User manual MAMIYA M645 PRO TL

[. . . ] Instructions Congratulations on your purchase of the Mamiya 645 PRO TL Mamiya pioneered the 6 x 4. 5 film format and introduced the world's first 645 SLR in 1975. The 645 PRO TL is the latest masterpiece in this series and Incorporates all the latest mechanical, electronic and optical advances. Its external appearance, too, has been modernized and its ergonomic design further enhanced. We are sure that you will enjoy the many advantages this camera and its accessories offer and want to particularly mention : The 645 PRO TL has a built-in self-timer (delayed shutter release) which will also facilitate time exposures. [. . . ] Wind up the crank handle until it stops. In the film counter window, the number 1 appears, and the film and shutter are set. How to set the Shutter Speed Dial 1. Set the desired shutter speed against the white index line (A) on the shutter speed dial. At the red "A" (for Automatic) and AEL (for Automatic Lock) settings, the shutter speed dial is locked between these two positions. These settings will only function if an AE Finder is mounted on the camera. To release this lock push button (B) while turning dial. All while numbers are fractional seconds. @ Aperture Ring/Stop-down Operation * When the AE Finder is used, be sure to return the A/M lever to "A" (Auto), after having checked the effect of the manually set aperture. The AE finder measures the required exposure through the lens at maximum aperture and will give false results if lever is left in "M" position. Set the desired f/stop on the aperture Ring 6) by aligning the f/number with the red reference dot SC@ in the center of the Scale Ring. The Aperture Ring has a click stop for each f/ stop. In-between settings can also be used. The effect the set f/stop will have upon the picture area can be confirmed on the Finder Screen. Move the AM Lever on the lens so that "M" becomes visible-the lens then can be stopped down to the preselected aperture. 0 Focusing 4B While looking through the viewfinder, turn the lens Focusing Ring until the most important subject part appears sharp and clear. Focusing with the Standard Focusing Screen N Type E r- 1. The camera comes equipped with a bright, Type E, Rangefinder/Microprism Focusing Screen. It features a center, split-image rangefinder spot and the subject is in sharp focus when the split images combine into one. The microprism ring around the split-image center further facilitates focusing. The microprisms disappear only when the subject is in sharp focus. 3. The rest of the ground glass area can also be used for focusing. *Interchangeable F o c u s i n g Screens There are five additional focusing screens available for specialized applications. They are easy to interchange and come with instructions. Depth of Field Reading the Depth of Field Scale Depth of field is defined as the zone of sharpness before and behind the plane of focus. It depends on camera subject/distance, focal length of lens, aperture setting and distance the lens is focused at. ~11 16 22 1 I For example, with the 80mm f/2. 8N lens focused at 3m and the aperture set at f/22, the depth of field scale indicates that the zone of sharp focus will extend from about 2m to 6m. In addition to visual observation, the Depth of Field can be determined by using the Depth of Field Scale on each lens. [. . . ] Use neckstrap supplied with it, whenever possible. * Protect camera against rain and moisture. If it gets wet, wipe it with a soft, clean cloth. To remove dust use air blower or lens tissue. [. . . ]