photography

photography
Name	Photography
Invented	1820s
Inventor	Nicéphore Niépce, Louis Daguerre
Type	Visual art, documentation

photography

Photography is the process of creating images by recording light or other electromagnetic radiation, historically on chemical media and presently via electronic sensors. It developed through contributions by Nicéphore Niépce, Louis Daguerre, William Henry Fox Talbot, and others, becoming central to visual culture, scientific practice, and mass communication. Its techniques span chemical darkroom processes, optical engineering, digital imaging, and computational methods shaped by institutions like Kodak and Sony.

History

Early milestones include Nicéphore Niépce's heliography and Louis Daguerre's daguerreotype, followed by William Henry Fox Talbot's calotype and paper negative experiments. The 19th century saw rapid diffusion via studios, illustrated periodicals such as Harper's Weekly, and expeditions like Lewis and Clark Expedition that used wet plate collodion processes by practitioners connected to studios in New York City and Paris. Photographers such as Nadar and Julia Margaret Cameron advanced portraiture while Roger Fenton and Mathew Brady documented the Crimean War and the American Civil War respectively, demonstrating documentary potential. The 20th century introduced roll film from George Eastman of Kodak, 35mm format championed by Oskar Barnack at Leica, and pictorialist debates with figures like Alfred Stieglitz and Ansel Adams. Photojournalism rose through agencies like Magnum Photos and publications such as Life (magazine), while modernist practitioners including Man Ray and Dorthea Lange shaped aesthetic and social narratives. Technological shifts—color transparency promoted by Kodachrome and digital sensors from corporations like Canon and Nikon—transformed production and distribution, intersecting with institutions such as the Museum of Modern Art and movements associated with Surrealism and Modernism.

Equipment and Techniques

Optical systems rely on lenses developed by manufacturers like Zeiss and Nikon and camera bodies from Leica, Canon, Sony, and Hasselblad. Film formats include large format sheets used by landscape photographers linked to Ansel Adams's Zone System, medium format popularized by studios using Hasselblad and Mamiya, and 35mm introduced by Oskar Barnack. Techniques range from wet plate collodion used by early field photographers to gelatin silver prints favored by mid-century practitioners, and chromogenic C-41 processes associated with Kodak and Fujifilm. Darkroom skills—dodging, burning, and chemical timing—coexist with digital techniques like RAW conversion, sensor calibration influenced by X-Rite, and lens profiling promoted by entities such as DxO. Accessory tools include tripods by Gitzo, lighting systems from Profoto, and metering devices pioneered by Sekonic.

Genres and Styles

Genres encompass portraiture practiced in studios across London, Paris, and New York City; landscape traditions tied to Yosemite National Park through figures like Ansel Adams; documentary strands exemplified by Dorothea Lange and Walker Evans; fashion photography centered in Vogue (magazine) and photographers like Richard Avedon; and street photography associated with Henri Cartier-Bresson and Garry Winogrand. Other styles include architectural commissions for firms in Chicago, scientific imaging used at institutions such as NASA, and commercial advertising produced for brands like Coca-Cola. Subgenres span astrophotography linked to Hubble Space Telescope, wildlife work by contributors to National Geographic, and forensic imaging applied in cases handled by agencies like the FBI.

Artistry and Aesthetics

Aesthetic decisions involve composition rules articulated in schools connected to Bauhaus and critics at Aperture (magazine), tonal control explored by Ansel Adams's Zone System, and color theory influenced by painters discussed at institutions such as the Tate Modern. Photographic aesthetics engage with movements like Surrealism through collaborators such as Man Ray, and with documentary ethics debated in circles around Magnum Photos and editors at Life (magazine). Concepts of authorship and authenticity have been contested in exhibitions at the Museum of Modern Art and academic departments at University of Oxford and Harvard University.

Technology and Digital Workflow

Digital imaging pipelines use sensors from Sony and Canon, image processors developed by Intel and Apple, and software like Adobe Photoshop and Capture One. Workflows include color management with profiles from X-Rite and printing using printers by Epson and Canon. Computational photography techniques are advanced by research at MIT, Google's computational teams, and corporate labs at NVIDIA, introducing HDR stitching, panorama algorithms popularized by companies such as Autodesk, and machine learning models trained on datasets curated by institutions like ImageNet. Archival practices draw on standards set by Library of Congress and preservation programs at Smithsonian Institution.

Cultural Impact and Uses

Photography has reshaped public perception via news outlets such as The New York Times and visual campaigns by organizations like United Nations; it has influenced law through forensic evidence in courts including the International Criminal Court and affected social movements documented by photographers during events like the Civil Rights Movement and May 1968 protests in France. Commercial sectors—from advertising firms working with Saatchi & Saatchi to fashion houses in Milan and Paris—rely on photographic imagery, while scientific communities at CERN and observatories like Mauna Kea Observatories employ imaging for research. Institutions such as the Getty Museum and Tate curate historical and contemporary works, and awards like the Pulitzer Prize and World Press Photo recognize photographic excellence.

Category:Visual arts