0 small binoculars that can be used in large theatres by people sitting far from the stage, so that they can see the performers more clearly -- 观剧镜（指看戏用的小型双筒望远镜）
The room should also contain long tubes, opera glasses, and microscopes.
According to these figures this subject clearly has rightward stress on morning p' per a ' and leftward stress on opera glasses, as indicated by the acute accents.
It is stuck up somewhere about 10 feet or 12 feet above the level of the floor, where it cannot be read or seen without opera glasses.
Most are sized to be held using both hands, although sizes vary widely from opera glasses to large pedestal mounted military models.
The public were charged admission and provided with opera glasses to examine the painting's details.
The design of many modern opera glasses of the ornamental variety is based on the popular lorgnettes of the 19th century.
Alone up there with thousands of eyes peering at me -- opera glasses raised for a closer look, and the unasked but heavily felt question what's he going to do?
