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Thread: Questions regarding sensor cleaning

  1. #1

    Question Questions regarding sensor cleaning

    Hi Guys,

    If the dust can be visible on 17mm but not 35mm.. so it's on the lens right?

  2. #2

    Default Re: Questions regarding sensor cleaning

    Quote Originally Posted by tokrot View Post
    Hi Guys,

    If the dust can be visible on 17mm but not 35mm.. so it's on the lens right?
    It also depends on how far you have stopped down your lens. At f/5.6 and below, dust bunnies are usually invisible but at smaller f-stops (larger numbers) the gradually become more visible.

    Try shooting at the sky with f/16 or more for both lenses and compare again.

    _

  3. #3

    Default Re: Questions regarding sensor cleaning

    Quote Originally Posted by deadpixel View Post
    It also depends on how far you have stopped down your lens. At f/5.6 and below, dust bunnies are usually invisible but at smaller f-stops (larger numbers) the gradually become more visible.

    Try shooting at the sky with f/16 or more for both lenses and compare again.

    _
    both shoot at f22 actually....

  4. #4

    Default Re: Questions regarding sensor cleaning

    Quote Originally Posted by tokrot View Post
    both shoot at f22 actually....
    Hmmm...yeah, in this case it is likely to be on the lens, though it has to be a pretty big piece of dust to be visible on the image taken with a wideangle lens.

    _

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