magnifying glass
a piece of glass that make things look bigger off
AI overview
A magnifying glass is a curved piece of glass that makes objects appear larger when you look through it. It's useful for examining small details that are hard to see with your eyes alone, like tiny print or small objects.
AI-generated from the Wikipedia summary — may contain errors.
Article
A pen seen through a magnifying glass Jim Hutton as detective Ellery Queen, posing with a magnifying glass A magnifying glass is a convex lens—usually mounted in a frame with a handle—that is used to produce a magnified image of an object. A magnifying glass can also be used to focus light, such as to concentrate the Sun's radiation to create a hot spot at the focus for fire starting.
Evidence of magnifying glasses exists from antiquity. The magnifying glass is an icon of detective fiction, particularly that of Sherlock Holmes.