Image display device and projector

An image display device that modulates light from a light source on the basis of display image data to display an image, the image display device comprising:

• a first optically modulating device that modulates light from the light source;
• a second optically modulating device that modulates light from the first optically modulating device;
• a relay lens system including plural lenses, the relay lens system provided between the first optically modulating device and the second optically modulating device that forms an optical image of the first optically modulating device on a light-receiving surface of the second optically modulating device;
• and
• at least one reflecting optical device provided between the plural lenses, the at least one reflecting optical device being non-movable relative to the first optically modulating device.