User manual MAMIYA 645 SUPER

[. . . ] Thank you very much for your purchase of the M645 Super. The Mamiya M645 Super is the latest 6 x 4. 5cm medium format SLR. This camera has been developed through Mamiya's expertise in the most advanced technologies and offers the quality of a large negative as well as the maneuverability and operating convenience normally found only in smaller cameras. In order to satisfy the demands of the professional photographer there is a broad assortment of accessories available the AE Prism Finder and its 3-way metering system, automatic Power Drive and a P o l a r o i d ® film back are representative samples of the M645 system accessories that make it possible to further expand the scope of your photography. [. . . ] 30 equals 1/30 sec. ) The yellow B represents BULB. When the Shutter Speed Dial is set to B, the Shutter remains open as long as the Shutter Release Sutton is depressed. The red 60 (1/60 sec) represents the highest permissible shutter speed for electronic flash synchronization. These marks are used with the AE Prism Finder N. (When the Prism Finder N and Waist Level Finder N are attached, and the dial is set at 0 or 5. the effective shutter speed is 1/1000 sec). Set the Shutter Speed Dial only to the click stop position. Using an intermediate positions will result in inaccurate exposure. i Align your desired shutter speed with the white alignment index 8. *In other than the 0 and 0 marks, the dial will rotate freely, and each shutter speed display will stop at the click point. When selecting shutter speed settings other than the C* and R marks, release the lock by pushing the button @ in fomt of the dial. Turn the Shutter Speed Dial to your desired speed. 18 *As an accessory, Mamiya offers Diopter Correction Lenses which can be attached to the viewfinders. Near and farsighted persons will find these accessories useful for obtaining accurate focus. *The Focusing Screen is interchangeable. To change screens, refer to the instruction manual supplied with the screens. While looking through the viewfinder, adjust the lens Focusing Ring until the most important part of the subject appears sharp and clear. Extremely accurate focusing is simplified by the split-image rangefinder spot located in the center of the Focusing Screen. (to use, match up the image on both sides of the split-image. ) The split-image rangefinder spot is surrounded by a microprism collar which fractures the image whenever it goes slightly out-of-focus. Consequently, this is an invaluable aid for pinpoint focusing accuracy. The outer ground glass ring (which encircles the microprism collar) can be also used for focusing. 19 AM (Auto/Manual) Lever Set the desired f/stop on the Aperture Ring @ by aligning the f/number with the red reference dot @. (The Aperture Ring has a click stop for each f/stop. In-between clicks can also be used. ) 1. In normal photography, set AM Lever so that character "A" is visible in the lever window. If you do so, the aperture will remain wide open, stopping the lens down only during shutter operation. Moving the AM Lever of the lens so that "M" is visible will stop the lens down to the preselected aperture, thus making it possible to confirm effect of the aperture through the viewfinder. 20 1. The Shutter Release Button @ is a 2-step type. [. . . ] (a) Check that the Dark Slide has been inserted. (c) Place the camera in the outside air only during the moment of exposure. 7. Precautions for AE Shooting (a) Set the film holder's Film Speed Dial to the sensitivity of the film to be used. 30 When the camera is not used for a long period of time, remove the battery and any film from the camera. Avoid storing the camera for prolonged periods of time in a damp or salty atmosphere. (Color film should be stored at the manufacturer's recommended temperatures, ) Since cameras are precision instruments, avoid shocks and rough handling. [. . . ]