Projection effect

Projection effect may refer to:


 * Front projection effect, in-camera visual effect
 * Rear projection effect, in-camera visual effect
 * Insolation, the amount of sunlight onto a portion of the Earth relative to its tilt
 * In astronomy, a type of observational illusion caused by viewing distant objects or phenomenon from a particular perspective. Examples include superluminal motion, the retrograde motion of the planets, and optical double stars.