super ccd hr question

Discussion in 'Digital Photography' started by jimw075, Jun 30, 2005.

  1. jimw075

    jimw075 Guest

    It looks like the Fuji super ccd hr used on the F10 does a great job on
    400/800 iso settings, much better than any other digicam. Is there any
    chance this sensor will be used on cameras other than Fuji?
    Thanks, JW
     
    jimw075, Jun 30, 2005
    #1
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  2. jimw075

    SimonLW Guest

    Fuji finally came up with somthing with visible results. They are finally
    getting over calling cameras twice the resolution that they really are
    (interpretation). The new HR sensor with large and small cells at each
    photosite was supposed to improve dynamic range was no better than the
    typical competitor. Well, the F10 with low noise at ISO400 and still usable
    at 800 is a REAL step forward for compact digital cameras. They would be
    foolish not to use the technology across the compact camera line as it will
    give them a competitive edge. Next they or someone needs to figure out the
    dynamic range problem and give us a couple stops more latitude.
    -S
     
    SimonLW, Jun 30, 2005
    #2
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  3. Gene F. Rhodes, Jun 30, 2005
    #3
  4. jimw075

    JPS Guest

    In message <>,
    Many cameras are losing a stop because the native color balance of the
    sensor/CFA combo is not white. It seems that many Bayer filters cut a
    *lot* more red than green, with blue somewhere in-between, and most of
    the cameras do not do *anything* at all for white balance when
    digitizing the sensor image, so the red channel uses almost a bit less
    depth than the green, and its noise and posterization are spread into
    the other channels in the demosaicing process. Perhaps it would cause a
    speed problem, reading the sensor, but I think that if the sensor/CFA
    combe is a half stop less sensitive to blue, and a stop less sensitive
    to red, then it should amplify those channels differently, based on the
    white balance setting.

    For DSLRs, in general, the sensors are already more sensitive at ISO 100
    than the cameras are delivering. The limitation on the usefulness of
    the shadows in these cases is imposed more by the 12-bit digitization
    than the sensor itself, as is evidenced by the fact the the same
    shadows, when they are shot at the same f-stop and shutter speed at
    higher ISOs, have far more levels and detail than the ISO 100 shadows.
    --
     
    JPS, Jun 30, 2005
    #4
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