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Microphotographs are photographs shrunk to microscopic scale.Focal encyclopedia of photography By Michael R. Peres
Focal Press, 2007 , 846 pages Microphotography is the art of making such images. Applications of microphotography include
Dictionary of Photography
' (1858). Novelty viewing devices such as Stanhopes were once a popular way to carry and view microphotographs. An important application of microphotography is in
Microphotographs are photographs shrunk to microscopic scale.Focal encyclopedia of photography By Michael R. PeresFocal Press, 2007 , 846 pages Microphotography is the art of making such images. Applications of microphotography include
espionage
Espionage, spying, or intelligence gathering is the act of obtaining secret or confidential information (intelligence) from non-disclosed sources or divulging of the same without the permission of the holder of the information for a tangib ...
such as in the Hollow Nickel Case
The Hollow Nickel Case (or the Hollow Coin) was the FBI investigation that grew out of the discovery of a container disguised as a U.S. coin and containing a coded message, eventually found to concern espionage activities of William August Fis ...
, where they are known as microfilm
Microforms are scaled-down reproductions of documents, typically either photographic film, films or paper, made for the purposes of transmission, storage, reading, and printing. Microform images are commonly reduced to about 4% or of the origin ...
.
Using the daguerreotype process, John Benjamin Dancer
John Benjamin Dancer (8 October 1812 – 24 November 1887) was a British scientific instrument maker and inventor of microphotography. He also pioneered stereography.
Life
By 1835, he controlled his father's instrument making business in Li ...
was one of the first to produce microphotographs, in 1839.
He achieved a reduction ratio of 160:1. Dancer perfected his reduction procedures with Frederick Scott Archer
]
Frederick Scott Archer (1813 – 1 May 1857) was an English photographer and sculptor who is best known for having invented the photographic collodion process which preceded the modern gelatin emulsion. He was born in either Bishop's Stortfor ...
’s wet collodion process, developed in 1850–51, but he dismissed his decades-long work on microphotographs as a personal hobby, and did not document his procedures. The idea that microphotography could be no more than a novelty was an opinion shared by the 1858 ''Dictionary of Photography,'' which called the process "somewhat trifling and childish." Originally published in Dictionary of Photography
' (1858). Novelty viewing devices such as Stanhopes were once a popular way to carry and view microphotographs. An important application of microphotography is in
microform
Microforms are scaled-down reproductions of documents, typically either films or paper, made for the purposes of transmission, storage, reading, and printing. Microform images are commonly reduced to about 4% or of the original document size. ...
s.
See also
*Microprinting
Microprinting is the production of recognizable patterns or characters in a printed medium at a scale that requires magnification to read with the naked eye. To the unaided eye, the text may appear as a solid line. Attempts to reproduce by meth ...
* Macro photography
References
{{Authority control Audiovisual introductions in 1839 Microscopy