A projecting apparatus with a shooting function for shooting a screen on which a projection light is projected, comprising: a projecting section including: an image converting section for converting image information to projection light, and a projection optical section including a position adjustable lens for projecting the projection light representing an image converted by the image converting section onto a screen; a camera section including: an imaging section for imaging an optical image of the screen on which the projection light is projected, and an imaging optical section including a position adjustable lens for forming an optical image to be imaged by the imaging section; characterized by a control section for controlling a lens position of the imaging optical section in synchronization with a lens position of the projection optical section by forwarding a position value to the imaging optical section corresponding to a position value obtained from the projection optical section, or by simultaneously providing position values to the projection optical section and to the imaging optical section, and by further comprising an imaging-side driving section (74, 75, 76) for driving the imaging optical section, wherein the control section causes the imaging-side driving section (74, 75, 76) to drive the lens position of the imaging optical section to a position according to an adjusted lens position of the projection optical section, thereby controlling a zoom ratio of the imaging optical section to a zoom ratio corresponding to a zoom ratio of the projection optical section. a projecting section including: an image converting section for converting image information to projection light, and a projection optical section including a position adjustable lens for projecting the projection light representing an image converted by the image converting section onto a screen; an image converting section for converting image information to projection light, and a projection optical section including a position adjustable lens for projecting the projection light representing an image converted by the image converting section onto a screen; a camera section including: an imaging section for imaging an optical image of the screen on which the projection light is projected, and an imaging optical section including a position adjustable lens for forming an optical image to be imaged by the imaging section; characterized by a control section for controlling a lens position of the imaging optical section in synchronization with a lens position of the projection optical section by forwarding a position value to the imaging optical section corresponding to a position value obtained from the projection optical section, or by simultaneously providing position values to the projection optical section and to the imaging optical section, and by further comprising an imaging-side driving section (74, 75, 76) for driving the imaging optical section, wherein the control section causes the imaging-side driving section (74, 75, 76) to drive the lens position of the imaging optical section to a position according to an adjusted lens position of the projection optical section, thereby controlling a zoom ratio of the imaging optical section to a zoom ratio corresponding to a zoom ratio of the projection optical section. an imaging section for imaging an optical image of the screen on which the projection light is projected, and an imaging optical section including a position adjustable lens for forming an optical image to be imaged by the imaging section; characterized by a control section for controlling a lens position of the imaging optical section in synchronization with a lens position of the projection optical section by forwarding a position value to the imaging optical section corresponding to a position value obtained from the projection optical section, or by simultaneously providing position values to the projection optical section and to the imaging optical section, and by further comprising an imaging-side driving section (74, 75, 76) for driving the imaging optical section, wherein the control section causes the imaging-side driving section (74, 75, 76) to drive the lens position of the imaging optical section to a position according to an adjusted lens position of the projection optical section, thereby controlling a zoom ratio of the imaging optical section to a zoom ratio corresponding to a zoom ratio of the projection optical section.