Black arc lamp Lady Costanza with dimmer and telescopic arm From head to toe in black, the arc lamp Lady Costanza from Luceplan presents itself. For such a space-consuming lamp it is amazingly graceful. The base and rods are made of aluminium, the shade of polycarbonate. A telescopic device is built into the pole, which allows height adjustment from 217 to 250 cm. The 360-degree rotation of the pole allows the user to use the lamp in an extremely flexible way. The brightness can also be adjusted to the conditions. A touch dimmer is located in the rod that protrudes from the bottom of the screen. The Costanza series of lamps is a design by Paolo Rizzatto, who developed the first models as early as 1986. The series\' long-standing success has led to the addition of several models in 2008, including Lady Costanza.