Periscope: meaning, definitions and examples

device use

A periscope is an optical instrument that allows the observation of objects from a concealed or protected position. It is commonly used in submarines and by military observers to view objects that are out of direct sight. The device employs mirrors or prisms to reflect light from the desired object into the viewer's eye or a camera.

optical instrument, spyglass, viewfinder.

Examples of usage

• The captain used the periscope to spot enemy ships.

• Submarines rely on periscopes to navigate stealthily.

• Children often make periscopes as a fun science project.

film usage

In film and photography, a periscope can refer to a device that provides a view of a scene from a different angle. This usage is generally less common compared to the military application.

Examples of usage

• The filmmaker used a periscope to capture the action from above.

• Innovative camera techniques included periscopes for dynamic shots.