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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 ...
Viewfinder eyepiece. A digital single-lens reflex camera (digital SLR or DSLR) is a digital camera that combines the optics and mechanisms of a single-lens reflex camera with a solid-state image sensor and digitally records the images from the sensor. The reflex design scheme is the primary difference between a DSLR and other digital cameras.
Lenses for 1600F / 1000F cameras. 1600F with Kodak Ektar 2.8/80 lens. 1000F with Zeiss Tessar 2.8/80 lens. Pål-Nils Nilsson with Cook & Perkins Dallmeyer Dallon Tele-Anastigmat 5.6/500 lens. The original normal lens for the 1600F and 1000F was the Kodak Ektar 80 mm f/2.8. It was succeeded by the Zeiss Tessar in 1953. [1]: 388.
Optical correction using glasses or contact lenses is the most common treatment; other approaches include orthokeratology, and refractive surgery. [ 68 ] : 21–26 Medications (mostly atropine ) and vision therapy can be effective in addressing the various forms of pseudomyopia .
Ronald Price Hickman (1932–2011), U.S. – designed the original Lotus Elan, the Lotus Elan +2 and the Lotus Europa, as well as the Black & Decker Workmate; Rowland Hill (1795–1879), UK – postage stamp; Maurice Hilleman (1919–2005) – vaccines against childhood diseases; Tanaka Hisashige (1799–1881), Japan – Myriad year clock
Mandarin. Cantonese. Budget. $14.3–25 million [2][3] Box office. $143.4 million [4] Everything Everywhere All at Once[a] is a 2022 American absurdist comedy-drama film written and directed by Daniel Kwan and Daniel Scheinert, [b] who produced it with Anthony and Joe Russo and Jonathan Wang.
16.1. Brighton Boulevard in Denver. Chambers Road in Aurora. $1.50~$4.50 [33] All-electronic toll; allows ExpressToll and license plate toll; HOV-3+ must have an ExpressToll transponder which they can slide to the HOV indicator to ride free; motorcycles and RTD buses are toll-free [34] US 36 (Express Lanes) 16.0.
Data in the 2010 columns comes from Health Data. [11] Overall, life expectancy at birth in Hawaii, Washington, California, and New York are among the longest in the nation, while life expectancy at birth in Mississippi, American Samoa, and West Virginia are among the shortest in the nation.
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