FOLDED PROJECTION SYSTEM FOR A FRONT OR REAR PROJECTOR

摘要

The invention relates to a projection system (4) comprising an image source (23) and an objective lens (20) for producing an imaging beam and producing a first image positioned therebehind, wherein a first image is offset from the center with respect to the imaging beam optical axis. The inventive system comprises a concave mirror (21) which is arranged after the first image on the imaging beam path and produces a second image on a projection plane (22) from the first image.