New for 2003, diffuse (uniform) light sources from monochromatic LED sources and traditional sources (Tungsten-Halogen, Halide, Xe). Please call the design engineer for this product at (877)928-5834x13 with your requirements! Currently available configurations: Monochrmatic 1mW to 5mW output from 370nm to 1000nm (~30 different wavelengths available); bandwidth of 25nm to 35nm. Narrow bandwidths 10, 5, 1, and .5nm available. 5, 20, 30 and 150 Watt Tungsten-Halogen 100 Watt Halide 175 Watt Xenon Picture shows 4" ISQ-040, and 20 Watt ASBN-020 Tungsten-Halogen configuration.