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2. Kliegl Brothers Universal Electric Stage Lighting Company

   en.wikipedia.org/wiki/Kliegl_Brothers_Universal...

   An illustration from Kliegl Brothers' 1922 catalog, depicting portable lighting equipment used at Lasky Hollywood Studios. Kliegl Brothers Universal Electric Stage Lighting Company was an American manufacturer of electrical stage lighting products in the 20th century. The company had a significant influence in the development of theatrical ...

3. Photoflash capacitor - Wikipedia

   en.wikipedia.org/wiki/Photoflash_capacitor

   The light energy emitted by a flash is supplied by the capacitor, and is proportional to the product of the capacitance and the voltage squared; photoflash capacitors may have capacitance in the range 80-240 microfarads (μF) and voltages from 180 to 330 volts for flash units built into small disposable and compact cameras, increasing for units ...

4. Flash-lamp - Wikipedia

   en.wikipedia.org/wiki/Flash-lamp

   My appliance comprises a tubular casing A, to be held in the hand, an upright detachable post B, and a horizontal through part C to receive the flash-light powder. The casing A is adapted to contain cells of dry battery, which can be introduced into or removed from the lower end through an opening closed by the sheet-metal screw-cap c.

5. Photographic lighting - Wikipedia

   en.wikipedia.org/wiki/Photographic_lighting

   Photographic lighting refers to how a light source, artificial or natural, illuminates the scene or subject that is photographed; put simply, it is lighting in regards to photography. Photographers can manipulate the positioning and the quality of a light source to create visual effects , potentially changing aspects of the photograph such as ...

6. High-intensity discharge lamp - Wikipedia

   en.wikipedia.org/wiki/High-intensity_discharge_lamp

   Brand new high-intensity discharge lamps make more visible light per unit of electric power consumed than fluorescent and incandescent lamps, since a greater proportion of their radiation is visible light in contrast to infrared. However, the lumen output of HID lighting can deteriorate by up to 70% over 10,000 burning hours.

7. Reflector (photography) - Wikipedia

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

   A portable folding reflector positioned to "bounce" sunlight onto a model. Reflectors vary enormously in size, colour, reflectivity and portability. In tabletop still life photography, small mirrors and card stock are used extensively, both to reduce lighting contrast and create highlights on reflective subjects such as glassware and jewelry.