This appears in an opera glass or very small telescope not unlike Fig.
I could give Coralie an opera glass as a mark of my esteem, but a bracelet which she would wear on her arm would have another meaning!
An opera glass is discreet, it can be accepted by anyone; even a woman determined to impress my mind with her dignity and charm, as Coralie was attempting to do, upon our expedition.
So she came, and selected a gem of an opera glass.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "opera glass" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.