The investigation of true and a focal zoom-lens properties of five-element cylindrical electrostatic lens
By: Hijazi, Nedhal S. A.; al-Shamma, Marwah T.; al-Hayyali, Zahrah M.. Rafidain Journal of Science. Vol. 21, no. 2 (Jun. 2010), pp.50-56, 7 p.
Subjects: Electron optics; Lenses