ERECT VARIABLE POWER ARRAY LENS DEVICE

摘要

PROBLEM TO BE SOLVED: To obtain large variable power and to use a microlens array which can easily be processed by molding. SOLUTION: This device is equipped with the erect variable power lens 20 constituted by putting two microlens arrays 20a and 20b one over the other. Further, the device is equipped with a concave Fresnel lens 24 which is provided in contact with a display element 22 consisting of a liquid crystal display and refracts the light emitted by the display element 22 almost in parallel to change the direction of the light. Further, the device is equipped with an image formation surface 26 where an erect enlarged image is formed.