Light Tec Distributor of software for optical design, illumination, straylight, integrated optics and color measurements. http://www.lighttec.fr/ Lighttec.fr~Site InfoWhoisTrace RouteRBL Check
Stellar Software. Beam III, IV, optical raytracer for use by students and optical engineers. Windows and Mac versions available. http://www.stellarsoftware.com/ Stellarsoftware.com~Site InfoWhoisTrace RouteRBL Check