Patent ID: 8649070
Filing Date: 2014-02-11
Classification: G02B,H04N

Abstract:
1. An image forming optical element in which an incident unit having a first lens face to which a light beam output from an object is input, an output unit having a second lens face outputting the light beam, and a bent unit connecting the incident unit and the output unit at an angle are integrally formed into a transparent medium, wherein the bent unit has a reflection face reflecting an incident light beam input to the first lens face and guiding the incident light beam to the second lens face, and wherein an intermediate image of the object is formed once in the bent unit or the output unit, the intermediate image being formed at a focus position between the reflection face and the second lens face closer to the reflection face than to the second lens face, the intermediate image being used to form an erection image of the object on an output side of the second lens face.