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Thread: Blue cast on velvia.

  1. #1

    Blue cast on velvia.

    I recently shot a portrait on velvia, with the sun fully out at the front of the house late one afternoon. I took my subject round to the back of the house in the shade to shoot the portrait. When the film was processed (as I usaually process velvia) there was a considerable blue cast on the film. Any Ideas how this can happen, and how to avoid it happening in future?

    Regards

    Paul

  2. #2
    Moderator Ralph Barker's Avatar
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    Blue cast on velvia.

    The blue cast likely came from the big softbox you were using, Paul - that big expanse of blue sky. You might consider using a warming filter to counteract the predominance of blue light.

  3. #3
    Dave Karp
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    Blue cast on velvia.

    Ralph is probably right. In shadows, light tends toward the bluer (colder) end of the spectrum. Tiffen makes a filter, #812, that is supposed to be designed for this very application - portraits in outdoor shadows.

  4. #4

    Blue cast on velvia.

    Velvia is also a rather contrasty film, so the blue cast will be more pronounced than in something like Astia, or NPH. I use either an 81B or 81C depending on the situation, near a warm colored building, the 81B is just a little on the strong side (though easily fine tuned to correct color in post production), otherwise the 81C is ussually just about right. Never tried the Tiffen filter, sounds like a good idea to tune a product to that specific use, it's a pretty common thing to have to deal with.

    Peter

  5. #5

    Blue cast on velvia.

    Ralph, Dave and Peter, Many thanks for your informative replies. I too, like the sound of the tiffen filter and will be buying one at the earliest opportunity. I will give Astia a try too.

    Thanks again

  6. #6
    Dave Karp
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    Blue cast on velvia.

    Paul,

    Check out this website:

    http://www.tiffen.com/Filter_&_Lens_Brochure/BFILT_14_15.htm

    Look for info on the 812.

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