Title

Reflection by Porro Prisms

Document Type

Article

Publication Date

2010

Abstract

Students all know that reflection from a plane mirror produces an image that is reversed right to left and so cannot be read by anyone but Leonardo da Vinci, who kept his notes in mirror writing. A useful counter‐example is the Porro prism, which produces an image that is not reversed.

Journal

The Physics Teacher

Volume

48

First Page

240