Rosco #4490 Filter - Green (3 Stop) - 48"x25'

Rosco CalColor #4490 Filter - Green (3 Stop) - 48"x25' Roll

Rosco CalColor #4490 Filter - Green (3 Stop) - 48"x25' Roll

B&H # RO4490R48 MFR # 103044904825
Rosco #4490 Filter - Green (3 Stop) - 48"x25'

Rosco #4490 Filter - Green (3 Stop) - 48"x25' Specs


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  • 1Description

Calibrated Color is a series of color effects lighting filters designed specifically to the spectral sensitivity of color film.

The series includes the primary colors Blue, Green and Red, along with the secondary colors Yellow, Magenta and Cyan followed by Pink and Lavender.

Each color is designed in four densities: 15, 30, 60 and 90, corresponding to the familiar 1/2, 1, 2 and 3 stop calibrations.

In color photography, three light-sensitive emulsion layers separately record the individual blue, green and red components of the spectrum.

CalColor filters adjust the transmission of these color components 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.

Table of Contents
  • 1Description
Color Green - 90 Density (3 Stops)
Size 48" x 25' (122cm x 7.6m) Roll
Transmission 18%, -2.4s
Application Photographic lighting filter equal to CC90G. Enhances green transmission by effectively reducing blue and red exposure by 3 stops. Heat resistant base. Deep dyed.
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