Opaline glass pendant lamp, Germany 1970s

This pendant lamp has a large white opaline sphere and a blue metal frame and a blue plastic ceiling cap. It is equipped with a pull-out system, also in blue and equipped with 1 e 27 connection. The maximum length is 150 cm, the minimum height is 73 cm. The sphere has a diameter of about 25 cm. The item is in very good condition.