Patent ID: 7446936

Claim:
An illumination device in a microscope, comprising: a first, a second and a third light source disposed on a mirror housing; a mirror rotatably disposed in the mirror housing and configured to selectably switch each of the first, second or third light sources into an illumination beam path; and at least one drive system configured to rotate the mirror so as to switch one of the light sources at a time into the illumination beam path, wherein the mirror is disposed on a rotatable mirror holder, the mirror holder including a first and a second receptacle for the mirror, the first and second receptacles being configured for reversible receiving and reinsertion of the mirror, wherein the mirror is rotatable between a first and second position when it is disposed in the first receptacle, in the first position the mirror switching the first light source into the illumination beam path, in the second position the mirror allowing the second light source to be switched into the illumination beam path, wherein the mirror is rotatable between another first and another second position when it is disposed in the second receptacle, in the another first position the mirror switching the third light source into the illumination beam path, in the another second position the mirror allowing the second light source to be switched into the illumination beam path.