When the multi-layer color film has not yet come before the shooting color photos of the camera used. With an ordinary camera, three color filter (red, green, blue), to shoot three times, respectively, red points are the end points at the end of the green, and blue sub - at the end. because of the color separation films shot three times overlapping requirements of very high accuracy is limited to shooting still life. To this end, they designed and manufactured a light color camera. Today, color camera in the ad plate area , there are still uses.

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