Home » Photometricviewer.com - IES viewerIESviewer is freeware! The latest release of IESviewer (Version 3.6) is available now! IESviewer is the world's most popular photometric viewer. It lets you quickly view, find and convert photometric data files.1 Most of the features present in other viewers are present in IESviewer, including: view photometric curve description of the photometric files luminaire manufacturer luminaire catalog num
