1. Fundamental considerations for zoom lens design (tutorial);Youngworth,2012
2. Design of zoom lenses;Yamaji,1967
3. Paraxial determination of the general four component zoom system with mechanical compensation;Kryszczynski,1995
4. Structural design of optically compensated zoom lenses using genetic algorithm;Pal,2009
5. Paraxial analysis of mechanically compensated zoom lenses. 1: Four component type;Tanaka,1982