Leica construes its market as consisting of eight segments: 
biology and medicine; materials sciences; microelectronics; 
surveying; photogrammetry; industry; defence; photography. 
Its vast range of products falls into eight areas, which have some 
correspondence with the market segments: microscopes; scanning 
electron microscopes; microtomes and ultramicrotomes; surveying 
instruments; photogrammetric systems; optronics for industry; 
optronics for defence; photographic and projection equipment. 
Turnover can be assessed according to five major product groups: 
microscopes is largest, followed by surveying, which includes 
photogrammetry; photography and defence are smaller, only about 
half as large as surveying, with industry smaller still. It may 
also be analysed according to regions, with Europe accounting for 
60%, America 28% and the Far East and Rest of the World 6% each. 
Fig. 2 The structure of Leica pic 
Fig. 2 shows the structure of Leica. To permit a proper 
understanding of the activities and products within Leica which 
are relevant to photogrammetrists, however, some clear explanation 
is required. The Industry and Special Products division, which is 
represented in many locations, including Aarau and Heerbrugg, 
supplies both products and components to a wide range of 
organisations. Amongst the products sold to industry, for 
example, are prisms for scanners and the Wild range of plotters, 
such as ТАЮ, TA3 0, TA4 0, TA41 and laser raster plotter. Defence 
products include not only sights and rangefinders but also high