The designers gave into the temptation to create two versions of the standing lamp:
one is traditional, the other more daring. After all, IRIS aims to satisfy the
widest variety of tastes and needs. IRIS P-2718 stands on an arc, the height
and length of which are adjustable. The polyester shade has glass at the
bottom and a white metal reflector with a small gap at the top, which
allows the light to shine upwards. It also has a dimmer control.
Hmax: 219 cm
Hmin: 195cm
Lmax: 204 cm
Lmin: 145cm
https://www.archiproducts.com/en/products/estiluz/led-arc-lamp-iris-arc-lamp_370445 
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