City Theatrical has launched 20 new beam control accessories thus far in 2022, many of which are designed to fit ETC’s Source Four LED Series 3 lighting fixtures. Our beam control accessories that fit these lenses include: Adapters, Barndoors, Beam Bender, Color Extenders, Color Frames, Concentric Rings, Cross Baffle Top Hats, Donuts, Drop In Boomerang, Egg Crate Louvers, Image Multiplexer, Mainframes, Stackers™ Tapered Top Hats, Stackers™ Tapered Half Top Hats, Standard Top Hats, and Standard Half Top Hats. To learn which Beam Control Accessory Size will fit your ETC Standard, EDLT, or XDLT Lens by degree and type, see our Beam Control Accessory Sizing for Source 4 Series 3 Lenses Chart.