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With the advent of digital video capture in the 2000s, the distinction between professional video cameras and movie cameras disappeared as the intermittent mechanism became the same. The earliest video cameras were mechanical flying-spot scanners which were in use in the 1920s and 1930s during the period of mechanical television. This 1954 RCA TK-41C, shown here mounted on a dolly, weighed 310 lbs. The Ikegami HL-33, the RCA TK45 and the Thomson Microcam were portable two piece color cameras introduced in the early 1970s. 16mm film cameras for TV news production from the 1970s onwards because the cost of shooting on film was significantly more than shooting on a reusable tape.
In the late 1990s, as HDTV broadcasting commenced, HDTV cameras suitable for news and general purpose work were introduced. Though they delivered much better image quality, their overall operation was identical to their standard definition predecessors. New methods of recording for cameras were introduced to supplant video tape, tapeless cameras. In 2000s, major manufacturers like Sony, Philips introduced the digital professional video cameras. These cameras used CCD sensors and recorded video digitally on flash storage. These were followed by digital HDTV cameras.
1926 to 1933 “cameras” were a type of flying spot scanner using mechanical disk. 1936 saw the arrival of RCA’s iconoscope camera. 1946 RCA’s TK-10 studio camera used a 3″ IO – Image Orthicon Tube with a 4 lens turret. A TK-30 is simply a TK-10 with a portable camera control unit. The 1948 Dumont Marconi MK IV was an Image Orthicon Camera.
Marconi’s first camera was shown in 1938. Later in the 60s the EMI 2000 and EMI 2001. In 1950 the arrival of the Vidicon camera tube made smaller cameras possible. 1952 saw the first Walkie-Lookie “portable cameras”. Image Orthicon tubes were still used till the arrival of the Plumbicon.