| 摘要 |
PURPOSE: To remove a ghost which occurs on an optical path connecting between different fields of view, and to enhance the accuracy of detection of a focal point adjusting condition by providing a light shielding member at a position where light paths connecting a refocusing lens corresponding to a second distance measuring field and a light receiving means corresponding to a first distance measuring field cross each other. CONSTITUTION: A light shielding member 100 is provided at a position where ghost light beams 160, 161 passing through a multi-hole diaphragm 60 and a refocusing lens 70 in a center distance measuring field, and being incident upon a sensor 90 in a peripheral distance measuring field, crosses a ghost light beam 162 passing through a multihole diaphragm 60 and a refocusing lens 70 in the peripheral distance measuring field, and being incident upon the sensor 90 in the center distance measuring field. A light shielding part 102 of the light shielding member 100 removes the ghost light beams 160 to 162 caused by light reflection upon the inner wall of a body block 120 located between a divided field lend and the refocusing lens and walls 32, 33 of the light shielding member 100, and further, is located for light shielding in a range where effective light beams in a plurality of fields of view are not affected by vignetting or the like. |
