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  2. Flash (photography) - Wikipedia

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

    In professional studio equipment, flashes may be large, standalone units, or studio strobes, powered by special battery packs or connected to mains power. They are either synchronized with the camera using a flash synchronization cable or radio signal, or are light-triggered, meaning that only one flash unit needs to be synchronized with the ...

  3. 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.

  4. 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 ...

  5. Ilford Manual of Photography - Wikipedia

    en.wikipedia.org/wiki/Ilford_Manual_of_Photography

    The Ilford Manual quickly became the staple technical book for the professional or serious amateur photographer. It remained so for some time, and with each new edition further information was added so that it might remain relevant. The ninth edition was the first to include chapters on the newly emerging field of digital photography. The tenth ...

  6. Guide number - Wikipedia

    en.wikipedia.org/wiki/Guide_number

    Definition: In the context of photography, is the measure of the total energy, or quantity, of eye-adjusted visible light that impinged upon a unit area over a specified period of time. In common vernacular, it is the product the brightness of light measured at the surface of a photographic subject times the duration of that light.

  7. Single-lens reflex camera - Wikipedia

    en.wikipedia.org/wiki/Single-lens_reflex_camera

    These pellicle mirrors reduce the amount of light travelling to the film plane or sensor and also can distort the light passing through them, resulting in a less-sharp image. To avoid the noise and vibration, many professional cameras offer a mirror lock-up feature, however, this feature totally disables the SLR's automatic focusing ability ...

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