A lens module includes a circuit board, a base mounted on the circuit board, and at least one electronic component mounted on the circuit board. The base comprises a first surface and a second surface facing away from the first surface. The second surface is mounted on the circuit board. The base further comprises at least one first hole passing through the first surface and the second surface. The at least one electronic component is received in the at least one first hole. The lens module further comprises a filling layer in each of the at least one first hole and located on a side of the at least one electronic component facing away from the circuit board. The disclosure also provides an electronic device having the lens module.

An angular filter for an image sensor includes opaque resin patterns at least partially covered with a first humidity-tight layer.

A lens device and an imaging apparatus that can emit illumination light coaxial with a lens optical system are proposed herein. A lens device includes an optical system that includes a first lens and a second lens forming an optical image of a subject; a first optical member that includes a frame that includes a plurality of aperture regions, a plurality of optical filters that include two or more optical filters transmitting lights having at least some wavelength ranges different from each other, and a plurality of polarizing filters that have different polarization directions; and a second optical member that is provided outside the optical system and closer to a subject side than the first optical member and emits illumination light, which is incident from the outside of the optical system, to the subject side via the optical system.

A lens device and an imaging apparatus that can emit illumination light coaxial with a lens optical system are proposed herein. A lens device includes an optical system that includes a first lens and a second lens forming an optical image of a subject; a first optical member that includes a frame that includes a plurality of aperture regions, a plurality of optical filters that include two or more optical filters transmitting lights having at least some wavelength ranges different from each other, and a plurality of polarizing filters that have different polarization directions; and a second optical member that is provided outside the optical system and closer to a subject side than the first optical member and emits illumination light, which is incident from the outside of the optical system, to the subject side via the optical system.

There are provided a lens device, an imaging apparatus, and an imaging method that suppress the occurrence of overexposure by dimming or blocking totally reflected light. The lens device (100) includes: an optical system (100A); a wavelength polarizing filter unit (130) that is disposed at a pupil position of the optical system (100A) or near the pupil position and includes a plurality of aperture regions, a plurality of optical filters that are disposed in the plurality of aperture regions and include two or more optical filters transmitting lights having a part of wavelength ranges different from each other, and a plurality of first polarizing filters that are disposed in the plurality of aperture regions and are at least two first polarizing filters having polarization directions different from each other; and a first circularly polarizing optical element (101) that is provided between a subject and the wavelength polarizing filter unit.

The present disclosure provides an organic compound represented by general formula [1] below.

##STR00001##

In formula [1], Ar.sub.1 and Ar.sub.2 each represent an alkyl group having 1 to 8 carbon atoms, an aromatic hydrocarbon group having 6 to 18 carbon atoms, or a heteroaromatic group having 3 to 17 carbon atoms. Ar.sub.1 and Ar.sub.2 may be the same or different. Ar.sub.3 and Ar.sub.4 are each a substituent having a carbazolyl group. Ar.sub.3 and Ar.sub.4 may be the same or different. Ar.sub.1 to Ar.sub.4 may be substituted. At least one of Ar.sub.1 to Ar.sub.4 has a tert-butyl group. The total number of tert-butyl groups in one molecule of the organic compound is 2 or more.

According to one embodiment, an electronic apparatus includes a camera, a first polarizer, a second polarizer, a liquid crystal panel, and a controller controlling the liquid crystal panel. The liquid crystal panel includes a first region and a second region. The controller controls a first opening mode of transmitting light through the first region and the second region, and a second opening mode of making a quantity of light transmitted through the first region smaller than a quantity of light transmitted through the second region.

An optical filter (1a) includes a UV-IR-absorbing layer and has the following characteristics (i) to (v) when light with wavelengths of 300 nm to 1200 nm is incident at an incident angle of 0°: (i) an average transmittance of 78% or more in the wavelength range of 450 nm to 600 nm; (ii) a spectral transmittance of 1% or less in the wavelength range of 750 nm to 1080 nm; (iii) a spectral transmittance of 1% or less in the wavelength range of 300 nm to 350 nm; (iv) a decreasing spectral transmittance with increasing wavelength in the wavelength range of 600 nm to 750 nm and a first IR cut-off wavelength in the wavelength range of 620 nm to 680 nm; and (v) an increasing spectral transmittance with increasing wavelength in the wavelength range of 350 nm to 450 nm and a first UV cut-off wavelength in the wavelength range of 380 nm to 430 nm.

The present disclosure relates to a filter unit, a filter selection method, and an imaging device that allow continuously changing a transmittance of an ND filter and switching between filters to be performed more easily. A disk provided with a plurality of filters including an ND filter having a continuously variable transmittance is rotated to cause a filter corresponding to a rotational orientation of the disk among the plurality of filters provided on the disk to be arranged on an optical axis of incident light toward an image sensor. The present disclosure can be applied to, for example, a filter unit, an imaging device, electronic equipment, a filter selection method, a program, or the like.

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.