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公开(公告)号：US20230341262A1
公开(公告)日：2023-10-26
申请号：US18341753
申请日：2023-06-26
申请人： FUJIFILM Corporation
CPC分类号： G01J3/0208 , G01J3/2823 , G01J3/0229 , G01J3/0224 , G01J2003/2826
摘要： Provided are a lens device, a filter unit, and an imaging apparatus capable of suppressing occurrence of ghosts. The lens device includes a filter unit in an optical path. The filter unit has a plurality of opening portions including a first opening portion and a second opening portion. At least the first opening portion and the second opening portion each include a band-pass filter, and each include an optical element on at least one of an object side or an image side of the band-pass filter. The optical element is composed of a polarized light filter and a wave plate which converts linearly polarized light into circularly polarized light or elliptically polarized light. The first opening portion and the second opening portion pass light in different wavelength regions and different polarization directions.
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公开(公告)号：US20230319385A1
公开(公告)日：2023-10-05
申请号：US18301245
申请日：2023-04-16
申请人： FUJIFILM Corporation
IPC分类号： H04N23/55 , H01L27/146 , G02B5/20 , G02B5/30
CPC分类号： H04N23/55 , G02B5/205 , G02B5/3016 , H01L27/14627
摘要： An optical member includes aperture regions, a lens device, and an imaging apparatus. A lens device includes: an imaging optical system; a first polarizing part that polarizes at least a part of rays transmitted through the imaging optical system; and a filter unit that is disposed at a pupil position of the imaging optical system or near the pupil position, and includes aperture regions transmitting the rays of the imaging optical system and including a first aperture region and a second aperture region, wavelength selective filters disposed in the first aperture region and the second aperture region and transmitting pieces of light of which at least a part of wavelength ranges are different from each other, and a second polarizing filter including polarizing filters disposed in the first aperture region and the second aperture region and having polarization directions different from each other.
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23.发明公开公开(公告)号：US20230308757A1
公开(公告)日：2023-09-28
申请号：US18327214
申请日：2023-06-01
申请人： FUJIFILM CORPORATION
IPC分类号： H04N23/68 , H04N23/695
CPC分类号： H04N23/6811 , H04N23/687 , H04N23/695
摘要： An imaging support device that supports imaging performed by an imaging apparatus includes an acquisition portion that acquires an in-image shift amount between a predetermined position in a captured image obtained by capturing an imaging region by an imaging element and a position of a target subject image showing a target subject, and a focal length of the imaging apparatus, a derivation portion that derives a movement amount required for moving the position of the target subject image to a specific position by a position adjustment portion which adjusts the position of the target subject image in the captured image, based on the in-image shift amount acquired by the acquisition portion, the focal length acquired by the acquisition portion, and information related to a pixel interval of pixels in the imaging element, and an output portion that outputs the movement amount derived by the derivation portion.
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24.发明公开公开(公告)号：US20230276128A1
公开(公告)日：2023-08-31
申请号：US18310496
申请日：2023-05-01
申请人： FUJIFILM CORPORATION
CPC分类号： H04N23/685 , G02B27/646 , H04N23/69 , H04N23/632
摘要： An imaging support device includes a detection portion that, by operating a revolution mechanism that causes an imaging apparatus including a variable magnification mechanism to revolve, detects a subject image position of a target subject image showing a target subject in a captured image obtained by capturing an imaging region including the target subject by the imaging apparatus, and a control portion that perform a registration control of setting the subject image position detected by the detection portion to a specific position in the captured image for a captured image obtained by imaging performed by the imaging apparatus in accordance with changing of magnification to a telephoto side by the variable magnification mechanism.
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公开(公告)号：US20230204950A1
公开(公告)日：2023-06-29
申请号：US18153359
申请日：2023-01-12
申请人： FUJIFILM Corporation
CPC分类号： G02B27/0081 , G02B13/0095 , G02B7/006 , G02B5/005 , G02B7/02 , H04N23/10 , H04N23/71 , H04N23/633
摘要： An imaging device, an adjustment method, and an adjustment program can acquire multispectral images having good image quality. The imaging device is disposed on an image side of another optical system, and includes a multispectral camera that acquires images in a plurality of wavelength ranges, a field lens that relays the other optical system to the multispectral camera, and an adjustment mechanism that adjusts a conjugate relationship between an emission pupil position of the other optical system and an incident pupil position of the multispectral camera. The multispectral camera includes: a wavelength polarizing filter unit that includes an optical member disposed at a pupil position or near the pupil position and including a plurality of aperture regions having different centroids, a plurality of optical filters arranged in the aperture regions, and a plurality of polarizing filters arranged in the aperture regions; an imaging element; and a processor.
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公开(公告)号：US20220385863A1
公开(公告)日：2022-12-01
申请号：US17884537
申请日：2022-08-09
申请人： FUJIFILM Corporation
摘要： Provided are an imaging apparatus and a method capable of capturing a high-quality multi spectral image. The imaging apparatus includes: an optical system that has three or more aperture regions at a pupil position or near the pupil position, each of the aperture regions being provided with a different combination of a polarizing filter and a bandpass filter such that the aperture region transmits light having a combination of a different polarization angle and a different wavelength range; an image sensor in which three or more types of pixels that receive light having different polarization angles are arranged two-dimensionally; and a processor that performs interference removal processing on a signal output from the image sensor and generates an image signal for each of the aperture regions. In a case where the optical system has three or more types of the polarizing filters and the polarizing filters are arranged in an order of the polarization angles, at least one of differences in the polarization angles of the adjacent polarizing filters is different from the others.
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公开(公告)号：US20220239850A1
公开(公告)日：2022-07-28
申请号：US17721330
申请日：2022-04-14
申请人： FUJIFILM Corporation
摘要： Provided are an imaging device which can simultaneously capture images in different wavelength ranges and can improve a focusing accuracy of each image, an imaging optical system, and an imaging method. An imaging device (1) includes an imaging optical system (10) which has a first pupil region for passing light in a first wavelength range and a second pupil region for passing light in a second wavelength range, in which an axial chromatic aberration of the imaging optical system (10) is reduced based on a relationship between an aberration other than the axial chromatic aberration of the imaging optical system (10) and positions of the first pupil region and the second pupil region in the imaging optical system (10), an imaging element (100) which includes a first pixel receiving the light passing through the first pupil region in the imaging optical system (10) and a second pixel receiving the light passing through the second pupil region in the imaging optical system (10), and a signal processing unit (200) which processes a signal output from the imaging element (100), and generates each of a first image of the first wavelength range and a second image of the second wavelength range based on an output signal of the first pixel and an output signal of the second pixel.
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公开(公告)号：US20220236463A1
公开(公告)日：2022-07-28
申请号：US17721332
申请日：2022-04-14
申请人： FUJIFILM Corporation
摘要： One embodiment according to the technology of the present disclosure provides an optical element, an optical device, and an imaging apparatus, which can acquire a multispectral image having a good image quality. An optical element according to one aspect of the present invention includes: a frame having a plurality of aperture regions; and a plurality of optical filters that are mounted in the plurality of aperture regions, the plurality of optical filters including at least two types of filters having different wavelength ranges of transmitted light, and centroids of at least two types of aperture regions coincide with each other.
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公开(公告)号：US20200257075A1
公开(公告)日：2020-08-13
申请号：US16861867
申请日：2020-04-29
申请人： FUJIFILM Corporation
IPC分类号： G02B7/04
摘要： The lens holding frame is accommodated in the outer tube and is movable with respect to the outer tube in an optical axis direction (OAD) parallel to an optical axis of a lens optical system. The intermediate holding frame is a flexible frame body that constitutes the lens holding frame, is formed of a flexible material, and has a tubular shape. The intermediate holding frame is integrally provided with beam structures as abutments. The beam structures abut onto an inner circumferential surface of the outer tube in a state of being elastically deformed such that a restoring force is generated and prevent vibration caused by a gap between an outer circumferential surface of the lens holding frame and an inner circumferential surface of the outer tube.
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