Abstract: Described herein are loupes shields. The shields can be easily attached to the loupes. The loupes shield is composed of a single filter that blocks harmful light. Additionally, the loupes shield includes a connector that permits the loupes shield to be attached to the loupes lens or housing that holds the loupes lens. The loupes shields described are useful in applications where it is desirable to protect the user from being exposed to damaging light. The loupes shields are useful in dental applications such as, for example, dental restorations, where light cure is required to cure the resin applied to a tooth during a dental restoration.

Abstract: A lighting device with an annular rectangular light that connects to the camera assembly by mechanical linkages. The annular rectangular light can connect to different components of a camera. The annular rectangular light can connect to a matte box or rods of the camera in some embodiments. The mechanical linkages allow positioning of the annular rectangular light such that it surrounds the front of a lens of the camera but does not obstruct a field of view of the lens.

Abstract: The present invention relates to a surface-mounted light and/or camera (1) for arrangement on a wall (5), in particular an inside wall of a machine, having a housing (10) with a front side area (12), a rear side area (14) and side walls (13), at least one illuminant (50) and/or at least one camera (60), with at least one recess (20) being provided in the rear side area (14), in which at least one fastening means (30) is arranged, wherein the fastening means (30) in the recess (20) forms a trap which is beveled towards the rear side area (14). The present invention also relates to a connecting pin (2) for fastening the surface-mounted light and/or camera (1) to a wall (5) and a surface-mounted light and/or surface-mounted camera fastening system (3).

Abstract: A system for verifying a user operating an Automated Teller Machine (ATM) sends an authentication media item to a user device associated with the user when the ATM receives a transaction request. The system receives, from the ATM, a first image of the authentication media item when the authentication media item is presented to the ATM. The system compares the first image of the authentication media item with a second image of the authentication media item stored in a user profile associated with the user. The system extracts a first unique code from the first image of the authentication media item, and a second unique code from the second image of the authentication media item. The system determines whether the first unique code corresponds to the second unique code. The system approves the transaction request if it is determined that the first unique code corresponds to the second unique code.

Abstract: The present disclosure provides a lighting apparatus and method of using the same. The lighting apparatus has a base having a bottom and at least one sidewall, the base having a hollow center, the hollow center being dimensioned for a camera lens, a ribbon of light emitting didoes (LEDs) affixed to the base, wherein the ribbon of LEDs are parallel the sidewall and configured for color temperature between approximately two thousand seven hundred degrees and six thousand degrees, a lens cover coupled to the sidewall of the base, wherein opaque lens is coupled to the sidewall modularly such that a no tooling is required.

Abstract: This application provides a lighting accessory and a photographic lamp. The lighting accessory includes a light-transmission member, a light-shielding member and a connection assembly. The light-transmission member and the light-shielding member are both in a shape of a hollow cylinder. The light-transmission member includes a cylindrical first light-transmission surface and a flat second light-transmission surface blocked at one end of the first light-transmission surface. An inner cavity of the hollow cylinder of the light-transmission member is configured to accommodate a lamp body. The light-shielding member is arranged round an outer side of the first light-transmission surface and is spaced from the first light-transmission surface in a radial direction. The light-transmission member, the light-shielding member and the lamp body are connected through the connection assembly.

Abstract: A fixture for a lamp and to a lighting element are provided that is usable as a reading light, for example in a vehicle or aircraft. The fixture is adapted to be releasably installed in an opening of an accommodating element and includes a cylindrical mounting element having a lateral wall, a front side, and an opposite rear side. The front side has an opening for receiving the lamp. The lateral wall has a radially outwardly projecting rib and a radially outwardly projecting latching element.

Abstract: The present disclosure relates to an easily foldable soft box, a lighting device that softens and spread light over a wide area, that comes with a diffuser (diffusing cover) that can fold easily with one touch, making it easy to collapse (and expand) the device. The easily foldable soft box comprises: a speed ring having the shape of a ring that allows a light-producing device to be mounted at an opening in the center, whose front part is configured to fold in half or unfold; a plurality of ribs attached to the front part, that are arranged in a radiating pattern around the speed ring when the front part is unfolded, and that are gathered together as the ribs arranged within one range overlap the ribs arranged within another range when the front part is folded in half; and a diffuser that unfolds like an umbrella to diffuse light produced by the light-producing device when the ribs are arranged in a radiating pattern, and that is folded by the ribs when the front part is folded.

Abstract: A method and system provide an ophthalmic device. The ophthalmic device includes an ophthalmic lens having an anterior surface, a posterior surface, at least one diffractive structure and at least one base curvature. The at least one diffractive structure for provides a first spherical aberration for a first focus corresponding to at least a first focal length. The at least one base curvature provides a second spherical aberration for at least a second focus corresponding to at least a second focal length. The first spherical aberration and the second spherical aberration are provided such that the first focus has a first focus spherical aberration and the second focus has a second focus spherical aberration. The first focus spherical aberration is opposite in sign to the second focus spherical aberration.

Abstract: The present disclosure provides a lens and an illuminating device employing the same. The lens is an extendable lens, and includes a light incident surface, a light emitting surface, and a first reflecting surface and a second reflecting surface disposed on two sides of the light incident surface respectively. Light enters the lens from the light incident surface at least includes: a first part which is reflected by the second reflecting surface and then directly emits from the light emitting surface, and a second part which is reflected to the second reflecting surface by the first reflecting surface, reflected by the second reflecting surface, and then emits from the light emitting surface.

Abstract: A lighting fixture is provided in a lighting field. The lighting fixture comprises: a housing assembly and a bottom case assembly. The housing assembly comprises a housing, a light-emitting cover, a reflector and a light source assembly. The housing at least includes a lower end face and a sidewall disposed by extending vertically from the lower end face, to provide a mounting space; and the lower end face is provided with an avoidance section and in communication with the mounting space. The light-emitting cover, the reflector and the light source assembly are sequentially superposed in the mounting space; the light-emitting cover is fixedly connected with the housing; and the light-emitting cover abuts against the lower end face and at least partially closes the avoidance section.

Abstract: A light-adjustment module for camera includes a light source unit and a light-adjustment unit. The light source unit includes light-emitting elements disposed around a lens of the camera, and the light-emitting direction of each light-emitting element is parallel to the image-capturing direction of the lens. The light-adjustment unit is disposed above the light source unit and includes secondary optical elements respectively corresponding to the light-emitting elements. Each secondary optical element includes a light-transmitting cover, and each light-emitting element is accommodated inside the corresponding light-transmitting cover. An inner wall of each light-transmitting cover includes a first light-guiding inclined surface and a second light-guiding inclined surface. A first slope of the first light-guiding inclined surface is different from a second slope of the second light-guiding inclined surface.

Abstract: A Fresnel lens with Fresnel prisms having a first facet, called the main facet, and a second facet, called the draft facet, the draft facet making a draft angle to the optical axis, the draft angle being variable along at least one Fresnel prism, so that the draft angle is higher on one side of the lens than on the other.

Abstract: A camera accessory mounting element includes attachment elements configured to mount to a component of a camera, such as a lens or a flash device. One or more peripheral devices may be attached to the camera accessory mounting element using attachment elements such as magnets. Peripheral devices include a grid, a light directing dish, a lens hood, a lens adaptor, a step-ring, a lens filter, a lens extension tubes, a light diffusers, a light filter, and a light directing device.

Abstract: A flash housing for photographic purposes is disclosed. The flash housing comprises a flash forming element arranged to generate a flash light and a lens element arranged to let at least part of the generated flash light out of the flash housing so as to obtain the flash. The obtainable flash light has a beam lobe with a controllable beam angle. A simulation light generator element is arranged for simulation of the obtainable flash light beam lobe having the controllable beam angle.

Abstract: A luminaire configured to emit light in different directions. The luminaire may include a frame and optical waveguides disposed in the frame and positioned at different angles relative to one another to direct light outward in multiple different directions. At least one LED may be associated with each optical waveguide. A shield may be associated with the frame and configured to reduce the light from being directed in one or more of the different directions.

Abstract: An ocular optical system configured to allow imaging rays from a display frame to enter an observer's eye through the ocular optical system to form an image is provided. The ocular optical system includes a lens element having an eye-side surface and a display-side surface. The lens element has an optical axis extending from a display side toward an eye side. The display-side surface of the lens element adopts a Fresnel lens design. The ocular optical system satisfies: 4.317?EFL/T1?12.463, where EFL represents an effective focal length of the ocular optical system, and T1 represents a thickness of the lens element on the optical axis.

Abstract: Implementations of the present disclosure generally relate to an improved lamphead assembly for use in a thermal processing chamber. In one implementation, a lamphead assembly comprises a lamp housing tube comprising a lamp disposed therein, the lamp housing tube having an open end facing towards the substrate support, and an insert tube disposed within the lamp housing tube, the insert tube surrounds at least a portion of the lamp and has a constant inner diameter throughout the entire length of the insert tube, wherein the insert tube collimates radiant energy from the lamp toward the substrate support. The insert tube comprises a cylindrical lower portion disposed adjacent to the open end of the lamp housing tube, and a tapered upper portion integrated with the cylindrical lower portion as one body.

Abstract: A method and system provide an ophthalmic device. The ophthalmic device includes an ophthalmic lens having an anterior surface, a posterior surface, at least one diffractive structure and at least one base curvature. The at least one diffractive structure for provides a first spherical aberration for a first focus corresponding to at least a first focal length. The at least one base curvature provides a second spherical aberration for at least a second focus corresponding to at least a second focal length. The first spherical aberration and the second spherical aberration are provided such that the first focus has a first focus spherical aberration and the second focus has a second focus spherical aberration. The first focus spherical aberration is opposite in sign to the second focus spherical aberration.

Abstract: A texture projecting light bulb includes an extended light source located within an integrator. The integrator includes at least one aperture configured to allow light to travel out of the interior of the integrator. In various embodiments, the interior of the integrator may be a diffusely reflective surface and the integrator may be configured to produce a uniform light distribution at the aperture to approximate a point source. The integrator may be surrounded by a light bulb enclosure. In various embodiments, the light bulb enclosure may include transparent and opaque regions configured to project a structured pattern of visible and/or infrared light.

Abstract: A flash system for an electronic device includes a ring-shaped light guide having a central opening. A camera lens is positioned in or behind the opening. A first light emittting diode (“LED”) is mounted on a printed circuit board (“PCB”), and the LED and PCB are encapsulated by a molded light guide of the flash system. An identical LED and PCB are encapsulated at an opposite end of the molded light guide (i.e., 180 degrees away). The back surfaces of each PCB diffusively reflects light from the LED on the other PCB. Light extraction features on the light guide surface uniformly leak out light from the LEDs. The light emission profile of the light guide has a peak axially aligned with the central opening of the light guide and rolls off to the edge of the camera's field of view.

Abstract: An ocular optical system configured to allow imaging rays from a display frame to enter an observer's eye through the ocular optical system to form an image is provided. The ocular optical system includes a lens element having an eye-side surface and a display-side surface. The lens element has an optical axis extending from a display side toward an eye side. The display-side surface of the lens element adopts a Fresnel lens design. The display-side has a plurality of effective sub-surfaces and a plurality of ineffective sub-surfaces. The effective sub-surfaces are configured to allow the image rays to form an image. Each ineffective sub-surface connects two adjacent effective sub-surfaces. The ocular optical system satisfies: 25.000°???52.000°, where ? represents a maximum tilting angle of the effective sub-surfaces relative to a reference plane perpendicular to the optical axis.

Abstract: A soft box with a smooth rod folding structure, comprising: brackets mounted on the edge of the speed ring at uniform intervals so as to couple the rods; a lever mounted by a first hinge part on the upper end of each of the brackets; a link connected to the lever by a second hinge part, which is provided to the lever so as to be located at the rear end side of the bracket at the same height as the first hinge part when the lever is fully lifted to the upper part of the bracket and moved to the side surface of the bracket when the lever is moved reversely; a rod support provided by a third hinge part at the lower end of the bracket.

Abstract: A light emitting device and light emitting module using the same are provided. The light emitting device includes a substrate, a light-emitting element provided on the substrate, and a light transmissive sealing member covering the light-emitting element on the substrate. The light transmissive sealing member includes a body portion and a lens portion that are sequentially disposed from a substrate side.

Abstract: The method for manufacturing an object comprises the steps of (a) providing a wafer comprising a multitude of semi-finished objects; (b) separating said wafer into parts referred to as sub-wafers, at least one of said sub-wafers comprising a plurality of said semi-finished objects; (c) processing at least a portion of said plurality of semi-finished objects by subjecting said at least one sub-wafer to at least one processing step; and preferably also the step of (d) separating said at least one sub-wafer into a plurality of parts.

Abstract: A thin flash module for a camera uses a flexible circuit as a support surface. A blue GaN-based flip chip LED die is mounted on the flex circuit. The LED die has a thick transparent substrate forming a “top” exit window so at least 40% of the light emitted from the die is side light. A phosphor layer conformally coats the die and a top surface of the flex circuit. A stamped reflector having a knife edge rectangular opening surrounds the die. Curved surfaces extending from the opening reflect the light from the side surfaces to form a generally rectangular beam. A generally rectangular lens is affixed to the top of the reflector. The lens has a generally rectangular convex surface extending toward the die, wherein a beam of light emitted from the lens has a generally rectangular shape corresponding to an aspect ratio of the camera's field of view.

Abstract: A light module for motor vehicles comprising two light sources and a light guide in which there is arranged a device for controlling the propagation of light in the light guide, in order make it possible to obtain original light effects at the outlet of the light guide.

Abstract: An illuminating device includes: first lenses individually corresponding to LEDs; a light control member including light transmission channels individually corresponding to the first lenses and a light blocker surrounding the light transmission channels; and second lenses individually corresponding to the light transmission channels. Each first lens includes a light concentrator for producing concentrated light by concentrating light emitted from a corresponding LED, and a reflector surrounding the light concentrator to produce reflected light by reflecting light emitted from the corresponding LED in a direction across the concentrated light. Each first lens outputs illumination light including the concentrated light and the reflected light produced from the corresponding light emitting diode. Each light transmission channel transmits the illumination light output from a corresponding first lens. The light blocker prevents transmission of the illumination light emitted from each first lens.

Abstract: A thin flash module for a camera uses a flexible circuit as a support surface. A blue GaN-based flip chip LED die is mounted on the flex circuit. The LED die has a thick transparent substrate forming a “top” exit window so at least 40% of the light emitted from the die is side light. A phosphor layer conformally coats the die and a top surface of the flex circuit. A stamped reflector having a knife edge rectangular opening surrounds the die. Curved surfaces extending from the opening reflect the light from the side surfaces to form a generally rectangular beam. A generally rectangular lens is affixed to the top of the reflector. The lens has a generally rectangular convex surface extending toward the die, wherein a beam of light emitted from the lens has a generally rectangular shape corresponding to an aspect ratio of the camera's field of view.

Abstract: An edge light device of the present disclosure creates edge light effects, such as spectral highlight or artistic effect, on a subject. The edge light device emits light to provide an illumination zone which can be generally out of the field of view of the camera. The edge light device includes a housing having features for controlling light to create edge light effects on a subject. In certain examples, the housing provides a light blocker for concentrating light toward the subject and blocking the light from illuminating the other areas, such as the camera, in the photography station. The housing further includes at least one aperture that cooperates with the light blocker and defines a light passage through which the light is directed toward the subject.

Abstract: A lens apparatus includes: an image pickup optical system; a holding frame that holds the image pickup optical system; and an illumination apparatus that is attached to an outer peripheral portion of an object side of the holding frame and applies light. The illumination apparatus includes light sources and a light guide member that causes internal reflection of light from the light sources so that the light propagates. The light guide member has an annular shape and has a light exit surface from which light is emitted toward an object side. A distance DL between two closest light sources in the light sources, an internal diameter D of the plurality of light guide member, and a distance WD from the light guide member to an object at a closest distance when the image pickup optical system is focused on the object at the closest distance are appropriately set respectively.

Abstract: A vehicle headlamp structure free of reflective internal elements includes a lens and a light source. The lens includes a light emitting surface, a bottom surface, and a connecting surface. The light emitting surface is flat and the bottom surface includes at least one depression in the bottom surface to form at least one light incident structure. The at least one light incident structure includes a first light incident surface. The connecting surface is composed of a plurality of curved surfaces each with a different radius of curvature. The light source is substantially accommodated within the light incident structure and emits light through the first light incident surface to form an elliptical beam.

Abstract: An ocular optical system configured to allow imaging rays from a display frame to enter an observer's eye through the ocular optical system to form an image is provided. The ocular optical system includes a lens element having an eye-side surface and a display-side surface. The lens element has an optical axis extending from a display side toward an eye side. The display-side surface of the lens element adopts a Fresnel lens design. The display-side has a plurality of effective sub-surfaces and a plurality of ineffective sub-surfaces. The effective sub-surfaces are configured to allow the image rays to form an image. Each ineffective sub-surface connects two adjacent effective sub-surfaces. The ocular optical system satisfies: 1.500?R1/SagI?4.000, where SagI is a total of lengths of orthogonal projections of the effective sub-surfaces respectively projected onto the optical axis, and R1 is a half of a clear aperture of the display-side surface.

Abstract: Module for emitting at least one light beam along an optical axis for automobile vehicles. The module includes at least a first and at least a second light sources, at least a first and at least a second optical collectors designed to collect the light emitted by the at least a first and the at least a second light sources, respectively, and for redirecting the light collected in convergent directions. At least one of the at least a first and the at least a second light sources is oriented in such a manner as to emit light in an overall direction of emission moving away from the optical axis. The collector associated with the or with said oriented light sources have at least partially an asymmetrical configuration elongating the collector along the optical axis.

Abstract: A camera accessory mounting element includes attachment elements configured to mount to a component of a camera, such as a lens or a flash device. One or more peripheral devices may be attached to the camera accessory mounting element using attachment elements such as magnets. Peripheral devices include a grid, a light directing dish, a lens hood, a lens adaptor, a step-ring, a lens filter, a lens extension tubes, a light diffusers, a light filter, and a light directing device.

Abstract: This invention is directed to mechanical and electromagnetic shielding features of an electronic device case. An electronic device case is formed of two housings, each housing having integrated snaps, channels, or other retaining features used to secure the housings together. The housings additionally include integrated retaining features used to secure electronic components within the device case. The housings and retaining features are formed of amorphous metals or other materials with high elasticities. Because the retaining features necessary to assemble the case and secure the electronic components to the case form integral parts of the housings, no external retaining features are required to assemble the electronic device in the case.

Abstract: An adjustable light fixture for photography that is versatile in mobility and utility. The light fixture includes a light socket, a handle, an umbrella-mounting hole, a hot shoe mount, a stand adaptor, and a lockable pivot joint. The light socket receives a light bulb and includes a housing and an electrical interfacing cavity. The intermediate spar is adjacently connected to the housing to connect the handle to the light socket. The electrical interfacing cavity traverses into the housing, opposite the intermediate spar. The handle is adjacently and perpendicularly connected to the intermediate spar, opposite the housing. The umbrella-mounting hole traverses through the handle, oriented parallel to a main axis of the electrical interfacing cavity. The hot shoe mount is adjacently connected to the intermediate spar, opposite the handle. The stand adaptor is pivotably attached to the handle by the lockable pivot joint, opposite the intermediate spar.

Abstract: An illumination device includes at least one semiconductor light emitting element, a supporting base, and a lamp housing. The semiconductor light emitting element is disposed on the supporting base. The lamp housing is disposed on the supporting base to cover the semiconductor light emitting element, and includes a first illuminating part and a lateral illuminating part surrounding the first illuminating part. A micro-structure is formed on a side of the first illuminating part and facing the semiconductor light emitting element for reflecting the light emitted from the semiconductor light emitting element.

Abstract: A light source unit includes a light source configured to emit a light, a first case including a first groove configured to receive the light source therein, a first sealing member disposed in the first groove and covering the light source, a second case disposed on the first case and including a first opening portion overlapping with the first groove, and a quantum dot member disposed between the first case and the second case and including a light conversion area configured to convert the light to a white light and a defect area surrounding the light conversion area. The first opening portion is disposed through the second case, a portion of the light conversion area overlaps with the first opening portion and the first groove, and the light source unit is configured such that the white light exits therefrom through the first opening portion.

Abstract: A lens apparatus includes an image pickup optical system; a holding frame to hold the image pickup optical system; and an illumination device that is mounted on outer peripheral portion of an object side of holding frame, and is configured to radiate light, in which the illumination device includes: a light guide member that has a circular optical path in which light is subjected to internal reflection to propagate, and a light emitting surface for emitting light to object side; and a light source that is arranged such that a normal direction of a light emitting surface of the light source faces a tangential direction of a circle of light guide member, and is configured to emit light entering the light guide member. The arrangements and shapes of holding frame, light guide member, and lens closest to object side of image pickup optical system are each appropriately set.

Abstract: An optical assembly for an LED light system with a LED light source is provided to control a light pattern of a light beam produced by the system, such as for spot or narrow flood light applications. The optical assembly includes a conical reflector with an interior reflective surface, a light diffuser and an optic holder. The light diffuser has an annular disk-shape with a central opening. The optic holder is mounted to a narrow open top of the reflector, and suspends the light diffuser inside of the reflector along an optical axis. The light diffuser is a cost-efficient optical element, which can be used in combination with the reflector to redistribute light in the system in order to soften a peripheral light area surrounding a center beam light area of the light pattern of the light beam, and reduce a harsh edge between the center beam and peripheral light areas.

Abstract: A lens, which is adapted to control distribution of light emitted by a light source, includes a curved light-projecting surface distal from the light source, and a light-incident surface opposite to the light-projecting surface. The light-incident surface includes a plurality of curved sections facing the light source, and a plurality of connecting sections. Each of the connecting sections interconnects two adjacent ones of the curved sections, and has opposite first and second connection sides that are respectively connected to the two adjacent ones of the curved sections. A distance between the first connection side and the light source is not equal to a distance between the second connection side and the light source.

Abstract: A light guide plate and a light source module are described. The light guide plate includes a main body, first stripe microstructures and second stripe microstructures. The main body includes a light incidence surface, a light-emitting surface and a light reflective surface opposite to the light-emitting surface. The light incidence surface is connected between the light-emitting surface and the light reflective surface. The light-emitting surface includes a first microstructure region and a second microstructure region arranged sequentially, and the first microstructure region is near the light incidence surface. The first stripe microstructures are disposed in the first microstructure region and extending along a direction from one side near the light incidence surface to the other side away from the light incidence surface. The second stripe microstructures are disposed in the second microstructure region along the direction.

Abstract: A light-emitting section (2) and a transparent member (1) which is arranged on a side of a surface (SUF2) of the light-emitting section (2) and exhibits transparency with respect to laser light (L) are provided, and the transparent member (1) includes a plurality of scattering microregions (MP) which isotropically scatter the laser light (L) passing therethrough and increase a light-emission spot size of the laser light (L).

Abstract: A master flash apparatus which emits light when an image capturing device outputs a synchronous light emission command after the image capturing device outputs a first light emission start command. The apparatus can perform wireless communication with a slave flash apparatus which emits light in response to a second light emission start command received from the master flash apparatus. A transmission unit transmits the second light emission start command to the slave flash apparatus when a predetermined time has elapsed after the image capturing device outputs the first light emission start command. A measurement unit measures a time from the output of the first light emission start command from the image capturing device to the output of the synchronous light emission command from the image capturing device. An adjustment unit adjusts the predetermined time based on the time measured by the measurement unit.

Abstract: A lens may include a light incident surface, a first light emergent surface and side surfaces joining the light incident surface and the first light emergent surface. The light incident surface defines a space for accommodating light sources. The side surface includes at least one total-internal reflection surface and at least one second light emergent surface, a first part of light passing through the light incident surface is refracted by the first light emergent surface and emerges to generate first emergent light, a second part of light passing through the light incident surface is reflected by the total-internal reflection surfaces to the first light emergent surface and is refracted by the first light emergent surface and emerges to generate second light emergent light, and a third part of light passing through the light incident surface is refracted by the second light emergent surfaces and emerges to generate third emergent light.

Abstract: A SMD type Fresnel LED micro flash light structure, which is adapted to a camera of a mobile phone, includes a housing, an array-type light source and a micro-cylindrical Fresnel lens. The housing has a bottom wall and a plurality of side walls, and defines a longitudinal direction and a width direction. The array-type light source is disposed on the bottom wall along the longitudinal direction. The micro-cylindrical Fresnel lens covers the housing, and includes a cylindrical plano-convex lens, and two teeth-shaped lens sections respectively arranged at two sides of the cylindrical plano-convex lens. Each teeth-shaped lens section has a plurality of bar teeth-shaped lenses. The cylindrical plano-convex lens and the bar teeth-shaped lenses are parallel to each other along the width direction. A central axis of the cylindrical plano-convex lens is corresponding to a central position of the array-type light source.

Abstract: The present disclosure describes embodiments of an optical system for use in a lighting device, e.g., replacements for MR/PAR/R directional lamps. In one embodiment, the optical system comprises optical elements (e.g., a lens element) with features that form light from a light source into a light beam. In one embodiment, the optical elements have a plurality of focus points, which do not all converge to a single focus point proximate the light source. Rather one or more of the focus points are spaced apart from the light source so the collective configuration of focus points causes the light beam to exhibit favorable characteristics.

Abstract: A method for automatic lighting system control, including: receiving a first light parameter value selection from a user account associated with the lighting system; controlling lighting elements of the lighting system to meet the first light parameter value; automatically determining a second light parameter value based on the first light parameter value and a user perception profile relating light parameter values with perceived light output values; and incrementally adjusting lighting element operation to meet the second light parameter value over a predetermined time period.

Abstract: An adapter configured to be coupled to a light diffuser, the adapter including a base comprising a bottom wall having an opening and a plurality of side walls extending from the bottom wall in a first direction, wherein the base is configured to accommodate a light diffuser; and a coupling portion extending from the base, the coupling portion having a protrusion extending therefrom in a second direction opposite to the first direction, the protrusion configured to couple the adapter to a light source assembly.