An array of performance aperatures may be specified to enhance the working environment from 90 degrees to 270 degrees. 

Shown is the 6" Damp Location ALC6 Series.  Offering 18W & 30W LEDs static and RGB DMX control.  Metal Halide in both 250W and 400W along with 3M optical film in 90, 120, 180 and 270 degree performance optics.