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Rosco 103
Lighting · Terms

Rosco 103

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rosco 101 rosco 132 rosco 104

Rosco diffusion gel with coarse texture — produces soft, slightly scattered light with moderate light loss.

Definition

The Rosco 103 is a straw color filter for film production and professional photography. The gel corrects artificial light to daylight color temperature.

Practical Application

This lighting element is used in various professional scenarios:

  • Color Correction: Adjusting color temperatures between different light sources
  • Light Control: Precise control of light intensity and quality
  • Effect Design: Creating specific visual atmospheres
  • Efficiency Improvement: Reducing post-production effort through precise on-set control

Technical Details

Important technical features include:

  • Corrects 3200K to 5600K color temperature
  • Transmission value: 53%
  • Available as sheets (20" x 24") or rolls
  • Heat resistant for tungsten lights

Practical Tips

  • Factor in a light loss of approx. 1 stop
  • Test different combinations for optimal results
  • Use a light meter for accurate quantification of light changes
  • Store dry and cool, protect from creasing

Professional Standards

In professional film and television production, standardized color filters are essential for:

  • Consistent color temperature across multiple shooting days
  • Quick adjustments without extensive rebuilding
  • Cost-effective production
  • Meeting the highest quality standards
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