group one ancient times to 1850
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Ancient Times to1850
Katie ChaneySabrina Derr
Tristan Stromberg Joe SchwarzTyler Farrar
Tiffany RosalesAnnie Kennedy
Period 2Photography 1March 21, 2006
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Camera Obscura� Latin for Dark room� A dark box or room with a hole in
one end. If the hole is small
enough, an inverted image wouldbe seen on the opposite wall.� Light travels in a straight line and
when some of the rays reflectedfrom a bright subject pass througha small hole in thin material they
do not scatter but cross andreform as an upside down imageon a flat surface held parallel tothe hole (Wilgus)
focus is achieved by sliding the inner section of the box in and out. The image projected by thelens is focused by a mirror up to a glass under thehood where it can be traced on tissue (Wilgus)
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Professor J. Schulze� Accidental creation of the
first photo-sensitivecompound by mixing nitric acid,
silver, and chalk in a flask.� Dealt with exposure, the
chemicals in the glass jar changed color when facing thesun
� Determines that light is thecause of the change
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Thomas Wedgwood� 1802- presented a paper about
´method of copying paintingsupon glass, and of making profiles
by the agency of light uponnitrate of silver.µ� Put an object on paper coated
with silver nitrate and exposed itto natural light then preserve it ina dark room.
� Never developed a fix, imagescould only be viewed incandlelight.
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Louis Daguerre� Began work as an apprentice
architect� was a painter, physicist, and the
inventor of Daguerreotype² 1837- he figured out how to get the image to stick,exposed directly onto amirror-polished surface of silver, which has first beenexposed to iodine vapor
² made public in 1839² Made his idea available to the
public at no fee (Loomis)² accepted into the Academy
of Sciences
.
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Henry Fox Talbot� Popularized photography
(Loomis)� Discovered the latent image
� ´The Pencil of Natureµ was thefirst book with photographs,published by Talbot
� Calotype process, negativesmade
�Phologlyphy process, Photoetching
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Latent Image
� Latent image was discovered in 1841. It is aninvisible image consisting of electrical charges.
� ´In photography a latent image is formed whenlight acts on a photographic emulsion (the
mixture of two unmixed substances). This imageis invisible until the emulsion is developed using photographic developersµ (J.W. Mitchell).
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Pinhole Photography
� Pinhole images are softerthan pictures made with alens. The images have
nearly infinite depth of field.� Cameras have been made
of seashells; many havebeen made of oatmealboxes, coke cans or cookiecontainers (Grepstad).
� In fourth century BC,Aristotle makes notes in hiswork Problems on pinholeimage formation.
� The pinhole was mainlyused later for scientificpurposes in astronomy as a
drawing aid for artists andamateur painters.
� Sir David Brewster was oneof the first to make pinholephotographs in the 1850s.
Pinhole photography is lens-less photography. A tiny hole replaces the lens.Light passes through the hole; an image is formed in the camera (Grepstad).
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Joseph Nicephore Niepce� French Chemist who originated a
process of photography.� In 1816 he created the first
negative image called a ´retinasµ� In 1826 he produced the first
known photograph called theheliograph using a form of asphalton a pewter plate
� 1828 he returned to his work and
discovered a new method that letto super quality images� He worked with Louis Daguerre
until his death
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The First Photograph� Taken by Joseph Nicephore
Niepce in 1826�
eight hour exposure� Taken with camera obscura� The photo was unrecognized
for almost a half a century� now one of the worlds rarest
artifacts.
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Johannes Kepler � Johannes wrote the novel "Astronomia Pars Optica´
which explained how to investigate the formation of pictures with a pinhole camera (Johannes Kepler (1571-
1630)).� He gave the modern explanation of how the eye works
� His theories helped to modernize the pinhole
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Work Cited´Bitterpill: Just A Wee Bit Crankyµ. Bitterpill.org. 13 October 2004. Bitterpill.org. 7
March 2006. <http://www.bitterpill.org/log/2004_10_01_archive.html>.
´Daguerre, Louis Jacques Mande.µ The Columbia Encyclopedia. 6th Edition. 2006.
Greenspun, Philip. ´History of Photography Timelineµ. 18 December 2003. Photo.net.14 March 2006. <http://www.photo.net/history/timeline>.
Grepstad, Jon. ´Pinhole Photography-History, Images, Cameras, Formulasµ.18 December 2003. Photo.net. 7 March 2006.
<http://www.photo.net/learn/pinh ole/pinhole>.
´Invention of Photographyµ. Maison Nicephore Niepce: The Reference SiteAbout the Inventor of Photography. 7 March 2006. <www.nicephore-
niepce.com/pagus/pagus-inv.html>.
Work Cited by: Annie
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Robert Leggat. ́ Daguerre, Louis Jacques Mande.µ A History Of Photography. 8 July 2003. 7 March 2006. <http://www.rleggat.com/photohistory/daguerr.html>.
´Thomas Wedgwood (1771-1805)µ. Wikipedia: The Free Encyclopedia. 25 January2006. Wikipedia; The Free Encyclopedia. 14 March 2006. <http://en.wiki
pedia.org/wiki/Thomas_Wedgwood_%281771-1805%29>.
´Thomas Wedgwoodµ. Historic Firgures. bbc.co.uk. 7 March 2006.<http://www.bbc.co.uk/history/historic_figures/wegdwood_thomas.shtml>.
Wilgus, Jack. Wigus, Beverly. ´The Magic Mirror of Life: An Appreciation of the Camera Obscuraµ. What is Camera Obscura?. August 2004.
Brightbytes.com. 7 March 2006. <http://www.brightbytes.com/cosite/what.html>.
´William Henry Fox Talbotµ. The Fox Talbot Museum of Photography. 2004 7 March2006. <http://www.r-cube.co.uk/fox-talbot/history.html>.
Work Cited B y: Annie