Ingo Maurer 1966
With top-chromated bulb, 100 W, CRI 100, EEC E. Socket E27, max. 100 W, compatible with bulbs of the energy classes A++ - E.
For 230 or 125 volts
Cable length 200 cm.
Photos: Bulb on stairs, Tom Vack. Photo 'bulb in the shop window', Ingo Maurer GMBH Catalogue photo from the 1970s: Angelika von Mutius. Bulb Opal and giant Bulb (Opal) are no longer in production.