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  2. Flash (photography) - Wikipedia

    en.wikipedia.org/wiki/Flash_(photography)

    An adapter was available allowing the bulb to fit into flash guns made for bayonet-capped bulbs. The PF1 (along with the M2) had a faster ignition time (less delay between shutter contact and peak output), so it could be used with X synch below 1 ⁄ 30 of a second—while most bulbs require a shutter speed of 1 ⁄ 15 on X synch to keep the ...

  3. Picture frame - Wikipedia

    en.wikipedia.org/wiki/Picture_frame

    View of a frame-maker's workshop, oil on canvas, circa 1900 The elaborate decoration on this frame may be made by adhering molded plaster pieces to the wood base.. A picture frame is a container that borders the perimeter of a picture, and is used for the protection, display, and visual appreciation of objects and imagery such as photographs, canvas paintings, drawings and prints, posters ...

  4. Lightbox - Wikipedia

    en.wikipedia.org/wiki/Lightbox

    When laid flat, it may be called a light table. Generally, a lightbox uses light similar to daylight (5,000–6,000 kelvins (K)) and has uniform light strength on the glass pane. [3] In the form of vertical panels, they can also be found mounted on the walls of hospitals and medical offices to review X-ray images (X-ray illuminator). [4]

  5. Photoflood - Wikipedia

    en.wikipedia.org/wiki/Photoflood

    Photoflood lamps are a type of incandescent light bulb designed for use as a continuous light source for photographic lighting. [1] The filaments of such lamps are operated at much higher temperatures than is the case for standard, general lighting service lamps. The result is a brilliance of light much higher than the lamp's wattage rating ...

  6. Computer graphics lighting - Wikipedia

    en.wikipedia.org/wiki/Computer_graphics_lighting

    The Phong model assumes that the intensity of each pixel is the sum of the intensity due to diffuse, specular, and ambient lighting. [17] This model takes into account the location of a viewer to determine specular light using the angle of light reflecting off an object. [18]

  7. Lite-Brite - Wikipedia

    en.wikipedia.org/wiki/Lite-Brite

    Lite-Brite is a toy that was originally marketed in 1967. It consists of a light box with small colored plastic pegs that fit into a panel and illuminate to create a lit picture, by either using one of the included templates or creating a "freeform" image on a blank sheet of black paper.