Panasonic NV-GS75 Benutzerhandbuch

Seite von 12
Conventional Lens
  
Low-Dispersion Glass
 (GS250)
  
14 Multi-Coated Lens Surfaces
 (GS250)
New Lens
Chromatic
Aberration
Chromatic
Aberration
Light
Light
Aspherical Lenses
O.I.S. Lenses
Approx. 1/3
3CCD
1CCD
CCD
CCD
Optical Axis
Optical Axis
Dichroic Mirrors
G
CCD
R
CCD
B
The  camera's  CCD  (charge-coupled  device)  plays  a 
critical  role  in  picture  quality.  That's  why  Panasonic 
chose  a  3CCD  camera  system  –  the  type  used  in 
professional video cameras. In this advanced system 
the incident light is split into its three primary colour 
components (red, green and blue), and the resulting signal from each is collected 
by  one  of  the  three  CCDs.  The  GS250’s  3CCD  system  features  a  total  of  800,000 
pixels times 3. It captures moving pictures with an effective 630,000 pixels times 3 
and  still  pictures  with  an  effective  710,000  pixels  times  3,  which  provides  highly 
detailed  colour  information.  Compared  with  conventional  1CCD  camera  systems, 
Panasonic's advanced 3CCD system gives you greater beauty three different ways: 
in colour, detail, and gradation.
Leica is renowned by photographers everywhere as a maker of superb 
cameras 
and  lenses.  Now  this  legendary  optical  technology  fuses  with  Panasonic's  advanced 
digital technology in the Leica Dicomar lens. The GS250's brilliant new lens features 13 
lens elements in 9 groups and uses low-dispersion optical glass to reduce chromatic 
aberration  to  about  1/3  the  level  of  conventional  lenses.  A  special  multi-coating 
process is applied to 14 lens surfaces, minimising harmful reflection to deliver crisp, 
clear images free of flare and ghosting. 
*Leica  is  a  registered  trademark  of  Leica  Microsystem  IR  GmbH,  and  Dicomar  is  a  registered   
  trademark of Leica Camera AG.
Analogue
Signal
Processor
Noise-Shaping Filter
2D RGB Noise Reduction
3D RGB Frame
Noise Reduction
Advanced Pixel
Interpolation
System (AXIS)
Analogue
Signal
Processor
Noise-Shaping Filter
2D RGB Noise Reduction
3D RGB Frame
Noise Reduction
Advanced Pixel
Interpolation
System (AXIS)
Analogue
Signal
Processor
Noise-Shaping Filter
2D RGB Noise Reduction
3D RGB Frame
Noise Reduction
Advanced Pixel
Interpolation
System (AXIS)
Moving-Picture
Circuit
Still-Picture
Circuit
Detail, Contrast
and Colour
Correction
Reduces Noise
Pixel
Interpolation
Crystal Engine
Moving-
Pictures
Still-
Pictures
3D RGB Frame Noise Reduction
 
The  noise  reduction  system  uses  a  noise-shaping  filter  (first 
dimension)  to  remove  the  rough,  highly  visible  noise.  Next,  it  extracts  and  analyses  data  from 
several adjacent pixels in the horizontal and vertical directions (second dimension), and removes 
any  parts  that  it  determines  to  be  noise.  Finally,  the  process  is  applied  to  the  time  axis  (third 
dimension),  where  it  extracts  and  analyses  several  frames,  and  again  removes  parts  that  it 
determines  to  be  noise.  The  result  is  a  better  noise-reduction  performance  than  conventional 
systems provide. The noise reduction is particularly effective when shooting at low illumination, 
so you can capture clear, sharp images even at night or when lights are low.
AXIS (Advanced Pixel Interpolation System)
 
Quad-Density Pixel Distribution technology improves image precision by interpolating the signal 
for  areas  on  the  CCD  where  there  are  no  pixels.  AXIS  helps  reproduce  even  finely  detailed 
portions of an image, giving the picture a higher-resolution appearance.
Digital Signal Processing
 
This  new  configuration  consists  of  two  separate  image  processing  circuits,  one  for  moving 
pictures,  one  for  still  pictures.  Using  the  optimum  circuit  for  each  type  of  picture  makes  it 
possible to record both with outstanding quality.
Leica Dicomar Lens
O.I.S. Lens
3CCD
Crystal Engine
5
  
Quad-Density Pixel Distribution Technology
Shifted by 1/2 pixel vertically
Shifted by
1/2 pixel
horizontally
The green CCD image data is 
shifted by 1/2 pixel Ł
horizontally and vertically Ł
relative to the red and blue Ł
data, to double the 
pixel density in each Ł
direction.
2x
2x
Resulting in 
4x
 pixel density!
*The GS400 lens system comprises 14 lens elements in 10 groups, with a special multi-coating process 
applied to 16 surfaces. 
  The GS150 lens system comprises 10 lens elements in 7 groups, with a special multi-coating process 
applied to 12 surfaces. 
The same system that's used in professional 
broadcast cameras — 3CCD Camera System
GS250
GS75
GS400
GS150
GS250
GS75
GS400
GS150
GS400
GS250
GS150
Superior Leica-certified image quality
LEICA DICOMAR Lens
High-performance image processing
New Crystal Engine
You can take breathtaking stills as well
3.1-Megapixel Still Picture Recording
GS250
The  GS250  features  Quad-Density  Pixel  Distribution,  a  technology 
used in Panasonic's professional equipment. By distributing the pixels 
at  intervals  measured  in  submicrons,  this  technology  makes  it 
possible  to  position  four  times  as  many  pixels  as  in  a  conventional 
CCD.  As  a  result,  the  GS250  records 
3.1-megapixel  still  pictures.  It  captures  all  of  the 
outstanding detail, colour and sensitivity made possible 
by the 3CCD camera system.
*GS400: 4.0-Megapixel still picture recording
  GS150: 2.3-Megapixel still picture recording
  GS75: 1.7-Megapixel still picture recording
State-of-the-Art Imaging 
Technologies for 
Superior Pictures
H I G H - Q U A L I T Y   P I C T U R E S