The Video Camera Reigns Supreme

The video camera first made its debut in theVideo cameras were first meant for broadcasting
television industry but has now penetrated thetelevision pictures. The first ones were large,
common field. BBC (British Broadcasting Company)mounted on trolleys and connected by wires to
used the first ones in the 1930`s. The videorecorders kept in another room. Technology
camera is used mainly for two purposes. Themeant downsizing everything to mini handy
primary one is for projection of live shows, likeproportions.
the ones we see on the television as also forSimultaneously costs began to go down making it
immediate spying as used by and for the militarymore affordable to the common people. Sales
and industrial operations. The second purpose isshot up boosting further research in the field.
for storage and archiving. Videotapes were at oneShoulder operated luggage type video cameras
time in use but now discs have replaced these.used to sell for US$1500. Today better features
The latest video cameras (filmadora) are a farare available from a mini model of video camera
cry from its first generation models - similarities(filmadora) that can rest on the palm of the hand
are difficult to trace. Professional models of videofor US$150! It is a revolution in evolution.
cameras are mobile units and allow fine manualIt consists of three parts - the lens, the imager
control as required in fieldwork. Camcordersand the recorder. The lens focuses light on the
(filmadora) are also video cameras - it is aobject. The imager converts this into video signal
combination of a camera and a recording deviceand then finally it is stored or recorded in the
(VCR). These are in great demand for homerecorder. The camera (filmadora) section consists
movies, television production, electronic newsof the optics and the imager. The lens has an
conferences etc.aperture to control light, zoom to define the field
Another type of video camera is the closed circuitof vision and shutter-speed to capture motion in
variety that is used for security and monitoring.continuity. The electronics automatically controls
They are tiny so that can be hidden and areand adjusts these units.
often used to monitor the environment in settingsProfessionals have the option of choosing from
where man cannot physically go. These webmodels, which have manual functions as well so
cams are video cameras used where there isthat the operator has a say in the matter. The
danger from radiation, excessive heat andimager is the eye of the set and changes light
exposure to poisonous chemicals and inhospitableinto video signal electronically. The recorder writes
terrain.the video signal on to a magnetic videotape or
Another model is the digital camera that convertsdisc. The time and date are also recorded.
the signal to a digital output and these are evenFrom ancient times man has been desperate and
smaller than the security cameras. Often thesekeen to capture in time what is fleeting and
are incorporated into the body of the computertransitory. He has scratched on stone and
or mobile pones and laptops. Special types ofpapyrus building library after library of life that is
video cameras are used abroad satellites foras fleeting as the moving river. This urge still
probing space or inserted in robots creatingremains. With the video camera (filmadora) we
artificial intelligence. These come in handy also forcapture eternally our personal lives and record
medical use.history of protests and speeches.
Video cameras (filmadora) are slowly taking overThis article is under GNU FDL license and can be
the film world as video technology improves bydistributed without any previous authorization
the day. Video cameras are now able to createfrom the author. However the author's name and
special effects like infinite regression - repetition ofall the URLs (links) mentioned in the article and
a scene.biography must be kept.