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Donut for Source 4 5°

Product Code: 2251
Manufacturer: City Theatrical

Price: $15.65
Your Price: $14.87


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Donut for Source 4 5° is used in the color frame slot of an ellipsoidal reflector spotlight to sharpen gobo projections. It reduces the aperture and sharpens the output of the fixture. There is some reduction in brightness to achieve this increase in sharpness but this is often a tradeoff that designers are willing to make.


  • Used to help bring templates into perfect sharpness
  • Durable black powdercoat finish
  • Fabricated from light gauge steel