1. A device with an adjustable circular aperture, used to reduce the size of the beam of an ERS, followspot, or hard-edged moving light.
http://www.citytheatrical.com/la_2_info.htm#drop-in_iris
2. A model of asymmetric-reflector cyclight distributed under the brands Strand/Ianiro/Quartzcolor.
http://www.citytheatrical.com/la_2_info.htm#drop-in_iris
2. A model of asymmetric-reflector cyclight distributed under the brands Strand/Ianiro/Quartzcolor.
