An object of the present invention is to provide a solid-state image capture element optical filter having excellent visible light transmission characteristics with reduced incidence angle dependence even in the near-ultraviolet wavelength region, in which the defects of conventional optical filters such as near-infrared cut filters are improved; and a device comprising the optical filter. The solid-state image capture element optical filter of the present invention comprises: a transparent resin substrate comprising a compound (X) having an absorption maximum in a wavelength range of 300 to 420 nm and a compound (Y) having an absorption maximum in a wavelength range of 600 to 800 nm; and a near infrared-reflecting film on at least one side of the substrate.

Light management film constructions contain a first optical film having a first major surface and a second major surface opposite the first major surface. The first major surface is a microstructured surface with asymmetrical structures. The asymmetrical structures form an ordered arrangement of a plurality of multi-sided refractive prisms, with the multi-sided refractive prisms having a cross section of 3 or greater sides. A second optical film contacts and is bonded to substantially all of the structures of the first major structured surface of the first optical film. The light management constructions can be incorporated into optical articles such as windows.

An optical film includes a polymeric bandstop filter reflecting a band of blue light in a range from 440 nm to 480 nm a polymeric bandstop filter reflecting a band of blue light in a range from 440 nm to 480 nm and transmitting greater than 50% of blue light at a wavelength of 10 nm longer than a long wavelength band edge and at a wavelength of 10 nm shorter than a short wavelength band edge.

This optical device comprises an ophthalmic lens and a light source emitting in the deep red and near infrared region. The ophthalmic lens has front and rear faces coated with interferential coatings. The mean reflectance of the rear interferential coating is lower than or equal to 2.5% for wavelengths ranging from 700 nm to a predetermined maximum wavelength lower than or equal to 2500 nm, at an angle of incidence lower than or equal to 45°. At an angle of incidence lower than or equal to 45°, for wavelengths ranging from 700 nm to the predetermined maximum wavelength, the mean reflectance of the front interferential coating is either lower than or equal to 2.5% if the source is directed towards the front face of the ophthalmic lens, or higher than or equal to 25% if the source is directed towards the rear face of the ophthalmic lens.

A method for determining a distance between an image sensor and an object includes acquiring a first image for an object and a second image distinguished from the first image, using a cut-off filter for cutting off one of R G and B signals, and determining a distance between the image sensor and the object.

An optical element includes a substrate, and a multilayer film provided on the substrate. The multilayer film has an average transmittance of 75% or higher for light having a wavelength of 470 nm to 630 nm incident at an incident angle of 0° and a transmittance of 10% or lower for light having a wavelength of 1550 nm incident at an incident angle of 0°. The multilayer film includes a layer made of a first material and a layer made of a second material alternately layered, and a final layer made of a third material disposed on an outermost side, and a predetermined condition is satisfied.

Infrared reflecting substrate includes, on a transparent film base, an infrared reflecting layer mainly made of silver and a light absorptive metal layer in this order. The light absorptive metal layer has a thickness of 15 nm or less, and a transparent protective layer has a thickness of 10 nm to 120 nm. The distance between the light absorptive metal layer and the transparent protective layer is 25 nm or less.

An optical filter may include a first group of layers. The first group of layers may include alternating layers of a first dielectric material, of a group of dielectric materials, and a second dielectric material of the group of dielectric materials. The optical filter may include a second group of layers. The second group of layers may include alternating layers of a third dielectric material, of the group of dielectric materials, and a fourth dielectric material of the group of dielectric materials. The optical filter may include a third group of layers. The third group of layers may include alternating layers of a fifth dielectric material, of the group of dielectric materials, a sixth dielectric material, of the group of dielectric materials, and a metal material. The third group of layers may be disposed between the first group of layers and the second group of layers.

An optical lens assembly includes at least two optical lens elements. At least one of the optical lens elements includes a long wavelength absorbing material, the optical lens element including the long wavelength absorbing material is made of a plastic material, and the long wavelength absorbing material is evenly mixed with the plastic material. At least one of the optical lens elements includes a long wavelength filter coating, the optical lens element including the long wavelength filter coating is made of a plastic material, and the long wavelength filter coating is arranged on an object-side surface or an image-side surface of the optical lens element. The long wavelength filter coating includes a plurality of high refractive index coating layers and a plurality of low refractive index coating layers, and the high refractive index coating layers and the low refractive index coating layers are stacked in alternations.

Disclosed is a user wearable optical article including an optical substrate and an interferential coating. The interferential coating may be disposed the substrate and may be configured to selectively reflect light of at least one range of wavelengths of an incident light in the near infrared light spectrum. A peak reflectance measured at a substantially normal to the optical article may be at least 70%. An eyewear including an optical article and a method for producing an optical article are also disclosed. The method may include providing the optical substrate and providing the interferential coating disposed on the optical substrate. The interferential coating may selectively reflect light of at least one range of wavelengths of an incident light in the near infrared light spectrum. A peak reflectance may be at least 70% and the interferential coating has a mean reflectance of less than 1.5% in a visible light range.