This is for an Antique Negretti & Zambra Leather Theatre Opera Binoculars. They likely date from the late 19th to early 20th century. These antique opera glasses feature a brown leatherette-wrapped body with an ornate intertwined monogram on each side. The focus wheel turns smoothly, and the optics are functional, though expectedly aged. Engraved on the eyepiece rims: “NEGRETTI & ZAMBRA” “ADJUSTED IN” "LONDON" “OPTICIANS” This is a superb display piece or addition to any collection of vintage optical instruments. A great piece of British optical history. Dimensions & Weight: Width: 11cm Depth: 7.5cm Height: 4.5cm Weight: 176g Condition: Wear to leather and metal consistent with age Some tarnishing and surface marks
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