FIELD: light engineering. SUBSTANCE: light has light source mounted for permitting movement with respect to optical axis of Fresnel lense in vertical or/and horizontal planes. The Fresnel lense is mounted inside the housing so that its shaped surface points away from the light source. The reflating layer is applied to the shaped surface of the Fresnel lense. EFFECT: enhanced reliability. 6 cl, 4 dwg
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Authors
Dates
1997-08-20—Published
1996-02-14—Filed