Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The Optical Museum Jena is a scientific-technological museum. The Optical Museum Jena shows optical instruments from eight centuries. It gives a technical and cultural-historical survey of the development of optical instruments. The development of the city Jena to the centre of the optical industries since the mid-19th-century is integrated in the exhibition, connected with the lifeworks of Ernst Abbe, Carl Zeiß and Otto Schott.