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John Muir (/ m jʊər / MURE; April 21, 1838 – December 24, 1914), [1] also known as "John of the Mountains" and "Father of the National Parks", [2] was a Scottish-born American [3] [4]: 42 naturalist, author, environmental philosopher, botanist, zoologist, glaciologist, and early advocate for the preservation of wilderness in the United States.
Leica Camera AG (/ ˈ l aɪ k ə /) is a German company that manufactures cameras, optical lenses, photographic lenses, binoculars, and rifle scopes.The company was founded by Ernst Leitz in 1869 (Ernst Leitz Wetzlar), in Wetzlar, Germany.
Followed by Leica Luxur and Leica Compur (a total of 60,586 of the Leica I, Luxur, and Compur models were made). Interchangeable lenses for these were introduced in 1930. Leica Standard: 1932. The first Leica camera was designed with a film-to-lens flange distance of 28.8 millimeters. Leica II: 1932. The first Leica camera with a rangefinder.
The John Muir Country Park is situated in the Dunbar area. In Martinez, California, United States is the John Muir National Historic Site, consisting mainly of John Muir's home, plus a portion of his orchards. There is also the John Muir Memorial site not far from the Historic Site that is composed of a statue of John Muir on a rock surrounded ...
Ernst Leitz II (1 March 1871 – 15 June 1956) was a German business person and humanitarian. He was the second head of the optics company now known as Leica Camera and organized the Leica Freedom Train to allow people, most of whom were Jewish, to escape from Germany during Nazi times.
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The history of the single-lens reflex camera (SLR) begins with the use of a reflex mirror in a camera obscura described in 1676, but it took a long time for the design to succeed for photographic cameras. The first patent was granted in 1861, and the first cameras were produced in 1884, but while elegantly simple in concept, they were very ...
The John Muir National Historic Site is located in the San Francisco Bay Area, in Martinez, Contra Costa County, California.It preserves the 14-room Italianate Victorian mansion where the naturalist and writer John Muir lived, as well as a nearby 325-acre (132 ha) tract of native oak woodlands and grasslands historically owned by the Muir family.