Reverad opera binoculars, were made in Paris at the end of the 19th century. The binoculars are made of black painted metal, the part where the binoculars are held is covered with green/khaki felt. Between the two lenses, there is an axis on which a wheel is mounted for individual focus. The rings of the eyepieces bear the manufacturer's name and address. The binoculars were used by opera spectators to better focus on the character