A lens replacement type imaging apparatus capable of replacing a taking lens comprises an imaging section which takes an image of a subject through the taking lens. A protective section is provided between the taking lens and the imaging section, and transmits light rays which have entered through the taking lens therethrough. A control section judges whether second cleaning processing is carried out in first cleaning processing which electrically performs cleaning processing for the protective section and the second cleaning processing which physically performs cleaning processing for the protective section. And a control section controls to inhibit the first cleaning processing when it is determined that the second cleaning processing is carried out by the control section.