IES lighting related pages

Some good links on IES Lights

http://www.cgarena.com/freestuff/tutorials/max/ieslights/index.html

IES files from lighting companies

Here are some IES files from a couple of lighting companies.

Lithonia Lighting http://www.acuitybrandslighting.com/library/photometry/ZipFiles/Lithonia_Lighting/Lithonia_Lighting.zip

Erco
http://www.erco.com/download/data/40_planning_luminaire/25_ies/00005_complete/erco_ies_en_us.zip

Free IES (lighting) viewers and editors

IES Generator 3
http://www.tom-schuelke.com/ies-gen3.exe

IES Generator 4
http://www.rip3d.net/downloads/html/009.htm

IES viewer
http://www.cgarena.com/freestuff/tutorials/max/ieslights/IESviewerSetup.rar