Color balance - Ektachrome 120 film

Discussion in 'Photography' started by Lunaray, Feb 22, 2004.

  1. Lunaray

    Lunaray Guest


    I just shot my first roll of 6x7 film (Ektachrome 200) and because it was of
    my daughter's wedding I wanted it back in a hurry, so I took it to a local
    place and they sent it out to their lab (got it back in two days). I'm sure
    that this lab isn't accustomed to doing 6 x7 film and the color balance was
    way off! I scanned the film and I was able to fix the color balance very
    easily in Photoshop by using the "Auto Color" adjustment, but my question
    is: isn't film processing pretty straight forward for transparency film?
    I can understand how color balance could easily be off with negative
    film because of the need to add the correct filtration for printing the
    negatives, but with transparency film it should be a pretty straight-forward
    process, with no filtration variables involved. Any thoughts on this?

    I don't think I'll take my film there anymore :)

    Lunaray, Feb 22, 2004
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  2. Lunaray

    . Guest

    One thing that can be said here is HASTE MAKES WASTE. With such a low volume
    of slide film being processed any more by the local labs I would think that
    you fell victum to old chemistry.
    ., Feb 22, 2004
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  3. Lunaray

    GaryT Guest

    but with transparency film it should be a pretty straight-forward
    You're correct in thinking that there's no filtration involved in the
    processing of E-6 film. Nor is there any after processing correction as
    there would be with color negative film. As such, all things being equal,
    the film will record the coloration of the light that's there when you made
    the exposure. If for instance your exposures were made indoors under ambient
    light, the film will record the *true* color of the light. If the ambient
    indoor light was incandesant bulbs for instance, the film will give very
    warm/orange/yellow coloration. Even if it was outside, in certain
    conditions, transparency film can give unexpected results. Open shade for
    instance will yield very cool pictures. Sunset, especially at this time of
    year can give very warm results. E-6 can also be especially sensitive to
    whiteners used in wedding gowns and render them bluish even when exposed in
    *neutral* light. In most out-door or strobe situations though, E-6 will work
    just fine, even if its exposed at above or below its optimum color
    temperature light. For critical color rendition, however, you need to be
    aware of the specific color temperature of the light that you're exposing it
    in, and make corrections at the time of exposure if necessary.

    Glad to hear that you were able to salvage the wedding pictures.

    GaryT, Feb 22, 2004
  4. Lunaray

    Lunaray Guest

    Thanks Gary,

    Maybe it was just because of the lighting, the wedding was outside on the
    beach, in full shade (about 10:00 AM) and everyone but the preacher was
    dressed in white and khaki. Thank god for Photoshop :)
    Lunaray, Feb 22, 2004
  5. Lunaray

    GaryT Guest

    Early morning shade would produce noticeably cool images with any daylight
    balanced film. I typically shoot with an 81 A or B filter to warm things up
    a bit.

    GaryT, Feb 23, 2004
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