Patent ID: 6181471
Filing Date: 2001-01-30
Classification: G01B

Abstract:
An illuminating system for an image processing measuring apparatus, comprising a measuring apparatus main body having a table on which is placed an object to be measured; a vertical-incident illuminating device including a light source adapted to project a luminous flux emitted from said light source from a direction just above said object; an inclined-incident illuminating device removably mounted to said measuring apparatus main body and adapted to project a luminous flux on said object from an inclined direction; a ring-shaped incident illuminating device removably mounted to said measuring apparatus main body and adapted to project a ring-shaped luminous flux on said object; and switching means for switching the luminous flux emitted from said light source from said vertical-incident illuminating device to either of said inclined-incident illuminating device and said ring-shaped incident illuminating device.