Fairchild K-20
Encyclopedia
The K-20 is an aerial camera
used during World War II
. Fairchild design, made under licence for military contract. Approximately 15,000 were manufactured by Folmer Graflex Corp. in Rochester, NY between 1941-1945. They use a 5.25"x20 to 5.25"x200 foot Roll Film, with an image size of 4x5 inches. Lenses were 6 3/8" f/4.5 adjustable diaphragm, non interchangeable, made by either Kodak, Ilex, or Bausch & Lomb
, as available at time of order. An interesting feature is the use of a vacuum to keep the film flat.
Earlier aerial cameras, from the World War I era, included the Kodak K1, with focal plane shutter, the Fairchild K3, K3A, K3B etc., with in-lens shutter to eliminate distortion, K5 etc., some of which used individual glass plates, some individual sheet film, and some roll film.
Similar cameras, from the World War II era: K17, K18, K19, K21, K22, F20, F40, F56, etc., many making 9" x 9" or 9" x 18" images using 9"+ roll film. http://mysite.verizon.net/yenrav/20cms/cameras.htm
Aerial photo histories:
http://employees.oneonta.edu/baumanpr/geosat2/RSHistory/HistoryRSPart1.htm
http://web.mst.edu/~rogersda/gis/Early%20Days%20Remote%20Sensing.pdf
Camera
A camera is a device that records and stores images. These images may be still photographs or moving images such as videos or movies. The term camera comes from the camera obscura , an early mechanism for projecting images...
used during World War II
World War II
World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...
. Fairchild design, made under licence for military contract. Approximately 15,000 were manufactured by Folmer Graflex Corp. in Rochester, NY between 1941-1945. They use a 5.25"x20 to 5.25"x200 foot Roll Film, with an image size of 4x5 inches. Lenses were 6 3/8" f/4.5 adjustable diaphragm, non interchangeable, made by either Kodak, Ilex, or Bausch & Lomb
Bausch & Lomb
Bausch & Lomb, an American company based in Rochester, New York, is one of the world's leading suppliers of eye health products, such as contact lenses and lens care products today. In addition to this main activity, in recent years the area of medical technology has been developed...
, as available at time of order. An interesting feature is the use of a vacuum to keep the film flat.
Earlier aerial cameras, from the World War I era, included the Kodak K1, with focal plane shutter, the Fairchild K3, K3A, K3B etc., with in-lens shutter to eliminate distortion, K5 etc., some of which used individual glass plates, some individual sheet film, and some roll film.
Similar cameras, from the World War II era: K17, K18, K19, K21, K22, F20, F40, F56, etc., many making 9" x 9" or 9" x 18" images using 9"+ roll film. http://mysite.verizon.net/yenrav/20cms/cameras.htm
Aerial photo histories:
http://employees.oneonta.edu/baumanpr/geosat2/RSHistory/HistoryRSPart1.htm
http://web.mst.edu/~rogersda/gis/Early%20Days%20Remote%20Sensing.pdf
See also
- Aviation photographyAviation photographyAviation photography is the act of capturing images of aircraft, either in flight, or on the ground. Like other specialties in photography, aviation photography requires knowledge of special techniques and of the aircraft to be done properly. There are different types of aviation photography,...
- Bird's-eye viewBird's-eye viewA bird's-eye view is an elevated view of an object from above, with a perspective as though the observer were a bird, often used in the making of blueprints, floor plans and maps.It can be an aerial photograph, but also a drawing...
- OrthophotoOrthophotoAn orthophoto, orthophotograph or orthoimage is an aerial photograph geometrically corrected such that the scale is uniform: the photo has the same lack of distortion as a map...
- PictometryPictometryPictometry International Corp. is a Henrietta, New York-based company that provides detailed aerial photography. Its images are taken at a 40 degree angle from low-flying airplanes. Its Electronic Field Study software allows a variety of measurements to be taken directly from the image, including...
- Aerial photographyAerial photographyAerial photography is the taking of photographs of the ground from an elevated position. The term usually refers to images in which the camera is not supported by a ground-based structure. Cameras may be hand held or mounted, and photographs may be taken by a photographer, triggered remotely or...
- Aerial archaeologyAerial archaeologyAerial archaeology is the study of archaeological remains by examining them from altitude.The advantages of gaining a good aerial view of the ground had been long appreciated by archaeologists as a high viewpoint permits a better appreciation of fine details and their relationships within the wider...
- Aerial landscape artAerial landscape artAerial landscape art includes paintings and other visual arts which depict or evoke the appearance of a landscape from a perspective above it—usually from a considerable distance—as it might be viewed from an aircraft or spacecraft. Sometimes the art is based not on direct observation but on aerial...
- ReconnaissanceReconnaissanceReconnaissance is the military term for exploring beyond the area occupied by friendly forces to gain information about enemy forces or features of the environment....
- GraflexGraflexGraflex was a manufacturer, a brand name and several models of cameras. William F. Folmer, an inventor, built the first Graflex camera in 1898, when his company was called The Folmer and Schwing Manufacturing Company, founded originally in New York as a gas lamp company...