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Rosco 104
Lighting · Terms

Rosco 104

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rosco 114 rosco 101 rosco 103

Silky-smooth diffusion gel by Rosco — scatters light evenly with no visible texture for natural, clean illumination.

Definition

Rosco 104 is a color filter from the Rosco series for professional luminaires. The filter corrects artificial light from 3200K to daylight (5600K).

Practical Application

The filter is used in the following situations:

  • Color Correction: Adjusting tungsten light to daylight sources
  • Mixed Lighting: Balancing different light sources in the same setup
  • Location Shooting: Matching artificial light to existing window light
  • Continuity: Uniform color temperature across different camera angles

Technical Details

  • Light Transmission: 60% (loses 0.7 stops)
  • Available as sheets (53cm x 61cm) or rolls
  • Heat resistant up to 232°C
  • Compatible with all standard filter holders

Practical Tips

  • Increase exposure by 2/3 stop when used
  • Mount the filter in front of the luminaire barn doors
  • Maintain distance from the bulb with hot tungsten lamps
  • Store dry and flat to avoid deformation

Professional Standards

In film and TV production, standardized color correction enables:

  • Consistent color reproduction across all takes
  • Reduced color grading time in post-production
  • Precise lighting planning with reliable transmission values
  • Compatibility between different production teams
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