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Engineering
The discipline, art, skill and profession of applying scientific knowledge and principles to the design and manufacturing of machines, structures, devices, systems, materials and processes.
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spectrum
Entertainment; TV
A range of electromagnetic radio frequencies used in the transmission of radio, data, and video.
minimum object distance (MOD)
Consumer electronics; Video camera
A lens parameter that defines the minimum distance from a camera lens to the point where an object can still be in focus.
SDTV
Entertainment; TV
Standard Definition TV. A TV with an internal digital tuner. SDTV has the basic digital television format closest to traditional analog TV.
modulation transfer function (MTF)
Consumer electronics; Video camera
Defines the resolution capability of a lens. Most lenses exhibit their best MTF when operated in the middle of their iris aperture range.
SVGA
Entertainment; TV
Super Video Graphics Array. This is a display mode with a resolution of 800 x 600 pixels.
neutral density filter (ND filter)
Consumer electronics; Video camera
A grey filter added in front of a lens to reduce the amount of incoming light into the camera lens. It has no influence on color.
terrestrial broadcasting
Entertainment; TV
A broadcast signal transmitted over-the-air to an antenna.
