Difference between revisions of "Photo Research"
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| − | '''Photo Research''' Corporation is best known as the manufacturer of the [[Norwood Director]], an exposure meter. The company was founded in 1941 by cinematographer Karl Freund, best known for his work on the American television series I Love Lucy in the mid 1950's | + | '''Photo Research''' Corporation is best known as the manufacturer of the [[Norwood Director]], an exposure meter. The company was founded in 1941 by cinematographer Karl Freund, best known for his work on the American television series I Love Lucy in the mid 1950's, but who on many Universal Pictures monster movies including The Mummy and Dracula in the early 1930's. Freund started working with Donald W. Norwood, who patented the concept of the photosphere, which integrates incident light from all directions<REF> Norwood was awarded [http://www.freepatentsonline.com/2214283.pdf US Patent 2,214,283] (at [http://www.freepatentsonline.com/ freepatentsonline.com] in 1940, and refined it in subequent patents.</REF>. Manufacturing started on the Norwood Director exposure meter in 1946. Once the Brockway family got involved in manufacturing the Norwood Director (model B), Photo Research started manufacturing improved meters based on the Norwood Director (model a) under the the name ''Spectra''. |
===Meters=== | ===Meters=== | ||
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* Spectra Pro IV A SP | * Spectra Pro IV A SP | ||
* Spectra Universal | * Spectra Universal | ||
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| + | ==Notes== | ||
==Links== | ==Links== | ||
Revision as of 00:35, 30 August 2011
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Photo Research Spectra Professional | |
Photo Research Corporation is best known as the manufacturer of the Norwood Director, an exposure meter. The company was founded in 1941 by cinematographer Karl Freund, best known for his work on the American television series I Love Lucy in the mid 1950's, but who on many Universal Pictures monster movies including The Mummy and Dracula in the early 1930's. Freund started working with Donald W. Norwood, who patented the concept of the photosphere, which integrates incident light from all directions[1]. Manufacturing started on the Norwood Director exposure meter in 1946. Once the Brockway family got involved in manufacturing the Norwood Director (model B), Photo Research started manufacturing improved meters based on the Norwood Director (model a) under the the name Spectra.
Meters
- Norwood Director
- Spectra Candela
- Spectra Candela II
- Spectra Combi 500
- Spectra Combi II
- Spectra Lumicon series II
- Spectra Pro
- Spectra Pro II
- Spectra Pro IV A
- Spectra Pro IV A SP
- Spectra Universal
