Rosco CalColor #4990 Lavender Filter, 3 Stop, 24"x25' Roll
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The Rosco CalColor #4990 Lavender Filter (3 Stop, 24"x25' Roll) is designed specifically to the spectral sensitivity of color film. This filter color is designed in 90 density corresponding to the familiar 3 stop calibration. In color photography, the light-sensitive emulsion layer separately record the individual Lavender component of the spectrum.
CalColor filter adjusts the transmission of the color component at the individual light source in a familiar and reliable manner. As a result, the cinematographer can exercise selective and predictable control over the image's coloration as rendered by the film.
|Roll Size||24"x25' / 612cmx7.6m|
|Transmission||18%- -2.5 stop light loss|
|Application||Enhances blue and magenta transmission by 3 stops; heat resistant base, deep dyed|