Patent ID: 8144217

Claim:
An image sensing apparatus comprising: an image sensing element includes a first light receiving area and a second light receiving area which are formed on an image pickup surface of a semiconductor substrate by a plurality of divisional joint exposure operations, wherein the image pickup surface has on-chip color filter layer and on-chip micro lens layer on a semiconductor layer, wherein there is a shift between the on-chip color filter layer and the on-chip micro lens layer of the first receiving area and the on-chip color filter layer and the on-chip micro lens layer of the second light receiving area, and wherein pixel signals obtained by the first light receiving area and the second light receiving area are read out from the image sensing element via a same channel; a correction device which corrects difference between output levels of pixel signals output from the first light receiving area and the second light receiving area via the same channel, wherein the difference between levels of the signals is a level difference caused by the shift between the on-chip color filter layer and the on-chip micro lens layer of the first receiving area and the on-chip color filter layer and the on-chip micro lens layer of the second light receiving area; and a control device which controls to write a signal corrected by said correction device to a frame memory.