Two image pickup optical systems where revelation status of the ghost differs mutually the ghost detection device and the image pickup device which

摘要

It provides two image pickup optical systems, by the fact that among of adjustment methods of angle, resolution and production variation uncommonness trains one at least in at those time, image pickup doing under the same image pickup conditions, difference that it tries it occurs in revelation circumstance of the ghost. And, with step S1, those image pickup pictures are taken in, corresponding position of the section of subject is calculated with step S2, the picture of the aforementioned corresponding position is compared with step S3, the discernment section which is the gap in brightness value is decided as ghost place. Therefore, accurately, at the same time to detect in real time it is possible the occurrence position of the ghost.