Image sensor and image capturing apparatus
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United States of America
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Mar 25, 2025
Grant Date -
Jan 27, 2022
app pub date -
Oct 8, 2021
filing date -
Oct 8, 2021
priority date (Note) -
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Abstract
In an image sensor having a plurality of pixels including focus detection pixels that outputs signals from which a pair of focus detection signals having parallax can be obtained based on light flux passing through different pupil regions of an imaging optical system, each pixel comprises: at least one photoelectric conversion unit; and a microlens optical system provided on a side on which light is incident with respect to the photoelectric conversion unit, wherein a shape of a principal curved surface of the microlens optical system is such that a first curvature of the microlens optical system at a first distance from an optical axis of the microlens optical system is larger than a second curvature of the microlens optical system at a second distance which is farther from the optical axis of the microlens optical system than the first distance.
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