Panasonic AG-HPX502 Брошура та технічні характеристики - Сторінка 4
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Друкувати сторінкуProfessional HD Quality
Progressive 3CCD and 2/3-inch Interchangeable Lens System for Full-Fledged HD Video Production
2/3-Inch Interchangeable Lens System
The 2/3-inch bayonet mount allows use of a wide assortment of
broadcast and professional lenses from a number of companies*.
2/3-inch zoom lenses make it easier to capture the shallower depth
of field often used in professional videos.
Chromatic Aberration Compensation (CAC)
Chromatic Aberration Compensation (CAC) function is a new
feature in the AG-HPX502. This exclusive technology sets up a
conversation between lens and camera which allows for a highly
sophisticated algorithm to be deployed which will automatically
compensate the registration error that is caused mainly by lens
chromatic aberration, and minimize the circumjacent blur.
Full screen image (simulated**)
Progressive 3CCD
The AG-HPX502's 2/3-inch progressive 3CCD* has a larger light
receiving area for higher sensitivity, and achieves an optimal
balance among image quality, sensitivity and cost.
Interlace scanning frame image (simulated**) Progressive scanning frame image (simulated**)
**
"Simulated" images were produced in order to describe the function. It is not a screen capture of an actual image. It differs from an actual image in that the effect of the function has been
emphasized for easier understanding.
CAC OFF (simulated**)
CAC ON (simulated**)
The camera process scans at full 1080/60 (or 50) progressive frames
a second. It is this initial capture that is the foundation for all of the
formats that this camera generates. While the camera does not
record 1080P/60(or 50), the signals start there and are either cross
converted or down converted to the format being utilized that day.
* The effective image size of the CCD is equivalent to 2/3.2 inches.
A.P.T for Higher Image Quality
Advanced progressive technology (A.P.T) produces higher total
image quality by linking the progressive 3CCD camera system with
a high-performance digital signal processor (DSP). In A.P.T, an
extremely accurate CCD alignment process is used to offset the
pixels on the red and blue channels in both the Horizontal and
Vertical directions. This allows for additional resolution to be gained
from areas of the green CCD which are non-photo-sensitive.
The R, G and B color signals from the 3 CCDs are then sent through
a 14-bit A/D converter. Next, a 19-bit DSP performs a highly precise
calculation* on the signals to generate 1080/60P (50P) video
signals. The signals are then converted into HD or SD format and
recorded. By using these progressive video signals, with their
excellent vertical resolution, as source signals, a high level of image
quality is achieved that would be difficult to obtain by interpolating
from interlace scans.
* Called an advanced offset spatial process.
A.P.T (Advanced Progressive Technology)
R
14-bit
G
A/D
B
Progressive CCD
CCD Aquisition
Advanced Offset Spacial Process
1080/60P (50P) Signal Process
HD/SD
Format
DSP
(19-bit inner
Recording
processing)