Projection device of the application reflected for lighting light background and a black background

摘要

The present invention relates to a device for spraying application reflected for lighting light background and a black background. / p & & p & this device, which is attached to the foot 2 of a microscope comprises a sleeve on illumination 7 which comprises, in its part located between the light source 8 and an optical return element 11, an opening 13 in which it is possible to introduce a insertable interchangeable modules 14, 15, which may be induced one after another in the beam of rays 9 and the shapes of the functional groups of elements comprising a plurality of optical elements influencing the rays. A central locking device can be bring to pivot in the beam of rays 9 by means of a further means 28, 29. / p & & p & the invention is used for the work of research in the industry of semi - conductors.