A Barlow lens reimages a virtual object into a magnified real image (en)
A convex lens forming a real, inverted image rather than the upright, virtual image as seen in a magnifying glass . This real image may also be viewed when put on a screen. (en)
A negative lens produces a demagnified virtual image. (en)
Real image of a lamp is projected onto a screen . Reflections of the lamp from both surfaces of the biconvex lens are visible. (en)