Beam Control

Drop-In Iris

City Theatrical Drop-In Iris is the simple way of changing the beam size of a fixed focus  ellipsoidal reflector spotlight.  Just drop in an Iris, adjust the handle to change the beam size from fully open to nearly fully closed.  We have Irises to fit a variety of popular lighting fixtures.

Drop-In Iris by City Theatrical


Part Number     Name   A   B   C   D
2180   Source Four Iris   4 25/32”   5 7/16”   1/2”   3”
2185   Source Four Jr. Iris   3 1/8”   4 9/32”   1/2”   2 5/16”
2186   Strand SL Iris   4 3/16”   5 3/16”   1/2”   3”

Additional Information

  • Offers precise, smooth control of beam size
  • Specially made leaves are tempered and heat resistant to over 1,000° F (538º C)
  • Made in the USA

City Theatrical provides a limited lifetime warranty on all of its manual Drop-in Iris product:


City Theatrical Iris Limited Lifetime Warranty

We will provide a lifetime warranty on any manual iris we manufacture subject to the following conditions:
  • Damage such as broken control arms or broken or cracked brass stampings that are caused by normal use (but not by misuse or abuse) are covered by this warranty.
  • Burned or warped leaves are not covered by this warranty.
  • Iris leaves that are damaged by pushing the leaves out of the control ring are not covered.
  • City Theatrical will repair or replace items under warranty at its discretion, and may replace damaged items with factory rebuilt irises.
  • Freight costs in both directions are the responsibility of the customer.
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