Provided are a lens device, an imaging apparatus, an optical member, an imaging method, and an imaging program that are used to acquire multispectral images having a good image quality. According to one aspect, a lens device includes: an imaging optical system that includes a lens forming an optical image of a subject; and an optical member that is disposed near a pupil of the imaging optical system in a state where an optical axis of the optical member coincides with an optical axis of the imaging optical system, and includes a frame that includes a plurality of aperture regions, a plurality of optical filters that are disposed in at least one of the plurality of aperture regions and include two or more optical filters transmitting light having at least some wavelength ranges different from each other, and a plurality of polarizing filters that are disposed in at least one of the plurality of aperture regions and have different polarization directions. The amount of light emitted from the imaging optical system is changeable in the plurality of aperture regions.

Provided are a lens device, an imaging apparatus, an optical member, an imaging method, and an imaging program that are used to acquire multispectral images having a good image quality. According to one aspect, a lens device includes: an imaging optical system that includes a lens forming an optical image of a subject; and an optical member that is disposed near a pupil of the imaging optical system in a state where an optical axis of the optical member coincides with an optical axis of the imaging optical system, and includes a frame that includes a plurality of aperture regions, a plurality of optical filters that are disposed in at least one of the plurality of aperture regions and include two or more optical filters transmitting light having at least some wavelength ranges different from each other, and a plurality of polarizing filters that are disposed in at least one of the plurality of aperture regions and have different polarization directions. The amount of light emitted from the imaging optical system is changeable in the plurality of aperture regions.

A camera module includes a lens module including at least one lens, a housing configured to accommodate the lens module, a first reflection module disposed in front of the lens module, a second reflection module disposed behind the lens module, an image sensor module configured to receive light reflected from the second reflection module, and a light-blocking structure, disposed in the housing between the second reflection module and the image sensor module, including an aperture configured to pass light and an infrared cutoff filter disposed to cover the aperture.

Electronic apparatuses with suppressed deterioration image quality and reduced bezel width are disclosed. In one example, an electronic apparatus includes a display unit, imaging optical systems, and an image acquisition unit. The display unit has a displayable region that includes display optical systems disposed in an array in a first direction and a second direction intersecting the first direction. The imaging optical systems are disposed on a side opposite to a display surface of the display unit and overlapped with the displayable region in a third direction intersecting the first direction and the second direction, and include first and second imaging optical systems with different coordinates in at least one of the first direction and the second direction. The image acquisition unit acquires image data on the basis of information acquired by the first imaging optical system and the second imaging optical system.

There is provided a light modulating element including a plurality of compounds whose light absorption characteristics change with external simulation. The plurality of compounds are compounds having different absorption wavelengths. The light modulating element has a variable transmittance VT(λ) obtained by combining light absorption characteristics of the plurality of compounds. NWD.sub.Max<NWD.sub.MaxFP is satisfied.

The present technology relates to an imaging apparatus, a manufacturing apparatus, a manufacturing method, and an electronic appliance that contribute to miniaturization and thinning of an imaging apparatus. Provided is an imaging apparatus including a first circuit board in which an imaging element is mounted on a center portion, a component that is mounted on an outer circumference portion of the center portion of the first circuit board, and a member that incorporates the component and is provided in the outer circumference portion and is formed by a mold method. The imaging apparatus further includes a lens barrel that holds a lens, in which a frame that supports a portion including the lens barrel is located on the member. Further, the frame includes an infra red cut filter (IRCF). The present technology can be applied to an imaging apparatus.

An optical filter comprises at least one optical member that transmits light, wherein a first optical film that reflects at least one of light in a longer wavelength band than a first wavelength and light in a shorter wavelength band than a second wavelength is formed on a first surface, and a second optical film that reflects at least one of light in a longer wavelength band than a third wavelength and light in a shorter wavelength band than a fourth wavelength is formed on a second surface, the second surface being different from the first surface, and the first wavelength and the third wavelength are different from each other by a first predetermined amount, and the second wavelength and the fourth wavelength are different from each other by a second predetermined amount.

An optical filter comprises at least one optical member that transmits light, wherein a first optical film that reflects at least one of light in a longer wavelength band than a first wavelength and light in a shorter wavelength band than a second wavelength is formed on a first surface, and a second optical film that reflects at least one of light in a longer wavelength band than a third wavelength and light in a shorter wavelength band than a fourth wavelength is formed on a second surface, the second surface being different from the first surface, and the first wavelength and the third wavelength are different from each other by a first predetermined amount, and the second wavelength and the fourth wavelength are different from each other by a second predetermined amount.

An illuminator apparatus and method for illuminating an object field imaged by a rectangular image sensor having a first aspect ratio is disclosed. The apparatus includes an optical fiber having a proximal end disposed to receive a plurality of input light beams, each light beam having differing spectral properties, the optical fiber being operable to transmit the light beams along the fiber to a distal end of the optical fiber. The apparatus also includes an integrating element disposed to receive the light beams from the distal end of the fiber and combine the light beams to produce a generally homogenous illumination beam at a rectangular output face of the integrating element. The apparatus further includes an illumination projector operable to project an image of the output face of the integrating element into the object field to produce a generally rectangular illuminated region of the object field substantially corresponding to the portion of the object field imaged by the rectangular image sensor.

An illuminator apparatus and method for illuminating an object field imaged by a rectangular image sensor having a first aspect ratio is disclosed. The apparatus includes an optical fiber having a proximal end disposed to receive a plurality of input light beams, each light beam having differing spectral properties, the optical fiber being operable to transmit the light beams along the fiber to a distal end of the optical fiber. The apparatus also includes an integrating element disposed to receive the light beams from the distal end of the fiber and combine the light beams to produce a generally homogenous illumination beam at a rectangular output face of the integrating element. The apparatus further includes an illumination projector operable to project an image of the output face of the integrating element into the object field to produce a generally rectangular illuminated region of the object field substantially corresponding to the portion of the object field imaged by the rectangular image sensor.