Roussel

H. Roussel, Opticien-Fabricant was a lens maker in the French capital Paris. In the early 20th century it advertised its symmetric lens constructions, for example double triplet lenses. The effect of those constructions against chromatic aberation was called "anti-spectroscopique" in French. Later, in the 1930ies, P. Roussel was named as constructor of the lenses on the company's lens list. At that time Roussel's lens names were Trylor and Stylor.

cameras with H. Roussel lens

• Pontiac Lynx Roussel
• Pontiac Baby Standard
• Pontiac Bloc Métal 45a, Bloc Métal 45sa
• Pontiac Bloc Métal 41
• Boumsell Azur