Patent ID: 7147370

Claim:
A light irradiator comprising: a light source; a light source supporting device which supports the light source replaceably; a first support device which supports the light source supporting device, wherein the first support device configured to adjust, in a first direction out of three directions perpendicular to one another, a position of the light source supporting device; a second support device which supports the first support device, wherein second support device configured to adjust, in a second direction out of the three directions, a position of the first support device, wherein the second direction is perpendicular to the first direction; a third support device which supports the second support device, wherein the third support device configured to adjust, in a third direction out of the three directions, a position of the second support device, wherein the third direction is perpendicular to the first direction and perpendicular to the second direction; a base to which the third support device is mounted removably in a predetermined positional relation; and a reflecting mirror provided on the base so as to deflect the direction of light emitted from the light source.