Survey objective

摘要

The invention relates to a survey objective for microscopes particularly for the fast changeover from a survey observation of considerable large object fields with high imaging quality to microscopic imaging through objectives of conventional magnification. The invention survey objective is a bipartite lens system, constituted of a first lens member mounted on the lens turret in unit with the microscope objectives also mounted thereupon, and a second lens member switchably arranged in the microscope tube.