CPC F21V 7/0033 (2013.01) [F21V 7/06 (2013.01); G02B 6/0008 (2013.01); F21W 2131/406 (2013.01)] | 15 Claims |
1. A lighting device that produces scenic effects comprising:
a light source assembly;
a light guide extending along a longitudinal axis and coupled to the light source assembly that defines a defined optical path;
a primary mirror arranged along the longitudinal axis facing the light source assembly to reflect the light beam coming out from the light guide; and
a secondary mirror facing the primary mirror to reflect the light beam reflected by the primary mirror towards an emission area surrounding the primary mirror,
wherein a primary reflecting surface of the primary mirror has at least one first portion having a first hyperbolic shape or a first aspherical shape of even order and degree equal to or greater than four and a secondary reflecting surface of the secondary mirror has at least one second portion having a second hyperbolic shape or a second aspherical shape of even order and degree equal to or greater than four, and
the primary mirror is surrounded by a hood element, which diverges towards the light source assembly and is configured to prevent loss of light radiation.
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