| 摘要 |
PROBLEM TO BE SOLVED: To correct an error in focus detection caused by the inclination of an image sensor by an easy method. SOLUTION: An image reformation lens 40 is bonded with a holder by holding plate type spacers 30, 30A and 30B between the lens 40 and the holder for a focus detection optical system and the image sensor 50 is bonded with the holder, whereby a focus detection optical system is constituted. The inclination of the light receiving surface of the sensor 50 is corrected by providing plural projections 45a to 45d on the surface of the lens 40 on the holder side and selectively notching the parts of the spacers 30, 30A and 30B corresponding to the projections 45a to 45d in accordance with the inclination of the light receiving surface of the sensor 50 to the holder. |
