Donuts sharpen the definition of projected images by blocking unwanted light. Cuts down on haze. ThinLine Donuts are unique to the market by the material used in their construction – aluminum vs. steel. ThinLine donuts are much lighter than traditional steel donuts – and three times less expensive. All donuts are manufactured of .009" black, non-reflective, coated high-temperature aluminum.
Specifications: 6.25" square fits Source Four / Shakespeare / SL / Selecon profile ellipsoidals ■ Aperture size: id 2.5" ■ Size: 6.25"x6.25"x0.009" ■ Color: Black 7#9632; Material: Aluminum
Country Of Origin: United States
Warranty: 1 Year Limited