Microscope attachment camera

An attachment camera for microscopes, comprising an apparatus for measuring the brightness of an object detail and markings for sighting at least the detail metering field and the image field of the camera in the observation beam. The metering field markings and the image field markings are located on two separate plates, the plate with the metering field marking is defined by a measuring field stop. The two markings differ in size and shape and are simultaneously reflected into the observation beam by means of a photographic ocular located in the picture taking beam and by means of optical components with partly or fully reflecting surfaces located before or after the photographic ocular. A holder (5a) seating in exchangeable manner the photographic ocular (5) is provided between the housing (24) of the attachment-camera and the binocular tube (25).