Compact head-up display having a large exit pupil

The invention relates to a head-up display including an element (10) suitable for overlaying a first image of a scene (14) on a second image from a projection system, the projection system including a screen (24) and an optical system (26), the screen (24) being divided into sub-screens (24A, 24B, 24C), each of which display the second image, the optical system (26) including a set of optical subsystems (26A, 26B, 26C) positioned opposite each sub-screen (24A, 24B, 24C), the screen being positioned within the object focal plane of each optical sub-system (26A, 26B, 26C).