Systems and methods for controlling stray light reflections are provided. An optical system includes an aperture having an optical axis passing therethrough, one or more optical elements disposed along an optical path, and a detector disposed along the optical path. The system further includes an optical housing disposed between the aperture and the detector. The interior surface of the optical housing includes a predetermined surface feature adapted to control reflections of stray light along the optical path between the aperture and the detector. A method of fabricating an optical housing includes forming a pattern comprising a predetermined surface feature on an interior surface of the optical housing. The predetermined surface feature is configured to control reflections of stray light along an optical path between an aperture at a proximal end of the optical housing and a detector at a distal end of the optical housing.

A matte box assembly has a body that allows an optical filter to be installed at the frontmost portion of the body. The matte box assembly has a lens coupler that can couple the body to a lens without causing damage to the lens. The matte box assembly has a flag that can pivot against the body to shield light from a desired direction. The matte box assembly provides various attachment points for accessories.

Provided is an optical filter used for an imaging apparatus having a built-in image sensing device. The optical filter includes an optical filter body arranged between the subject or the light source and the image sensing device, and having a transmission property for the incident light, and a light shielding film arranged on at least one surface of the optical filter body with a predetermined pattern shielding a part of the incident light. The optical filter body has a transparent substrate, and a first fine uneven structure suppressing reflection of light is provided on at least one interface between the transparent substrate and the light shielding film.

Information on posture data that can be used for processing on a frame basis can be acquired for moving image data to be captured. For the purpose, in an imaging apparatus including an imaging unit that captures an image by an optical system to generate image data, a posture data generation unit that generates posture data of a casing including the imaging unit at a timing corresponding to the image data, a notification unit that performs notification for correlating the image data with the posture data on the basis of a trigger, and a detector that detects the notification by the notification unit are provided.

The present disclosure provides a mobile terminal, including: one or more camera components located inside the mobile terminal, wherein each of the camera components comprises a lens having a circular viewing angle, the camera component has a field of view, and the field of view is within the circular viewing angle; and a sheet that covers the camera component, wherein the sheet comprises a light-transmitting region and a light-shielding region, the light-shielding region surrounds the light-transmitting region, and the field of view intersects with the sheet to form intersections located in the light-transmitting region; the light-transmitting region comprises edge contour lines comprising first straight line segments and first arc line segments connected to each other, the first straight line segments are located in a circle in which the first arc line segments are located, and first straight line segments are partially or entirely located in the circular viewing angle.

An illumination apparatus includes: a light-guiding portion including a light-introducing opening through which light is introduced from a light-emitting portion of an image pickup apparatus, a reflective surface that reflects light introduced from the light-introducing opening toward an image pickup optical axis of the image pickup apparatus, and a diffusion portion that diffuses the light reflected by the reflective surface toward an object as diffused light; and a reflective body including an opening portion allowing an image pickup opening of the image pickup apparatus to be exposed, and a reflective portion provided around the opening portion and including a reflective surface formed to expand from the opening portion toward the object, wherein the diffusion portion is disposed at a part of the reflective portion and the reflective body includes a wall portion extending to the object side at a boundary between the opening portion and the diffusion portion.

A heating device for off-vehicle information acquisition means, which has high heating efficiency, which is thin, and which has a high degree of freedom for layout of a heating element is provided. A heating device (100), which is arranged inside a vehicle, heats a window glass portion (Wa) located in an information acquisition path (5) of an off-vehicle information acquisition means (50) for acquiring information outside the vehicle. The heating device (100) comprises a hood (10) provided inside the vehicle below the information acquisition path (5) of the off-vehicle information acquisition means (50) and a heating element (20) provided on the surface of the hood (10) or inside the hood (10) and having a PTC heater layer (21).

An imaging apparatus includes: a wiring board; an imaging unit with an imaging element implemented on the wiring board; a frame-like housing that accommodates the imaging unit and that has an opening formed thereon in an optical axis direction of the imaging unit; a top cover located on the housing; a light source that emits light to be sent to outside via the top cover; a light guide body that guides the light emitted from the light source; and a light blocking body that blocks light around the imaging unit, wherein the imaging unit, the light guide body, and the light blocking body are disposed with a gap between the top cover, and the housing includes a top-cover supporting unit, at least a portion of which supports the top cover at a periphery of the opening.

A light-shielding sheet includes a base defining a first through hole and a second through hole. The first through hole and the second through hole are arranged coaxially in the base. A diameter of the first through hole is smaller than a diameter of the second through hole. The base is provided with a light-shielding coating covering an inner wall of the first through hole and the second through hole. When an incident light angle θ is between 45° and 55°, a following relationship is satisfied: 0.01≤W≤0.02; 3≤D≤3.5; 0.0122≤W/sinθ≤0.0283. W denotes a thickness of the base W, and D denotes the diameter of the first through hole.

An image capturing apparatus and an electronic device are provided. The image capturing apparatus includes: a light-transmitting cover plate, a light source component, a sensor component, and a lens disposed between the light source component and the sensor component. A preset angle is formed between a central axis of the lens and a normal of the light source component. A light generated by the light source component is transmitted through the light-transmitting cover plate, and then is scattered by the object to be captured, and the scattered light is focused by the lens to the sensor component. The light source component is disposed outside of a depth of field of the lens, and the object to be captured is disposed within the depth of field of the lens.