J. Phys. III France
Volume 5, Numéro 5, May 1995
Page(s) 641 - 645
DOI: 10.1051/jp3:1995151
J. Phys. III France 5 (1995) 641-645

A Study on Scaling Symmetrical Condenser-Objective Lenses

A.S.A. Alamir

Physics Department, Faculty of science, Assuit University, Assuit, Egypt

(Received 12 September 1994, accepted 2 February 1995)

Scaling down the dimensions of a conventional magnetic objective lens to reduce aberrations is studied in detail. The value of other aberration coefficients for optimum lens size corresponding to desired minimum aberration are estimated.

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