French photography pioneer Charles Nègre created a 3D self-portrait using a "witch's mirror" - a clever piece of 19th-century ...

Concave Convex Mirror has been created for the Alt Material exhibition, part of NGV's Melbourne Design Week 2020. The framework of Concave Convex Mirror is made of mild steel spun over a custom ...

Instead of a concave lens near the eye, Kepler used a convex lens. The result was that ... Other scientists had speculated that using mirrors rather than lenses might correct this problem, but ...

⇒ A concave mirror can form a real and inverted image. When the object is placed very close to the mirror, the image formed is virtual, erect and magnified. ⇒ Image formed by a convex mirror ...