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Sensitometry

Sensitometry is the scientific study of light-sensitive materials, especially photographic film. [1]

14 relations: Densitometry, Eastman Kodak, Exposure (photography), Ferdinand Hurter, Film speed, Hurter and Driffield, Josef Maria Eder, Julius Scheiner, Leon Warnerke, Photographic developer, Photographic film, Spectral sensitivity, Vero Charles Driffield, Zone System.

Densitometry

Densitometry is the quantitative measurement of optical density in light-sensitive materials, such as photographic paper or photographic film, due to exposure to light.

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Eastman Kodak

Eastman Kodak Company, commonly known as Kodak, is an American technology company that concentrates on imaging products, with its historic basis on photography.

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Exposure (photography)

In photography, exposure is the amount of light per unit area (the image plane illuminance times the exposure time) reaching a photographic film or electronic image sensor, as determined by shutter speed, lens aperture and scene luminance.

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Ferdinand Hurter

Ferdinand Hurter (15 March 1844 – 12 March 1898) was a Swiss industrial chemist who settled in England.

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Film speed

Film speed is the measure of a photographic film's sensitivity to light, determined by sensitometry and measured on various numerical scales, the most recent being the ISO system.

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Hurter and Driffield

Ferdinand Hurter (1844–1898) and Vero Charles Driffield (1848–1915) were nineteenth-century photographic scientists who brought quantitative scientific practice to photography through the methods of sensitometry and densitometry.

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Josef Maria Eder

Josef Maria Eder 16 March 1855 – 18 October 1944) was an Austrian chemist who specialized in the chemistry of photography.

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Julius Scheiner

Julius Scheiner (1858–1913) was a German astronomer, born in Cologne and educated at Bonn.

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Leon Warnerke

Leon Warnerke was a Polish engineer and inventor in the field of photography, independence activist and revolutionary.

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Photographic developer

In the processing of photographic films, plates or papers, the photographic developer (or just developer) is one or more chemicals that convert the latent image to a visible image.

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Photographic film

Photographic film is a strip or sheet of transparent plastic film base coated on one side with a gelatin emulsion containing microscopically small light-sensitive silver halide crystals.

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Spectral sensitivity

Spectral sensitivity is the relative efficiency of detection, of light or other signal, as a function of the frequency or wavelength of the signal.

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Vero Charles Driffield

Vero Charles Driffield (7 May 1848 – 14 November 1915) was a chemical engineer who also became involved in photographic research.

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Zone System

The Zone System is a photographic technique for determining optimal film exposure and development, formulated by Ansel Adams and Fred Archer.

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Characteristic curve (photography), Density-exposure curve, Exposure sensitivity, H & D curves, HD curve, Hurter-Driffield, Hurter-Driffield curve, Hurter-Driffield curves, Hurter–Driffield curve, Sensitometric, Shoulder (photography), Toe (photography).

References

[1] https://en.wikipedia.org/wiki/Sensitometry

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