LIGHTING SYSTEM FOR OPTICAL ELEMENTS, PROJECTORS AND PHOTOGRAPHIC ENLARGER Russian patent published in 1997 - IPC

FIELD: light engineering, can be used as a lighting system for searchlights, automobile head-lights, medical and industrial luminaries. SUBSTANCE: the system uses light source 1, in particular, a halogen lamp, additional mirror 2, main mirror 3 consisting of a set of concave spherical mirrors 31 and raster diffuser 4. All these components are positioned in the principal optical axis (0). IF this lighting system is additionally furnished with condenser system 5 and objective lens 7, it can be used in motion-picture projectors and photographic enlarges. EFFECT: enhanced effectiveness. 8 cl, 7 dwg