A dimmable lens display system , the system comprising: a display element , the display element being configured to emit light; a dimmable lens , the dimmable lens being disposed in the direction of light emission of the display element and being configured to transmit light emitted by the display element through the dimmable lens towards a viewer , the dimmable lens being dimmable in terms of the light transmission rate of the dimmable lens; and an automatic dimming control system configured to change said light transmission rate according to a plurality of light transmission incremental steps, wherein the automatic dimming control system comprises a feedback control system , a first light sensor and a second light sensor , the feedback control system being configured to adjust the light transmission rate of the dimmable lens based at least on the measured values of the first light sensor and the second light sensor, the first light sensor being an ambient light sensor configured to detect the ambient light in the vicinity of the display element and the second light sensor being a forward looking light sensor relative to said viewer , the forward looking light sensor facing forwards in the same direction as a forwards oriented view of the viewer past the display element , characterized in that the dimmable lens comprises a main segment through which said viewer views an image provided by the display element, and a separate segment , and the automatic dimming control system further comprises a third light sensor , the third light sensor being provided on the separate segment to determine the transmission rate of the dimmable lens at the separate segment , and the feedback control system being configured to adjust the light transmission rate of the dimmable lens based also on measured values from the third light sensor of the light transmission rate of the dimmable lens . a display element , the display element being configured to emit light; a dimmable lens , the dimmable lens being disposed in the direction of light emission of the display element and being configured to transmit light emitted by the display element through the dimmable lens towards a viewer , the dimmable lens being dimmable in terms of the light transmission rate of the dimmable lens; and an automatic dimming control system configured to change said light transmission rate according to a plurality of light transmission incremental steps, wherein the automatic dimming control system comprises a feedback control system , a first light sensor and a second light sensor , the feedback control system being configured to adjust the light transmission rate of the dimmable lens based at least on the measured values of the first light sensor and the second light sensor, the first light sensor being an ambient light sensor configured to detect the ambient light in the vicinity of the display element and the second light sensor being a forward looking light sensor relative to said viewer , the forward looking light sensor facing forwards in the same direction as a forwards oriented view of the viewer past the display element , characterized in that the dimmable lens comprises a main segment through which said viewer views an image provided by the display element, and a separate segment , and the automatic dimming control system further comprises a third light sensor , the third light sensor being provided on the separate segment to determine the transmission rate of the dimmable lens at the separate segment , and the feedback control system being configured to adjust the light transmission rate of the dimmable lens based also on measured values from the third light sensor of the light transmission rate of the dimmable lens . <EOS>