Opera glasses

Magnification power below 5× is usually desired in these circumstances in order to minimize image shake and maintain a large enough field of view.

The design of many modern opera glasses of the ornamental variety is based on the popular lorgnettes of the 19th century.

Often, modern theatre binoculars are equipped with an LED flashlight, which makes it easier to find a place in the dark.

In addition to the more stereotypical binocular type, folding opera glasses were another common design.

They were made mostly of metal and glass, with a leatherette cover for grip and color.