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Gam GCJR1520  Extra CTB Blue Cine Filter (24x198"  Roll)

Gam GCJR1520 Extra CTB Blue Cine Filter (24x198" Roll)

Gam GCJR1520 Extra CTB Blue Cine Filter (24x198" Roll)

B&H # GA1520JR MFR # GCJR1520
Gam GCJR1520  Extra CTB Blue Cine Filter (24x198"  Roll)

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Overview
  • 1Description

This is a GAM GCJR1520 Extra CTB Blue Cine Filter. CTB filters help you achieve proper color balance when using strobes or HMIs under incandescent lighting conditions. These filters will help raise the color temperature to match true daylight (5500 Kelvin).

CTBs are available in various "steps" - each one a different temperature rating. As individual incandescent lamps vary in color temperature and with their operating voltage, CTBs are used to "tweak" the balance between the ambient light and the light source being employed to make the image (strobe, etc).

A full CTB will typically convert a 3200K light source to 5500K, i.e. normal daylight.

GamColor offers seven graduated steps of CTB filters to help you achieve the proper color balance - 1/8, 1/6, 1/4, 1/2, 3/4, full and extra
In the Box
Gam GCJR1520 Extra CTB Blue Cine Filter (24x198" Roll)
  • 24x198" Roll
  • Table of Contents
    • 1Description
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    Specifications
    Color Blue
    Grade Extra
    Dimensions 24x198" (61cm x 5 m)
    Light Loss 2 stops
    Transmission 13%
    Mired Shift -190
    Application Converts 2800K to nominal 10,000K. An over-correction filter designed for special applications.

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