Assertion: convex lens | /r/HasProperty | magnifying glass
Facets:
Source sentences:
text: A single convex lens mounted in a frame with a handle or stand is a magnifying glass.
text: For this reason, a single convex lens fitted to a frame or handle is called a magnifying glass or magnifying lens.
text: For this reason, a single convex lens fitted to a frame or handle is called a magnifying glass or magnifying lens.
text: A single convex lens mounted in a frame with a handle or stand is a magnifying glass.