Patent ID: 7009171

Claim:
A laser scanning microscope system comprising: at least one laser source; a microscope unit comprising at least a microscope main body, a stage on which a sample is laid, an objective lens which converges a light from a sample to form a parallel light, and a first image formation lens which converges the parallel light from the objective lens; a scanning unit disposed attachably/detachably with respect to the microscope main body, the scanning unit comprising: a optical scanning device which scans a laser light from the laser source; a pupil projection lens and a second image formation lens arranged so that the optical scanning device and a pupil position of the objective lens are optically conjugated; and at least one photodetector which detects light from the optical scanning device through a confocal pinhole, wherein the scanning unit is attached to the microscope main body so that an optical axis of an optical path branched by a deflection part disposed between the objective lens and the first image formation lens is aligned with that of the optical path of the second image formation lens.