An image exposure device includes an image display device having pixels that emit light having a plurality of wavelengths; a photosensitive recording medium support portion that supports a photosensitive recording medium for recording an image of the image display device; a collimation portion that is disposed between the image display device and the photosensitive recording medium support portion and makes radiation light including the light having a plurality of wavelengths radiated from the pixels into first transmitted light radiated within a range of a first radiation angle narrower than a radiation angle of the radiation light; and a dichroic filter that is disposed between the collimation portion and the photosensitive recording medium support portion, and makes the first transmitted light including the light having a plurality of wavelengths into second transmitted light radiated within a range of a second radiation angle equal to or smaller than the first radiation angle.