ETC Source Four Drop-In Iris Way of changing the beam size of a fixed focus ellipsoidal reflector spotlight.Product InformationUsed with ETC Source Four ellipsoidalOffers precise, smooth control of beam sizeManufacturer Info ETC Source Four Drop-In Iris See also different: Ellipsoidal Colorframe Ellipsoidal Donuts Source Four Gobo Holder Size (Multiple Sizes) << return to items