photographic reduction
1Photographic filter — Four photographic filters. Clockwise, from top left, an infrared hot mirror filter, a polarising filter, and a UV filter. The larger filter is a polariser for Cokin style filter mounts. In photography and videography, a filter is a camera… …
2Photographic developer — In the processing of photographic films, plates or papers, the photographic developer (or just developer) is a chemical that makes the latent image on the film or print visible. It does this by reducing the silver halides that have been exposed… …
3Photographic lens — A photographic lens (also known as objective lens or photographic objective) is an optical lens or assembly of lenses used in conjunction with a camera body and mechanism to make images of objects either on photographic film or on other media… …
4reduction (photographic) — The production of a negative, diapositive, or print at a scale smaller than the original …
5Noise reduction — For sound proofing, see soundproofing. For scientific aspects of noise reduction of machinery and products, see noise control. Noise reduction is the process of removing noise from a signal. All recording devices, both analogue or digital, have… …
6Digital noise reduction — or DNR is a software program used to enhance the quality of digital photographic reproductions of either still or moving images. It is a tool especially useful to correct imperfections (such as film grain, electronic noise, film speckles, dirt,… …
7René Dagron — René Prudent Patrice Dagron (17 March, 1819 ndash;13 June 1900) was a French photographer and inventor. He was born in Beauvoir, Sarthe, France. [http://www.srlf.ucla.edu/exhibit/text/Chronology.htm CHRONOLOGY OF MICROFILM DEVELOPMENTS 1800… …
8Portland Spy Ring — The Portland Spy Ring operated in Britain from the late 1950s till 1961 when the hard core of the network was arrested by British security. It is one of the most famous examples of the use of illegal residents , spies who operate in a foreign… …
9Airmail stamps of Denmark — Denmark issued ten definitive airmail stamps between 1925 and 1934 in two distinct series.[1] The 1st series, commonly called The Plow and Airplane was first issued in June 1925. These stamps were designed by Danish artist Axel Peder Jensen… …
10As We May Think — Author Vannevar Bush Language English Genre(s) essay/article (about 10 pages long) Published in The Atlantic Monthly …
