calculation device for correcting the phototaking distance data based on the aberration data, wherein the corrected phototaking distance data are transferred to the camera body.
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