Abstract: A lighting device for professional illumination. The device includes a main housing having a front opening, a first light source, a first reflector configured to receive at least a portion of light emitted by the first light source and to reflect at least a portion thereof, and a second reflector configured to receive at least a portion of light reflected by the first reflector and to reflect at least a portion thereof. The lighting device is configured to emit at least a portion of light reflected by the second reflector out of the lighting device through the front opening. The lighting device further includes an actuator configured to move the first reflector or the second reflector in relation to each other in response to a predetermined control signal.

Abstract: A lighting device configured for professional illumination. The lighting device includes a head and a component emitting oil fumes, and a fluid tight housing. An oil fume absorbing filter is arranged within the housing.

Abstract: A method of removing moisture from a closed environment of inside a LED based lighting fixture, comprises the step of utilizing an electrolysis based dehumidifying device (7, 9) to lower humidity level of inside said closed environment, a current being applied to the electrolysis based dehumidifying device (7, 9) whereby the electrolysis based dehumidifying device (7, 9) draws moisture out of said closed environment, through electrolysis.