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cmos & cdd - Photography

Hi CDD's are suffering hot or dead pixels to some point BUT is this the same with CMOS, does it have the same 'problem'? I have CMOS but so far noticed just some occasional dust particles on the sensor. Ben...

  1. #1

    Default cmos & cdd

    Hi

    CDD's are suffering hot or dead pixels to some point BUT is this the same with CMOS, does it have the same 'problem'?
    I have CMOS but so far noticed just some occasional dust particles on the sensor.

    Ben
    Pena Guest

  2. #2

    Default Re: cmos & cdd


    "Pena" <com> wrote in message news:bfd8ab$9du$kolumbus.fi...
    Hi

    CDD's are suffering hot or dead pixels to some point BUT is this the same with CMOS, does it have the same 'problem'?
    I have CMOS but so far noticed just some occasional dust particles on the sensor.

    Ben

    I think you need to get your terminology straight before you ask your question.

    Gary Eickmeier
    Gary Guest

  3. #3

    Default Re: cmos & cdd

    Pena writes:
     

    Yes. Any technology that requires active electronic components at
    permanently fixed photosites is going to have this problem.

    The only solution is tight quality control to make sure that all pixels
    are flawless before the sensor leaves the factory, and careful use of
    the sensor afterwards to avoid damage to the photosites (don't point it
    directly at the sun for long periods, for example).

    Because quality control is very expensive, particularly at this early
    stage in digital-camera evolution, not all vendors exercise it, and
    sensors with bad pixels are often allowed to go out the door, especially
    in inexpensive cameras. If you've bought a high-end DSLR and it has
    defective pixels, though, take it back and demand a clean one. There's
    no excuse for even one bad pixel in a camera that cost you $8000.

    --
    Transpose hotmail and mxsmanic in my e-mail address to reach me directly.
    Mxsmanic Guest

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