Rosco Roscolux #4230 CalColor Blue Filter, 24"x25' Roll, 1.3 Stop

Under the umbrella of professional photography and cinematography equipment, the Rosco Roscolux #4230 CalColor Blue Filter stands out as a high-quality, durable, and efficient tool for color correction. Specifically engineered to align with the spectral sensitivity of color film, this filter plays a crucial role in the intricate process of color photography.

In this process, three light-sensitive emulsion layers independently capture the individual blue, green, and red components of the spectrum. The Roscolux #4230 CalColor Blue Filter, with its 1.3 stop capacity, adeptly adjusts the transmission of these color components at the source of light. This adjustment is done in a reliable and predictable manner, offering the cinematographer or photographer versatile control over the coloration of the image as rendered by the film.

Ideal for balancing the color temperature of blue skies or other blue tones in a scene, this filter is designed to reduce the intensity of blue light while enhancing the intensity of other colors. The result is a more natural and balanced image, making the Roscolux #4230 CalColor Blue Filter an indispensable tool for professionals seeking to achieve optimal color correction in their work.