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Cine-Kodak U7 C.K.3 Haze Filter
The  Kodak U7 C.K.3 haze filter is a vintage, screw-in or drop-in filter designed for Cine-Kodak movie cameras. The "C.K.3" code indicates it is a specific color filter for use with color film, distinct from standard ultraviolet or haze filters for still photography.

Cine-Kodak U7 C.K.3 Haze Filter

$23.00 Regular Price
$18.40Sale Price

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  • Purpose

    - The filter absorbs some ultraviolet (UV) light and counteracts the excessive blue coloration that can be caused by haze, especially in aerial or marine environments.

    Color

    - As a C.K.3 filter, it has a yellowish tint to neutralize the blue cast and warm the overall color balance of the film. Early documentation for Cine-Kodak color filters notes that the CK-3 is a compensating filter that requires increasing the camera aperture by one stop to compensate for the light absorbed.

    Compatibility

    - The "U7" or "Series 7" designation refers to its size and mounting style, indicating it was designed for a specific set of Kodak lenses. The U7/Series 7 filters were unthreaded, requiring a special adapter ring or lens mount to hold them in place.

    Application

    - The filter was used with daylight-balanced film, such as Kodachrome, to correct for color balance in hazy or bright sunlight condition

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