The Mamiya M645 1000S is a new improved model of the M645, a camera widely acclaimed for bridging the gap between small and large format cameras by introducing the medium format, the purpose of which is to offer the world of larger-negative quality to camera users who are accustomed to the handling ease and compactness of 35mm SLR's. Every care has been taken to assure that your Mamiya M645 1000s will provide you with years of trouble-free service. However, to avoid possible mishandling, be sure to carefully read this instruction manual before using your new camera. Special Features of the Mamiya M645 1000s ................ 3 Specifications ........................................................................ 5 Names and Functions of Parts .......................................... 7 Testing to See if the Camera Functions Properly ........ 1 6 Interchanging Lenses ........................................................ 17 Interchanging Finders ........................................................ Focusing Screens .............................................................. Inserting a Battery .............................................................. Battery Check ....................................................................... Film Loading ....................................................................... Film advancing ..................................................................... Shutter Speed Dial .............................................................. Aperture Ring/Stop-down Operation .............................. Focusing ................................................................................ Shutter Release and Film Transport Mechanism ........ Unloading Film .................................................................... T h e Neck Strap .................................................................... Holding the Camera ........................................................... Using the PD Prism Finder S............................................. Using the CdS Prism Finder ............................................. 18 20 21 22 23 27 27 28 29 30 31 32 32 35 39 Using the Waist-Level Finder S ....................................... .. .. The Mamiya Moving Coil Electronic Shutter .............. Depth-of-Field ..................................................................... Using Flash ........................................................................... Multiple-Exposures ............................................................ Infrared Photography ......................................................... Mirror Lock-up ..................................................................... Using the Delayed Shutter Release ................................. Interchanging the Film Advance Crank ....... .................... Tripod Socket ........................................................................ Time Exposures .................................................................. .................................................................. Trouble-Shooting Precautions ........................................................................... Care of the Camera ............................................................ Mamiya-Sekor C Lenses ................................................... Depth-of-Field Table ......................................................... Accessories .......................................................................... 44 47 48 49 50 50 51 52 53 55 55 56 57 58 59 62 63 2 Special Features of the Mamiya ~.~ M645 1000S \ ' \ em-.__-~_--- -.-I~ .-. The Mamiya M645 is a 6 x 4.5cm large-negative SLR that is both extremely versatile and compact. 4. Large, Bright Viewfinder i . Large-Negative Quality The 6 x 4.5cm format offers approximately 3 times more area than the 35mm format. Moreover, unlike the 6 x 6cm square negative, there is little waste of the negative area. For beautiful color enlargements everytime, the 6 x 4.5cm format is the ideal format. It becomes easy to catch the peak of action when looking through the large, bright viewfinder. Because of the Mamiya M645's automatic diaphragm and quick-return mirror, the viewfinder never grows dim. It is always bright, ready for the next photograph. 5 a . Interchangeable Finders Lightweight, dual-function Waist-Level Finder S 2. Compact Design Despite the large-negative it produces, the Mamiya M645 is designed to handle as easily as a 35mm SLR. Its compact size and light weight are perfectly suited for the action photographer. It fits so well into one's hands that it becomes an extension of his reflexes, A compact and lightweight finder which opens and closes with a single touch, the Waist-Level Finder S is ideal for copying, close-ups, low and high angle pictures, and working in dim light. Additionally, it is instantly convertible to an eye-level sports finder which accurately shows the fields for the 80,110,150 and 210mm lenses, allowing one to easily follow the quickest action. 0 Prism Finder The Prism Finder is well-suited for action photography. Whether the vertical or horizontal format is utilized, focusing and following action is as easy as on a 35mm SLR. 0 PD Prism Finder The PD Prism Finder employs silicon cells for full-aperture, center-weighted readings. It is your assurance that every negative will be properly exposed. 3 3n Mamiya's Moving Coil Electronic Shutter Mamiya has developed a revolutionary Moving Coil Electronically Controlled Shutter for the Mamiya M645. Electrical consumption of this new shutter is approximately 1/10 that of previous electronic shutters. Furthermore, consumption remains constant regardless of the shutter speed being used. In addition to accuracy, long battery life is assured by this new shutter. a CdS Prism Finder with built-in meter Accurate through-the-lens exposure measurement is possible with the CdS Prism Finder which couples to the aperture of the lens and indicates the proper shutter speed to set on the camera. 6 . Flatness complete with meter coupling. l Multiple-Exposure Provision Merely lowering the multiple-exposure lever allows the photographer to take as many multiple-exposures as he wishes. During multiple-exposures, the exposure counter does not move. a Mirror Lock-Up The Mamiya M645 is designed to have minimal mirror shock; nevertheless, when it is necessary to completely eliminate vibrations, all you have to do is lock the mirror in the up position. To do so, simply lower the mirror lockup lever. Mirror lock-up provision makes close-up and telephoto photography possible even at slow shutter speeds. l Two Shutter Release Buttons The Mamiya M645 is equipped with two ideally located shutter release buttons, so that regardless of how you hold the camera, there is always a release button at your finger tips. a Built-in Delayed Shutter Release a Depth-of-Field Preview Lever A single touch on the Depth-of-Field Preview Lever, which is ideally located on the camera body, stops the lens down to the preselected aperture for direct viewing of the depth-of-field. 4 of the Film Plane Developed through Mamiya's long experience as a manufacturer of 120/220 roll-film cameras, the Roll-Film Inserts for the Mamiya M645 keep the film perfectly flat for edgeto-edge sharpness. Inserts are available for 120 or 220 roll-film. 7 . Multi-Coated Lenses Mamiya-Sekor lenses have achieved world-renown as professional lenses of exceptional contrast, high resolution, clear definition, and excellent color balance. All the lenses for the Mamiya M645, from wide-angle to telephoto, have been multi-coated to maintain their high standard of performance even under adverse lighting, 8 . Unlimited Scope A full range of accessories are available for the Mamiya M645 to assist the photographer in capturing virtually any type of image. Accessories include hand grips, interchangeable focusing screens, and auto extension rings - Specifications - --ll_-- ____ 0 Camera Body Camera Type: 6 x 4.5 cm electronic focal-plane shutter SLR. Film Type: 120 roll-film for 15 exposures, 220 roll-film for 30 exposures Actual Negative Size: 56 x 41.5mm (2-13/64" x1-41/64") Standard Lenses: Mamiya-Sekor C (multi-coated) 80mm f/1.9, automatic diaphragm, with meter coupler, 67mm filter size Mamiya-Sekor C (multi-coated) 80mm f/2.8, automatic diaphragm, with meter coupler, 58mm filter size Lens Mount: Mamiya M645 bayonet mount Shutter: B, 8-1/1000 sec. Moving Coil Electronic Focal-Plane Shutter, FP and X (1/60 sec.) synchronization, Shutter release lock and shutter speed dial lock provision Battery Type: One 6V silver-oxide battery 4SR44 (Eveready 544, UCAR 544, Mallory PX28) or 6V alkaline battery 4LR44 Focusing Method: Each Mamiya-Sekor lens is equipped with its own helicoid focusing mount Focusing Screen: The standard focusing screen, which is interchangeable, has three focusing aids, a central split-image rangefinder spot (wedge set at a 45° angle) surrounded by a micro-prism collar and outer ground glass ring. A Fresnel lens assures corner-to-corner brightness, and 94% of the picture-taking area is visible. Mirror: Instant return, with mirror lock-up provision Film Transport: A single revolution of the interchangeable film advance crank transports the film. The camera is equipped with double exposure prevention, but multiple exposure can be easily made. Exposure Counter: Progressive type, automatic reset, automatic changeover with insertion of 120/220 roll-film inserts Battery Check: Depressing B.C. button illuminates green L.E.D if battery condition is satisfactory. Multiple-Exposure: Lowering multiple-exposure lever makes multipleexposures possible; exposure counter does not move during multiple-exposures. Delayed Shutter Release: Variable time delay of 5-10 seconds. Depth-of-Field Preview Lever: Spring-loaded, self-returning. D Interchangeable Finders Waist-Level Finder S: Opens and closes with a single touch; magnification of 1.3X (w/standard lens at infinity); diopter correction lenses interchangeable with standard magnifier; built- in sports finder shows field for standard lens and accepts a mask for 110,150, and 210mm lenses, all fields showing approximately 80% of the picturetaking area. Dimensions and Weight: (width, height, depth, w/80mm f/1.9 lens) (w/Waist-Level Finder S) (w/1.9 lens) (w/2.8 lens) 3-29/32" x 3-15/16" x 6-9/16" 55.4 oz 49.6 oz (99.3 x 100 x 166.5mm) (1570 g) (1405 g) (w/Prism Finder) 3-29/32" x 4-27/32" x 6-9/16" 62.3 oz 56.4 oz (99.3 x 122.7 x 166.5mm) (1765 g) (1600 g) (w/PD Prism Finder S) 3-29/32" x 4-29/32" x 6-9/16" 66.5 oz 60.7 oz (99.3 x 124.7 x 166.5mm) (1885 g) (1720 g) (w/CdS Prism Finder) 3-29/32" x 4-29/32" x 6-9/16" 67.2 oz 61.4 oz (99.3 x 124.7 x 166.5mm) (1905 g) (1740 g) Depth w/80mm f/2.8 lens; 6-1/16" (154mm) Prism Finder: The image in the Prism Finder is right-side up, laterally correct, and moves in the correct direction; magnification of 0.74X with the standard lens at infinity, built-on hot-shoe; comes with eyecup. PD Prism Finder: Prism Finder with built-in silicon cell, through-thelens, full-aperture, center-werghted metering: 7 LED's visible in the viewfinder for correct or compensated exposure, with 100 ASA and f/1.9 lens, meter coupling range of EV -1.15 - +19 (f/1.9, 8 sec.- f/22, 1/1000 sec.); with f/2.8 lens, EV 0- 19 (f/2.8, 8 sec. - f/22, 1/1000 sec.); camera body battery serves as power source; other features same as Prism Finder. CdS Prism Finder: Prism Finder with CdS through-the-lens, full-aperture, center-weighted metering; zero method with indicator needle; couples to aperture and shutter speed manually set, power source, one 1.5V silver oxide battery SR44 or alkaline battery LR44, with 100 ASA and f/1.9 lens, meter coupling range of EV 2.85 - 17 (f/1.9, 1/2 sec. - f/11, 1/1000 sec.): with f/2 8 lens: EV 4 - 18 (f/2.8, 1/2 sec. - f/16, 1/1000 sec.); other features same as Prism Finder. 6 Names- and -___-- Functions of Parts (1) Focusing screen Five different available. types are Battery check lamp If the green battery check lamp glows when the battery check button on the opposite side is depressed, battery condition is good. Focusing screen lug Mounting guide pin for finder Fits into the finder opening. Flash sync terminals With safety cover, only the cover of the sync terminal being used is removed. Alignment dot Alignment reference point for mounting lens. Depth of Field Preview Lever A slight upward push on the lever stops lens down to preselected aperture, spring-loaded for self-return. Neck strap lug Shutter speed alignment mark Shutter speed dial Push in on safety lock built into the center of the shutter speed dial while rotating dial to desired speed. Do not set dial to the @ position unless using the PD or AE Prism Finder. Shutter release button (front) When pushing in on this button, the upper shutter release button is coupled to move in unison. Equip ...