A lenticular lens is an array of magnifying lenses, designed so that when viewed from slightly different angles, different images are magnified. The most common example is the lenses used in lenticular printing, where the technology is used to give an illusion of depth, or to make images that appear to change or move as the image is viewed from different angles.
Read more about Lenticular Lens: Lenticular Printing, Corrective Lenses, Lenticular Screens, 3D Television, Lenticular Color Motion Picture Processes, Angle of View of A Lenticular Print, Rear Focal Plane of A Lenticular Network