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  2. Light fixture - Wikipedia

    en.wikipedia.org/wiki/Light_fixture

    A light fixture (US English), light fitting (UK English), or luminaire is an electrical lighting device containing one or more light sources, such as lamps, and all the accessory components required for its operation to provide illumination to the environment. [1] All light fixtures have a fixture body and one or more lamps.

  3. Landscape lighting - Wikipedia

    en.wikipedia.org/wiki/Landscape_lighting

    Conventionally generated and sourced electricity remains the most used source for landscape lighting in the early twenty-first century. With the combination of increasing demand for more efficient lighting, increasing availability of sustainable designs, global warming considerations, and aesthetic and safety concerns in garden and landscape design the methods and equipment of outdoor ...

  4. Lighting - Wikipedia

    en.wikipedia.org/wiki/Lighting

    An important property of light fixtures is the luminous efficacy or wall-plug efficiency, meaning the amount of usable light emanating from the fixture per used energy, usually measured in lumen per watt. A fixture using replaceable light sources can also have its efficiency quoted as the percentage of light passed from the "bulb" to the ...

  5. Fill light - Wikipedia

    en.wikipedia.org/wiki/Fill_light

    A common artificial lighting strategy that creates an overall appearance similar to natural fill places the fill light on the lens axis so that it will appear to cast few if any shadows from the point of view of the camera, which allows the key light that overlaps it to create the illusion of 3D in a 2D photo with the same single-source ...

  6. Light field camera - Wikipedia

    en.wikipedia.org/wiki/Light_field_camera

    Lytro Illum 2nd generation light field camera Front and back of a Lytro, the first consumer light field camera, showing the front lens and LCD touchscreen. A light field camera, also known as a plenoptic camera, is a camera that captures information about the light field emanating from a scene; that is, the intensity of light in a scene, and also the precise direction that the light rays are ...

  7. Motion detector - Wikipedia

    en.wikipedia.org/wiki/Motion_detector

    A motion detector attached to an outdoor, automatic light. A motion detector is an electrical device that utilizes a sensor to detect nearby motion (motion detection).Such a device is often integrated as a component of a system that automatically performs a task or alerts a user of motion in an area.

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