Mirror and associated structure for single lens reflex cameras

In a single lens reflex camera, mirror means having a viewing position, where said mirror means is inclined downwardly across an optical axis of a camera objective for directing an image of an object which is to be photographed upwardly to a viewfinder of the camera, and an exposure position, where said mirror means is situated above the optical axis while being substantially parallel thereto, said mirror means when in said viewing position thereof having a lower front edge situated beneath the optical axis and an upper rear edge situated above the optical axis rearwardly of said front edge, and moving means for moving said mirror means between said positions thereof, said moving means being operatively connected with said mirror means for first retracting said mirror means rearwardly and for then turning said mirror means upwardly when displacing said mirror means from said viewing position to said exposure position and for turning said mirror means downwardly and then displacing said mirror means forwardly when moving said mirror means from said exposure position to said viewing position, a mirror stop means engaging said mirror means for guiding the same during the initial retraction thereof when said moving means operates to move said mirror means from said viewing to said exposure position thereof and during the final forward displacement of said mirror means when said moving means returns said mirror means from said exposure position to said viewing position, said moving means including a lever means turnable about a lever axis which remains stationary with respect to the camera and a pivot means pivotally connecting said mirror means to said lever means for turning movement with respect thereto about a pivot axis which is parallel to said lever axis.