Roscoe ½ Blue CTB Color Conversion Gel Filter - This filter is traditionally used to convert tungsten lighting to daylight. CTB (Color Temperature Blue) filters are available in a full spectrum of degrees (strengths) which, depending on your needs, can be used to either raise the temperature of your lighting or used to create different lighting interpretations.
CTB filters offer you complete control when shooting under tungsten lighting.
Features:
CTB filters offer you complete control when shooting under tungsten lighting.
Features:
- Heat Stable
- Deep-Dyed
- Excellent Color Transmission
Color
1/2 Blue
Size
20" x 24" (51x61cm) Sheet
Transmission
52%
Mired Shift
68
Application
Boosts 3200K sources to 4100K. A partial conversion to compensate for varying daylight conditions and voltage reduction, or to boost aging HMI lamps and yellowed soft lights.
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