A sight is an optical device used to assist aim by guiding the eye and aligning it with the weapon or other item to be pointed. Various forms of sights exist, such as iron sights, red dot sights, and telescopic sights. For aircraft use there are also reflector sights and gyro gunsights.

Sights are used in firearms and in various measurement instruments.

A theatrical followspot sight is used to aim the large spotlights used to follow the talent on stage during performances. They attach to the spotlight usually by magnets and are easily calibrated. They differ from rifle scopes in that they often provide zero magnification. The operator sees a red dot in the sight and "lays" it over the talent to aim it.

See also

• Iron sights

Firearm components | Optical devices

Visier (Waffe) | 照準器 | Sikte | Прицел