Black and White Photography

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Classic black and white photograph made by Ansel Adams The Tetons and the Snake River (1942) Adams The Tetons and the Snake River.jpg
Classic black and white photograph made by Ansel Adams The Tetons and the Snake River (1942)

Black and white photography is a form of photography that captures scenes or subjects with a grayscale of brightness, without recording any natural colors. The resulting images, often referred to as monochrome, display a range of shades of gray, from black to white. This style of photography predates color photography and has remained a significant, timeless and versatile artistic and documentary medium for over a century. [1] [2]

Contents

History

Black and white photography dates back to the early days of photography in the 19th century. The first successful form of photography, known as daguerreotype, [3] [4] produced monochromatic images. [5] Throughout the 20th century, black and white photography flourished as the primary form of photographic expression, used extensively in journalism, fine art, [6] and documentary photography.

After the advent of cheap and accessible color photography technologies for the mass public, including instant photography, the share of black and white photography began to decline rapidly, [7] [8] by the end of the 1970s being less than half in the world. [4] In the USSR, this process was slower due to the low availability and high cost of color-photosensitive materials, as well as their more complex chemical photographic processing.

However, by the end of the 1990s in the CIS countries, due to the spread of machine processing of photographic materials, the ratio also did not favor black-and-white photography. The spread of digital photography further reinforced this trend, due to the simplicity and improved color reproduction.

In the 2010s, most countries began to see an increased interest in black and white photography, due to the specific expressiveness of photographs devoid of color. [9] [10] [11]

Techniques

There are various techniques for creating black and white photographs, both traditional and modern. Traditional methods involve using black and white film, which is processed using chemical techniques in a darkroom. Silverless monochrome photographic film, suitable for processing by the high-speed C-41 process, has become available, offering alternatives to traditional silver-based processes. Additionally, digital technology allows for the conversion of color photographs into monochrome by adjusting tonality and color components.

One of the most important disadvantages of black-and-white photography is considered to be the increased consumption of silver, even when it is fully regenerated from processing solutions. The reason is that in the gelatin silver process, the black-and-white image consists of metallic silver, whereas the colored image consists only of dyes. Through laboratory processing, the silver from colored chromogenic materials is bleached and can be almost completely recovered from solutions. [12] [13] For black-and-white photographic materials, the regeneration rate is no more than 70%. [14] [15]

Monochrome photography allows for more abstracted images, emotionally interpreting everyday reality. The effect can be enhanced by toning in sepia tones or cool shades. Special printing techniques such as cyanotype may be used.

Infrared Photography

Infrared photography is a specialized technique within black and white photography. By using infrared-sensitive film or digital sensors, photographers can capture unique images where green vegetation appears almost white, while the sky appears almost black. [16] This technique adds another dimension to the expressive possibilities of black and white photography. The effect can be produced either analogically using infrachromatic photographic materials, or digitally by removing the protective screen of the matrix.

Characteristics

Black and white photography offers a unique aesthetic that emphasizes contrast, texture, and composition. [8] Without the distraction of color, viewers can focus more on the shapes, lines, and emotions conveyed in the image. Monochrome imagery allows for abstract interpretations of reality, evoking emotions and conveying mood in powerful ways. [8]

Applications

Black and white photography finds applications in various fields, including fine art, [17] journalism, documentary, and commercial photography. [2] [9] In the digital age, black and white imagery is also widely used on the internet for various purposes, including illustrating articles, creating stylistic effects, and evoking nostalgia. Black and white photographs as illustrations and stylistics are also used digitally by some Internet resources of various subjects - artistic, historical, analytical-news, etc. due to the association of black and white technology with the past time, documentary newspaper photographs, etc.

Preservation

One more advantage of black and white photography, particularly silver-based prints, is its durability. Well-processed and thoroughly washed bromosilver photographic prints can last for centuries, making them valuable for archival purposes. [12] In contrast, many color photographic processes produce images that fade over time, highlighting the long-term stability of black and white prints.

The most common color photo processes are dye-transfer process, ilfochrome, and especially chromogenic — yield an image composed of rapidly fading dyes. The same is true for color photographs produced digitally on most jet or laser printers. At the same time, the preservation of a well-processed and thoroughly washed bromosilver photographic print can reach several centuries, as evidenced by storage experience. An exception is carbon print of both color and black-and-white photographs, which gives images with durability comparable to oil painting. However, due to technological complexity, the cost of a single pigment print exceeds $1,000. [18]

See also

Related Research Articles

<span class="mw-page-title-main">Photography</span> Art and practice of creating images by recording light

Photography is the art, application, and practice of creating images by recording light, either electronically by means of an image sensor, or chemically by means of a light-sensitive material such as photographic film. It is employed in many fields of science, manufacturing, and business, as well as its more direct uses for art, film and video production, recreational purposes, hobby, and mass communication.

<span class="mw-page-title-main">Photograph</span> Image created by light falling on a light-sensitive surface

A photograph is an image created by light falling on a photosensitive surface, usually photographic film or an electronic image sensor, such as a CCD or a CMOS chip. Most photographs are now created using a smartphone or camera, which uses a lens to focus the scene's visible wavelengths of light into a reproduction of what the human eye would see. The process and practice of creating such images is called photography.

<span class="mw-page-title-main">Photographic paper</span> Light-sensitive paper used to make photographic prints

Photographic paper is a paper coated with a light-sensitive chemical formula, like photographic film, used for making photographic prints. When photographic paper is exposed to light, it captures a latent image that is then developed to form a visible image; with most papers the image density from exposure can be sufficient to not require further development, aside from fixing and clearing, though latent exposure is also usually present. The light-sensitive layer of the paper is called the emulsion. The most common chemistry was based on silver halide but other alternatives have also been used.

<span class="mw-page-title-main">Monochrome</span> Composed of one color

A monochrome or monochromatic image, object or palette is composed of one color. Images using only shades of grey are called grayscale or black-and-white. In physics, monochromatic light refers to electromagnetic radiation that contains a narrow band of wavelengths, which is a distinct concept.

<span class="mw-page-title-main">Cyanotype</span> Photographic printing process that produces a blue print

The cyanotype is a slow-reacting, economical photographic printing formulation sensitive to a limited near ultraviolet and blue light spectrum, the range 300 nm to 400 nm known as UVA radiation. It produces a monochrome, blue coloured print on a range of supports, often used for art, and for reprography in the form of blueprints. For any purpose, the process usually uses two chemicals: ferric ammonium citrate or ferric ammonium oxalate, and potassium ferricyanide, and only water to develop and fix. Announced in 1842, it is still in use.

<span class="mw-page-title-main">Color photography</span> Photography that reproduces colors

Color photography is a type of photography that uses media capable of capturing and reproducing colors. By contrast, black-and-white or gray-monochrome photography records only a single channel of luminance (brightness) and uses media capable only of showing shades of gray.

<span class="mw-page-title-main">Gelatin silver process</span> Photographic process

The gelatin silver process is the most commonly used chemical process in black-and-white photography, and is the fundamental chemical process for modern analog color photography. As such, films and printing papers available for analog photography rarely rely on any other chemical process to record an image. A suspension of silver salts in gelatin is coated onto a support such as glass, flexible plastic or film, baryta paper, or resin-coated paper. These light-sensitive materials are stable under normal keeping conditions and are able to be exposed and processed even many years after their manufacture. The "dry plate" gelatin process was an improvement on the collodion wet-plate process dominant from the 1850s–1880s, which had to be exposed and developed immediately after coating.

Photographic printing is the process of producing a final image on paper for viewing, using chemically sensitized paper. The paper is exposed to a photographic negative, a positive transparency , or a digital image file projected using an enlarger or digital exposure unit such as a LightJet or Minilab printer. Alternatively, the negative or transparency may be placed atop the paper and directly exposed, creating a contact print. Digital photographs are commonly printed on plain paper, for example by a color printer, but this is not considered "photographic printing".

<span class="mw-page-title-main">Infrared photography</span> Near-infrared imaging

In infrared photography, the photographic film or image sensor used is sensitive to infrared light. The part of the spectrum used is referred to as near-infrared to distinguish it from far-infrared, which is the domain of thermal imaging. Wavelengths used for photography range from about 700 nm to about 900 nm. Film is usually sensitive to visible light too, so an infrared-passing filter is used; this lets infrared (IR) light pass through to the camera, but blocks all or most of the visible light spectrum.

The science of photography is the use of chemistry and physics in all aspects of photography. This applies to the camera, its lenses, physical operation of the camera, electronic camera internals, and the process of developing film in order to take and develop pictures properly.

<span class="mw-page-title-main">Alternative process</span> Non-traditional or non-commercial photographic printing process

The term alternative process refers to any non-traditional or non-commercial photographic printing process. Currently, the standard analog photographic printing process for black-and-white photographs is the gelatin silver process. Standard digital processes include the pigment print, and digital laser exposures on traditional color photographic paper.

In photography, toning is a method of altering the color of black-and-white photographs. In analog photography, it is a chemical process carried out on metal salt-based prints, such as silver prints, iron-based prints, or platinum or palladium prints. This darkroom process cannot be performed with a color photograph. The effects of this process can be emulated with software in digital photography. Sepia is considered a form of black-and-white or monochrome photography.

<span class="mw-page-title-main">Carbon print</span> Photographic printing process

A carbon print is a photographic print with an image consisting of pigmented gelatin, rather than of silver or other metallic particles suspended in a uniform layer of gelatin, as in typical black-and-white prints, or of chromogenic dyes, as in typical photographic color prints.

Print permanence refers to the longevity of printed material, especially photographs, and preservation issues. Over time, the optical density, color balance, lustre, and other qualities of a print will degrade. The rate at which deterioration occurs depends primarily on two main factors: the print itself, that is, the colorants used to form the image and the medium on which image resides, and the type of environment the print is exposed to.

<span class="mw-page-title-main">Hand-colouring of photographs</span> Manually applying colour to black-and-white photographs

Hand-colouring refers to any method of manually adding colour to a monochrome photograph, generally either to heighten the realism of the image or for artistic purposes. Hand-colouring is also known as hand painting or overpainting.

The conservation and restoration of photographs is the study of the physical care and treatment of photographic materials. It covers both efforts undertaken by photograph conservators, librarians, archivists, and museum curators who manage photograph collections at a variety of cultural heritage institutions, as well as steps taken to preserve collections of personal and family photographs. It is an umbrella term that includes both preventative preservation activities such as environmental control and conservation techniques that involve treating individual items. Both preservation and conservation require an in-depth understanding of how photographs are made, and the causes and prevention of deterioration. Conservator-restorers use this knowledge to treat photographic materials, stabilizing them from further deterioration, and sometimes restoring them for aesthetic purposes.

A chromogenic print, also known as a C-print or C-type print, a silver halide print, or a dye coupler print, is a photographic print made from a color negative, transparency or digital image, and developed using a chromogenic process. They are composed of three layers of gelatin, each containing an emulsion of silver halide, which is used as a light-sensitive material, and a different dye coupler of subtractive color which together, when developed, form a full-color image.

The following outline is provided as an overview of and topical guide to photography:

<span class="mw-page-title-main">Monochrome photography</span> Photography in which every point in the image has the same hue but different intensity

Monochrome photography is photography where each position on an image can record and show a different amount of light, but not a different hue. It includes all forms of black-and-white photography, which produce images containing shades of neutral grey ranging from black to white. Other hues besides grey, such as sepia, cyan, blue, or brown can also be used in monochrome photography. In the contemporary world, monochrome photography is mostly used for artistic purposes and certain technical imaging applications, rather than for visually accurate reproduction of scenes.

<span class="mw-page-title-main">Photographic film</span> Film used by film (analog) cameras

Photographic film is a strip or sheet of transparent film base coated on one side with a gelatin emulsion containing microscopically small light-sensitive silver halide crystals. The sizes and other characteristics of the crystals determine the sensitivity, contrast, and resolution of the film. Film is typically segmented in frames, that give rise to separate photographs.

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