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Biography Camera
A camera is a device used to capture images, either as still photographs or
as sequences of moving images (movies or videos). The term comes from the
Latin camera obscura for "dark chamber" for an early mechanism of
projecting images where an entire room functioned as a real-time imaging
system; the modern camera evolved from the camera obscura.
Cameras may work with the light of the visible spectrum or with other
portions of the electromagnetic spectrum. A camera generally consists of an
enclosed hollow with an opening (aperture) at one end for light to enter,
and a recording or viewing surface for capturing the light at the other
end. Most cameras have a lens positioned in front of the camera's opening
to gather the incoming light and focus all or part of the image on the
recording surface. The diameter of the aperture is often controlled by a
diaphragm mechanism, but some cameras have a fixed-size aperture.
Exposure control
