Lens

Lens can mean different things:

Places
 Lens, Pas-de-Calais, a city in the north of France
 Lens (Belgium), a municipality in Belgium
 Lens, Switzerland, a municipality in Switzerland

Other
 Lens (optics), an optical instrument
 Camera lens
 Lens (anatomy), part of the eye
 Lens (genus), a genus of plants, commonly called lentils
 R.C. Lens, an association football team