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1-2 Operator's Manual LDK 100 Camera Head Introduction
Technology
The LDK 100 camera is a multi-role digital camera
head using 2/3-inch CCD sensors. This is a flexible
camera that is equally at home in the studio or out on
location in an OB environment.
Digital Processing
The advanced digital processing of the camera is
based on 12-bit A/D converters and more than 20-bit
internal processing. Two DSPs combine all major
camera functions in the digital domain, including
knee, gamma, contour, matrix and colour correction.
The intelligent continuous automatics facility provides
automatic control of black levels and black shading.
Each sensor provides black reference signals that
are used to monitor temperature changes. This means
that continuous automatic correction is applied without
operator intervention.
The digital contour processing uses full amplitude
video RGB signals via an extended dynamic range
contour circuit.
Colorimetry is selected by means of a variable 6-point
digital matrix or via preset matrices. Digital gamma
circuits provide a wide range of standardised gamma
curves and enable soft contrast in black scenes to be
enhanced, together with hard contrast and saturated
colour in bright scenes. The matrix and gamma
sequence is software programmable for precise colour
matching.
Film-like characteristics
The pivoting knee circuit adapts both the knee point
and the compression ratio according to the highlight
content of the picture to emulate the softly limiting S-
shaped transfer characteristics of film. Digital True
Colour Knee circuitry maintains the correct hue for
compressed highlights, reproducing colours faithfully,
even overexposed skin tones.
Digital contrast circuitry provides a black stretch
function for more detail in black areas and a black
press function for improving the contrast impression
by simulating the S-curve of film.
SuperXPander
An optional SuperXpander enables the camera to be
used with large lenses so extending the camera's use
in studio and EFP situations.
Camera Head Versions
The camera head can be supplied in three different
versions depending on the type of sensor required.
The Frame Transfer CCD sensor version offers
superior performance and can handle highlights of up
to 600%. The 2/3-inch sensors have a high dynamic
range and high linear sensitivity over all camera lens
apertures. Frame Transfer technology ensures that
there is no lag nor smear.
The Frame Transfer DPM version uses Dynamic
Pixel Management which allows the format of the
sensors to be switched between 4:3 and 16:9 aspect
ratios at the touch of a switch without loss of horizontal
or vertical resolution. The 1000 pixels per line in both
formats ensures that there is no loss in the horizontal
viewing angle but also ensures high resolution in the
red, green and blue channels.
The Interline Transfer sensor version is a very cost-
effective camcorder that still provides superior digital
signal processing.
The Interline Transfer Wide (ITW) Switchable sensor
version is fitted with switchable aspect ratio IT CCD
sensors. This version enables the format of the sensors
to be switched between 4:3 and 16:9 aspect ratios at
the touch of a switch. Aspect ratio switching to 4:3
ratio is achieved by activating two horizontal side
panels.