Abstract: An optical apparatus includes a lens movably supported, a driving part arranged to rotate for causing the lens to move, a moving mechanism arranged to cause the lens to move by the rotation of the driving part, and an adjusting mechanism arranged to cause the moving mechanism to move the lens for fine adjustment by applying rotational driving to the moving mechanism without recourse to the driving part.

Abstract: An optical apparatus comprising a movable optical member, a driving part for causing the optical member to move, a manual operation member capable of being operated to be moved, a first detecting part for detecting at least an operating speed of the manual operation member, a second detecting part for detecting a focal length of the optical apparatus and a control part for causing the driving part to act on the basis of an output of the first detecting part and being arranged to receive an output of the second detecting part and to vary an action of the driving part according to a change of the focal length.

Abstract: A first ball lace and a second ball lace, which is arranged at a position opposite to the first ball lace to sandwich a ball between itself and the first ball lace are coaxially assembled in a pencil shaped vibration driven motor or actuator, so that the second ball lace can be operated externally, and the rotational force of the ball can be output to an external device.

Abstract: A lens barrel incorporating electric parts such as motors. The lens barrel has a double-sided printed circuit board disposed such that its major plane extend substantially orthogonally to the optical axis. Chip elements such as circuit elements are mounted on the front side of the double-sided printed circuit board while flexible connecting members for connection to the electrical parts are provided on the rear side of the double-sided printed circuit board. A land for allowing electrical check of electric circuit is also provided on the rear side of the double-sided printed circuit board.

Abstract: In the disclosed arrangement circuit elements of a camera are structured and positioned within a camera grip which protrudes from a front portion of a camera body, thereby reducing the size of a camera body. In one embodiment a DC/DC converter and a remote terminal are positioned within the camera grip when such are used in a camera.

Abstract: In a single-lens reflex camera having a shutter device for opening and closing a shutter by causing the leading and trailing curtains of the shutter to travel, the shutter device is arranged away from an aperture toward a photo-taking lens; and the component members of the camera body including a film cartridge chamber, a spool chamber, sprocket, etc. can be laterally positioned to come within a projected image of the shutter device at least on the side of the aperture.

Abstract: A device for electrically connecting first and second members movable relative to each other, includes a flexible printed circuit board located between the first and second relatively movable members. The flexible printed circuit board has a first side piece and second side piece divided by a cutout made in the flexible printed circuit board. One of the first and second side pieces is bent about 180.degree. in the direction of the relative movement of the first and second members to form a turned "U" shaped portion. The first side piece has its free end portion fixed to the first member and the second side piece has its free end portion fixed to the second member, so that the displacement of the printed circuit board resulting from the relative movement of the first and second members is absorbed by movement of the "U" shaped portion.

Abstract: A photographic apparatus comprising an objective including a front lens unit for forming an image of an object and a rear lens unit, a beam splitter arranged between the front and rear lens units for splitting an optical path, a viewfinder including a roof type prism and an eyepiece and arranged on the optical path split by the beam splitter so as to observe the object image by the front lens unit, and an image receiver on which an object image of different magnification is formed by the objective.

Abstract: A film data reading device is provided with contacts for reading a data relative to a film from a data code part provided on a film cartridge. The contacts are arranged to be protrusible into and retractable from a cartridge loading chamber and to be retracted from the cartridge chamber when loading the chamber with the film cartridge.

Abstract: The disclosed display device has a number of display elements arranged in a row and successively driven so that a display film transport is presented as if the border of one film frame runs from one of two spools marks to the other in the same direction in which the film is actually being transported across the exposure gate. The display device also indicates whether or not a film cartridge is loaded in the camera.

Abstract: In the disclosed camera, a reading device in the camera body's cartridge chamber reads electrically sensible data from a cartridge by determining the existence of data at one location of a data carrying surface on the cartridge and optically reading the remaining electrical data at the location of another data carrying surface. A positioning device positions a movable carrier member which holds optical detecting elements a specific distance form the other data carrying surface. Preferably the determination of the existence of data is performed by electrically contacting the one location of the data carrying surface.

Abstract: An apparatus for adjusting the position of a light sensing element in a single lens reflex camera which carries out a partial light measurement by forming an image on the surface of the light sensing element with a light beam coming from a certain determined range on the focusing plate of a view finder by means of a condenser lens. The condenser lens and the light sensing element holding member are supported by a pentagonal prism holder and that the holding member is provided with a device for adjusting the position in such a manner that by adjusting the position of the light sensing element along two directions the light sensing element is made to exactly correspond to the light measuring range on the focusing plate.