Rosco's 1/4 Color Temperature Orange filter for subtle tungsten warming of daylight sources.
Definition
Rosco 3106 is Rosco's version of the 1/4 CTO (Color Temperature Orange) filter. This is one of the most commonly used filters in film production.
Technical Specifications
- Color Temperature Shift: approx. 300-400K towards warm
- Transmission: 85-88%
- Light Absorption: approx. 0.3 stops
- Material: Polyester gel or alternative substrates
- Heat Resistance: Limited to approx. 200°C
- UV Stability: Standard, not ideal for outdoor storage
Equivalent Filters
- Lee 206: Practically identical
- Manufacturer Equivalents: Various manufacturers offer similar filters under different names
Practical Application
Rosco 3106 is used for:
- Fine-tuning daylight: Gentle warming
- Mixed lighting harmonization: Adjusting daylight to artificial light
- Golden hour simulation: Authentic sunset effect
- Skin tones: Natural skin colors under daylight sources
Formats and Availability
Available in:
- Standard rolls: 0.5 meters × 5 meters and 0.5 meters × 15 meters
- Filter cuts: 0.5 meters × 0.5 meters and larger formats
- Special formats: Upon request for special holder systems
Storage Conditions
- Store cool and dry
- Protect from direct sunlight
- Roll storage is common
- Observe expiration date
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