Image sensor and image capturing apparatus
AssigneeCanon Kabushiki Kaisha
InventorKoichi Fukuda
Life of this patent
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Abstract
An image capturing apparatus in which a plurality of pixels each having a plurality of photoelectric conversion units for receiving light fluxes that have passed through different partial pupil regions of an imaging optical system are arrayed, wherein an entrance pupil distance Zs of the image sensor with respect to a minimum exit pupil distance Lmin of the imaging optical system and the maximum exit pupil distance Lmax of the imaging optical system satisfies a condition of 4 L min L max L min + 3 L max < Z S < 4 L min L max 3 L min + L max .
Claims20
An image capturing apparatus in which a plurality of pixels each having a plurality of photoelectric converters for receiving light fluxes that have passed through different partial pupil regions of an imaging optical system are arrayed, wherein
- an entrance pupil distance Zs of the image capturing apparatus with respect to a minimum exit pupil distance Lmin of the imaging optical system and the maximum exit pupil distance Lmax of the imaging optical system satisfies a condition of
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- L
- min
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- L
- max
- L
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- L
- max
- <
- Z
- S
- <
- 4
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- L
- min
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- L
- max
- 3
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- L
- min
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- L
- max
- .
An image sensor in which a plurality of first photoelectric converters and second photoelectric converters that are operated by at least on processor or circuit to receive light fluxes that have passed through different partial pupil regions of an aging optical system respectively are arrayed, wherein
- an entrance pupil distance Zs of the image sensor with respect to a maximum in age height R of the image sensor satisfies the condition of
- 2.33R<Zs<6.99R.
The image sensor according to wherein, at the entrance pupil distance Zs of the age sensor, a first partial pupil region of an imaging optical system substantially corresponds to light receiving regions of the first photoelectric converters of the plurality of pixels, and a second partial pupil region of an imaging optical system substantially corresponds to light receiving regions of the second photoelectric converters of the plurality of pixels.
An image capturing apparatus, comprising:
- an image sensor including a plurality of first photoelectric converters and second photoelectric converters for receiving light fluxes that have passed through different partial pupil regions of an imaging optical system and a plurality of microlens,
- wherein entrance pupil distance Zs from the plurality of microlens of the image sensor with respect to a minimum exit pupil distance Lmin of the imaging optical system and the maximum exit pupil distance Lmax of the imaging optical system satisfies a condition of
- 4
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- L
- min
-
- L
- max
- L
- min
- +
- 3
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- L
- max
- <
- Z
- S
- <
- 4
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- L
- min
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- L
- max
- 3
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- L
- min
- +
- L
- max
- .
An imaging optical system, comprising:
- a plurality of lens group supported so as to be movable forward and backward along an optical axis;
- and
- an aperture for adjusting an amount of light for image sensing performed by an age capturing apparatus in which a plurality of first photoelectric converters and second photoelectric converters for receiving light fluxes that have passed through different partial pupil regions of the imaging optical system are arrayed;
- wherein an entrance pupil distance Zs of the image capturing apparatus with respect to a minimum exit pupil distance Lmin related to the aperture and the maximum exit pupil distance Lmax related to the aperture satisfies a condition of
- 4
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- L
- min
-
- L
- max
- L
- min
- +
- 3
-
- L
- max
- <
- Z
- S
- <
- 4
-
- L
- min
-
- L
- max
- 3
-
- L
- min
- +
- L
- max
- .
An image sensor in which a plurality of first photoelectric converters and second photoelectric converters that are, operated by at least one processor or circuit to receive light fluxes that have passed through a first partial pupil region and a second partial pupil region of an imaging optical system respectively are arrayed, wherein
- a distance Zs at which the first partial pupil region substantially corresponds to light receiving regions of the first photoelectric converters and the second partial pupil region substantially corresponds to light receiving regions of the second photoelectric converters, and a maximum image height R of the image sensor satisfies the condition of
- 2.33R<Zs<6.99R.
Dependencies are inferred from the claim text.