for preparing microfiche referring first to fig1 and 2 a shutter mechanism according to one preferred embodiment of the present invention is shown to comprise first and second shutter members x and y operatively carried by a camera housing not shown in a manner as will be described it is however to be understood that the camera housing has an exposure aperture shown by the broken circle a which exposure aperture a is positioned in alignment with the optical axis of an objective lens assembly not shown mounted on a lens barrel that is rigidly or interchangeably connected to the camera housing in any known manner the first shutter member x is shown to be comprised of a first shutter plate 10 of a shape having a pair of arms 11 and 12 outwardly extending in the opposite directions from the ends of the first shutter plate 10 while the arm 11 has a free end operatively accommodated within a sleeve 30 around which a solenoid coil c 1 is wound the first shutter member x is supported by the camera housing for movement between inoperative and operative positions by means of a shaft member 31 which extends through a guide slot 13 defined in the arm 12 it being understood that the length of the slot 13 fixes the distance between the inoperative and operative positions of the first shutter member x an opening 14 which can be brought.