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Thread: Sensor Question

  1. #1

    Default Sensor Question

    Hi

    I just realized that the images taken by my camera camera shows bright spots (all sorts of colours) when I shoot in bulb mode (~60sec) at night. To confirm, I shot with the lens cover on (with the same settings) and see the same spots again. Are these spots call dead pixels on my sensors?

    Cheers

  2. #2

    Default Re: Sensor Question

    It's long exposure noise. When the sensor is active, it's being heated up. And it will produce the noise.

  3. #3

    Default Re: Sensor Question

    Quote Originally Posted by Zeddy View Post
    It's long exposure noise. When the sensor is active, it's being heated up. And it will produce the noise.
    But there are only a few spots, not covering the whole image.

  4. #4

    Default Re: Sensor Question

    Hot pixels. http://www.kenrockwell.com/tech/hot-pixels/index.htm
    Comes with long exposure, which heats up the sensor.

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