A lighting device , comprising: at least a light source , at least one reflector and a support structure , the reflector comprising at least a first reflector region , a second reflector region and a third reflector region , the light source on the support structure , characterised in that an entirety of the third reflector region is positioned on a side of a plane of emission of the light source that is opposite to a side of the plane of emission of the light source into which light is emitted by the light source, and the support structure is attached to the third reflector region , wherein the first reflector region , the second reflector region and the third reflector region are configured such that when the light source is illuminated: a first portion of light emitted by the light source is reflected by the first reflector region and then by the third reflector region , a second portion of light emitted by the light source is reflected by the second reflector region and forms a primary beam of light exiting the lighting device, the primary beam of light of a shape that is of a minimum cross-sectional area, at a first distance from the lighting device, that encompasses at least 75% of the light reflected by the second reflector region , and at least 5% of the first portion of light that is reflected by the third reflector region is within the primary beam of light. at least a light source , at least one reflector and a support structure , the reflector comprising at least a first reflector region , a second reflector region and a third reflector region , the light source on the support structure , characterised in that an entirety of the third reflector region is positioned on a side of a plane of emission of the light source that is opposite to a side of the plane of emission of the light source into which light is emitted by the light source, and the support structure is attached to the third reflector region , wherein the first reflector region , the second reflector region and the third reflector region are configured such that when the light source is illuminated: a first portion of light emitted by the light source is reflected by the first reflector region and then by the third reflector region , a second portion of light emitted by the light source is reflected by the second reflector region and forms a primary beam of light exiting the lighting device, the primary beam of light of a shape that is of a minimum cross-sectional area, at a first distance from the lighting device, that encompasses at least 75% of the light reflected by the second reflector region , and at least 5% of the first portion of light that is reflected by the third reflector region is within the primary beam of light. a first portion of light emitted by the light source is reflected by the first reflector region and then by the third reflector region , a second portion of light emitted by the light source is reflected by the second reflector region and forms a primary beam of light exiting the lighting device, the primary beam of light of a shape that is of a minimum cross-sectional area, at a first distance from the lighting device, that encompasses at least 75% of the light reflected by the second reflector region , and at least 5% of the first portion of light that is reflected by the third reflector region is within the primary beam of light. <EOS>