315. Photography

See also 23. ART ; 159. FILMS

actinography

1. the measurement of the intensity of radiation with a recording actinometer, usually by the photochemical effect.

2. the calculation of suitable exposure times in photography through the use of a recording actinometer. — actinographic, adj.

astrophotography

a form of photography used to record astronomical phenomena.

autoradiograph

radioautograph.

autotype

1. a photographic process in which pictures are produced in one color or shades of one color by the use of a carbon pigment. Also called autotypy .

2. the picture so created.

chromophotography

the art of making colored photographs.

cinematics

the art or principles of making motion pictures. — cinematic, adj.

cinematography

the art or technique of motion-picture photography. — cinematographer, cinematographist, n. — cinematographic, adj.

collotype

1. a photographic plate made with a gelatin film, capable of highly detailed reproductions.

2. the process of making such a plate.

3. the picture made with such a plate.

cyanotype

a blueprint.

daguerreotype

an obsolete form of photography in which images were produced on chemically treated plates of metal or glass. — daguerreotypic, daguerreotypical, adj. — daguerreotypist, n.

densitometer

an optical device for measuring the density of a photographic negative.

electrography

an apparatus for electrically transmitting pictures. — electrograph, n. — electrographic, adj.

ferrotype

1. an early photographic process in which a positive image was taken directly on a thin plate of sensitized iron or tin.

2. the picture produced by this method. Also called stannotype, tintype .

gastrophotography

a form of photography for examining the interior of the stomach by introducing a small camera into it.

heliochromy

the art or process of producing natural color photographic prints; color photography. — heliochrome, n. — heliochromic, adj.

heliotypography

the practice of making phototypes.

heliotypy

the process of making pictures by printing directly from gelatin film that has been exposed under a negative and fixed with chrome alum.

holography

a technique for producing a three-dimensional photographic representation, recorded on film by a reflected laser beam of a subject illuminated by part of the same laser beam.

megalethoscope

an optical device similar to a stereoscope in which a photograph is greatly magnified and the effect of perspective is deepened.

mutoscope

an instrument for recording and reproducing the illusion of motion by means of a series of photographs.

nephograph

an instrument for photographing clouds.

panchromatism

the quality or condition of being sensitive to all colors, as certain types of photographic film. — panchromatic, adj.

photobibliography

the use of photography as an aid to book description.

photobiography

a biography related mostly or entirely through photographs.

photochromy

the process or production of color photographs; color photography. Cf. heliochromy .

photochronograph

1. a camera for recording motion by a series of photographs taken at brief intervals.

2. the photograph so produced.

3. a camera that records the exact time of the event it is photographing by exposing a moving sensitized plate to the tracing of a thin beam of light synchronized with the event.

photodrama

a photoplay or dramatic narrative illustrated with or related through photographs.

photoglyphy

photogravure or the process of engraving by means of photography. — photoglyphic, adj.

photogrammetry

the use of photography for surveying or map-making. Cf. phototopography.

photogravure

1. a form of photoengraving in which the photograph is reproduced on an intaglio surface and then transferred to paper.

2. the photograph produced by this process.

photojournalism

a form of journalism in which photographs play a more important part than written copy. — photojournalist, n.

photolithography

the process of making lithographs produced by photoengraving. Cf. photogravure . — photolithographer, n. — photolithographic, adj.

photomicrography

the process of taking photographs through a microscope. Also called photomicroscopy . — photomicrograph, n.

phototopography

surveying or map-making by means of photography. Cf. photogrammetry. — phototopographic, phototopographical, adj.

phototypy

the art or technique of making photographic plates. — phototypic, adj.

platinotype

1. a photographic process in which a platinum salt is used in place of the more usual silver salts to produce a more permanent print.

2. a photographic print so made.

radioautograph

a photograph produced on film by the radioactive rays from the object being photographed. Also called autoradiograph . — radioautographic, adj. — radioautography, n.

radiography

the technique of producing images on photographic film by the action of x rays or other radioactive materials. Also called scotography . — radiograph, n.

radiophotography

the process or technique of transmitting and receiving photographs by radio.

reprography

a collective term for all kinds of processes used for the facsimile reproduction of documents or books.

roentgenography, röntgenography

x-ray photography.

scotography

radiography. See also 342. RADIATION . — scotograph, n.

sensitometer

a device for determining the sensitivity of film. — sensitometiy, n. — sensitometric, adj.

spectrography

the technique of using a spectrograph, an optical device for breaking light down into a spectrum and recording the results photographically. — spectrographic, adj.

spectroheliogram

a photograph of the sun made using monochromatic light.

stannotype

ferrotype.

telephotography

1. the art or process of photographing distant objects by using a telephoto lens or a telescope with a camera.

2. electrography. — telephotographic, adj.

teliconograph

an apparatus combining a telescope and the camera lucida, used for producing images of distant objects on a screen.

time lapse photography

the motion-picture photography of a slow and continuous process, as the sprouting of a seed, especially by exposing one frame at a time at regular intervals.

tintype

ferrotype.

tomography

x-ray photography of a thin cross section of tissue.

vectography

a stereoscopic process involving two superimposed images polarized at 90° to each other and viewed through polarizing glasses for a three-dimensional effect. — vectograph, n. — vectographic, adj.

woodburytype

1. an early photographic process in which a relief image on gelatin is used to produce an intaglio impression on a lead or other soft metal plate from which prints are then made in a press.

2. the picture produced by this process.