turning a positive to a negative?????

Discussion in '35mm Cameras' started by max, Sep 9, 2006.

  1. max

    max Guest

    hi, i turned my photo from a pinhole camera from a negative to a
    positive, and i suddenly came up up with an idea. can i do the same
    thing that i did turning my negative to a positive but opposite so i
    can make a positive a negative? i seemed like a good idea. dos anyone
    have any good thoughts to this or times i should expose?
    max, Sep 9, 2006
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  2. Max-

    How did you do it? In the typical process, the sensitized material is
    developed to a negative after exposure. In order to develop it as a
    positive, you would partially develop it, reexpose it to a strong light,
    and then finish developing. (That is not exactly how it is done, just my

    A camera is a camera, even if it is a pinhole camera. If you are getting
    a positive image, you may be grossly overexposing. Try much shorter
    exposures and see what develops.

    Fred McKenzie, Sep 10, 2006
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