Inside area
In order to illuminate the central gallery, eight "Thales" luminaires, 108 Watts and 120x60 cm each, have been specially designed and made. The luminaires have been installed inside on the building's wooden ceiling, which is 11m high and dates back to 1885.
They have been mounted onto specially made supports that have enabled their installation without causing the least harm to the woodwork of the ceiling.
The inside of the "Thales" luminaire is lined with a special membrane that absorbs the emitted light and all diffuses it evenly with 200-Lux intensity all over the 338 m2 central gallery of the museum. A double crystal interposed with a light-diffusing membrane covers the outside of the luminaire.
Concealed fluorescent "Euclides" luminaires have been used in order to illuminate a 12 m2 roman mosaic, covered by glass at a low level. These luminaires, combined with specially made reflectors, provide completely even lighting.
Outside area
LED lighting fixtures, equipped with triple reflectors capable of producing colours, have been used on all sides of the Museum. The fixtures offer an even and fully diffused light, despite being installed very close to the surface of the walls. 
The range of colours chosen is symbolically related to the views held by the ancient Greeks about the application of intense hues to their monuments, while the pattern of alternating colours has been selected with the aim of portraying the flow of time and in particular the change of seasons.
Lighting architect: Dr. Spyros Kontopoulos 

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