Photographing light quantity controller for endoscope

A photographing light quantity controller for an endoscope, which is used to control the quantity of illuminating light when a photograph is to be taken through said endoscope, said controller comprising:

• a light source for supplying light, for illuminating an object to said endoscope;
• means for initiating and synchronizing a photographing operation;
• detecting means for detecting an illuminating condition in an observation state before a photographing operation is initiated and synchronized by said means for initiating;
• and
• control means for charging the brightness of illuminating light that is supplied from said light source to said endoscope during the photographing operation on the basis of a signal that is detected by said means for detecting an illuminating condition in the observation state.