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A typical low-cost webcam (a Microsoft LifeCam VX-3000) for use with many popular video-telecommunication programs (2009). This list of video telecommunication services and product brands is for groupings of notable video telecommunication services, brands of videophones, webcams and video conferencing hardware and systems, all related to videotelephony for two-way communications with live ...
Leica R4, R5, R6, R7 were 35 mm SLR cameras manufactured by Leica between 1980 and 1997 and belonged to the manual focusing R-System, which was offered from 1965 to 2009. Following the success of the Leica R3 the company, in continuing cooperation with Minolta , produced the R4–R7 series all based on the same chassis.
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.
The distance is only 0.5 mm larger than the Nikon F-mount, which is not sufficient to make a workable adapter, however, at least one Nikon camera has been modified with a Leica R bayonet mount to take R lenses, [citation needed] and at least two manufacturers make replacement mounts, allowing many Leica R lenses to be used directly on various ...
The camera was an immediate success with the public and launched a fad of amateur photography. [33] Eastman's advertising slogan, " You Press the Button, We Do the Rest ", soon entered the public lexicon, and was referenced by Chauncey Depew in a speech [ 33 ] and Gilbert and Sullivan in their opera Utopia, Limited .
A webcam is a video camera which is designed to record or stream to a computer or computer network. They are primarily used in video telephony , live streaming and social media , and security . Webcams can be built-in computer hardware or peripheral devices , and are commonly connected to a device using USB or wireless protocol .
A zoom lens is a system of camera lens elements for which the focal length (and thus angle of view) can be varied, as opposed to a fixed-focal-length (FFL) lens . A true zoom lens or optical zoom lens is a type of parfocal lens , one that maintains focus when its focal length changes. [ 1 ]
A zoom-lens reflex (ZLR) camera is a low-end single-lens reflex (SLR) camera having an integrated zoom lens rather than the interchangeable lenses found on other SLR cameras. The term was coined by Olympus for the IS-series film cameras. [1] Olympus also applied the designation to the D-500L & D-600L in press releases carried by PR Newswire. [2]