light spots in the embodiment of fig3 the image forming plane of the objective lens 19 is used to dispose the disk 18 however the image forming plane of the objective lens 19 may also be disposed where a diaphragm for a light source in an illuminating system of a microscope is positioned furthermore although the beam splitter 11a of fig3 transmits the incident light beam 100 and reflects the light from disk 18 the beam splitter 11a may reflect the incident light beam 100 and transmit the light from the disk 18 in addition although one light spot is focused astride two adjacent detecting cells in fig4 one light spot maybe also focused astride four adjacent detecting cells advantageously the inventon eliminates the necessity of scanning the irradiating light beams by arranging the distance between the detecting cells and the distance between the light spots on the detector and by making each light spot focus within the area of a corresponding detecting cell respectively this makes construction of the confocal microscopic equipment simpler reduces costs and facilitates miniaturization since the time required in the prior art for scanning is eliminated by the invention the prior art limitation set by the pick up speed for confocal imaging is also eliminated thereby resulting in a higher speed operation by the invention furthermore advantageously the invention is more flexible in design since in the embodiment of fig3 the light collecting means such as the plate dr disk having the micro lenses can be disposed between the light source 100 and the pinhole array 18 so that efficiency of exciting light is improved considerably moreover advantageously the invention principles disclosed herein can be also applied to other areas of camera useage the foregoing.