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The YH12x4.8 KTS is a ½-inch
wide angle of view portable lens offered by Canon
to support diverse remote imaging applications
including teleconferencing, distance learning,
and specialized broadcasting applications. It
is a member of a family of three ½-inch
SD remote control lenses that collectively offer
an unusually broad range of creative options.
This particular lens is intended
for producers and broadcasters having as their
foremost priority wide angle shooting with a lightweight
mobile production lens-camera system that offers
exceptional HDTV performance.
The YH12x4.8 KTS utilized breakthrough
technologies and powerful computer-aided design
techniques to produce a very wide-angle SDTV lens
in a modest 4.3 lb package. It is a design directly
responding to the expressed creative desires of
producers for a truly versatile acquisition system.
The YH12x4.8B represents a magnificent compromise
between the demands for mobility in a handheld
SDTV camera system and the exacting performance
requirements for high-end SDTV production. The
requisite optimization strategies to achieve this
balance sought a high MTF over the entire image
plane, minimization of chromatic aberrations,
and maximization of image contrast. Preservation
of the highest MTF at the wider angle focal lengths
(where scene detail can be particularly high)
was a special priority.
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