Mamiya M645 1000S User Manual
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Mamiya M645 1000S User Manual

Mamiya m645 1000s: user guide
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  • Page 2 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 for- mat, the purpose of which is to offer the world...

  • Page 3: Table Of Contents

    Holding the Camera ... Using the PD Prism Finder S ... Using the CdS Prism Finder ... 3 Using the Waist-Level Finder The Mamiya Moving Coil Electronic Shutter ..Depth-of-Field Using Flash Multiple-Exposures Infrared Photography ... Mirror Lock-up ...

  • Page 4: Special Features Of The Mamiya M645 1000S

    Special Features of the Mamiya M645 1000S \ ’ \ em-.- The Mamiya M645 is a 6 x 4.5cm large-negative SLR that is both extremely versatile and compact. Large-Negative Quality The 6 x 4.5cm format offers approximately 3 times more area than the 35mm format.
  • Page 5 Flatness of the Film Plane Developed through Mamiya’s long experience as a manu- facturer of 120/220 roll-film cameras, the Roll-Film Inserts for the Mamiya M645 keep the film perfectly flat for edge- to-edge sharpness. Inserts are available for 120 or 220 roll-film.

  • Page 6: Specifications

    (Eveready 544, UCAR 544, Mallory PX28) or 6V alkaline battery 4LR44 F o c u s i n g M e t h o d : Each Mamiya-Sekor lens is equipped with its own helicoid focusing mount Focusing Screen: The standard focusing screen, which is interchange- able, has three focusing aids, a central split-image rangefinder spot (wedge set at a 45°...
  • Page 7 Interchangeable Finders Prism Finder: The image in the Prism Finder is right-side up, lat- erally correct, and moves in the correct direction; magnification of 0.74X with the standard lens at in- finity, built-on hot-shoe; comes with eyecup. PD Prism Finder: Prism Finder with built-in silicon cell, through-the- lens, full-aperture, center-werghted metering: 7 LED’s visible in the viewfinder for correct or com-...

  • Page 8: Focusing Screen

    Names and Functions of Parts (1) - - -___-- Focusing screen Five different types available. Focusing screen lug Mounting guide pin for finder Fits into the finder opening. Alignment Alignment reference point for mounting lens. Depth of Field Preview Lever A slight upward push on the lever stops lens down to preselected aperture,...

  • Page 9: Memo Clip

    Film plane mark Indicates the position of the film plane. Back cover latch While pushing in on the memo clip, simultaneously move the back cover latch in the direction of the arrow to open camera back. Back cover When closing, apply pres- sure firmly and evenly in the area of the back cover latch.

  • Page 10: Names And Functions Of Parts

    Names and Functions of Parts (2) @ Battery chamber cover latch Pull the latch toward the lens to open the battery chamber. Battery chamber cover Insert a battery into the battery chamber @ Tripod socket 1/4 inch tripod socket. To con- vert to a 3/8 inch socket, first remove the small screw in the base of the socket.

  • Page 11: Focusing Ring

    A.M. Lever Automatic diaphragm operation when ”A” appears in the window. Diaphragm stopped down to preselected aperture when “M” appears in window. Focusing ring Distance scale Depth-of-field scale Alignment dot Align with matching alignment dot on camera body for rapid lens mounting.
  • Page 12 ames and Functions of Parts (3) Roll-Film Insert (120 and 220 roll-film inserts are available) Start Mark After aligning the start mark on the film’s leader paper with this mark, the roll-film insert is ready for insertion into the camera. Release latch After squeezing in on both sides of release latch, the roll-film...
  • Page 13 Prism Finder EYecUP Attach by sliding into the grooves of the eyepiece. Diopter correction lens retainer ring Remove by unscrewing in a counterclockwise direc- tion. After inserting cor- rection lens, replace retain- er ring. 1 2 1 2 Hot-shoe (with safety cover) Automatically fires cordless flash units when the shutter release button is depress-...

  • Page 14: Meter Switch

    Names and Functions of Parts (4) - -. - - PD Prism Finder S (Detailed Instructions on pp. 35-38) Aperture ring couplin Couples to the exposure coupler on the aperture ri such as Accepts accessories eyecup , magnifier, and angle finder.
  • Page 15 CdS Prism Finder (Detailed instructions on pp.39-43) Aperture ring coupling pin Couples to exposure meter coupler on the aperture ring. Hot-shoe (with safety cover) Automatically fires cordless flash units when the shutter re- lease button is depressed. Accepts accessories such as eyecup, magnifier, and angle finder.
  • Page 16 Names and Functions of Parts (5) .--~- _ __. Waist-Level Finder S (For detailed instructions, see pp. 44-46) Auxiliary mask for 110, Not necessary with stan- d a r d l e n s . Alignment dot for changing magnifier To remove magnifier, twist 90”...

  • Page 17: Testing To See If The Camera Functions Properly

    Testing to See if the Camera Functions Properly To release the shutter when there is no film in the camera, proceed as follows. [For detailed instructions on particular points, refer to the page number shown in parentheses.) 1. Insert a battery into the camera (p.21). 2.

  • Page 18: Interchanging Lenses

    Removing the body cap While depressing the lens release but- ton (13) turn body cap counterclock- wise until the red dots are aligned and lift out. The upper body cover can be removed by merely sliding backwards and lifting, Interchanging Lenses - ---_)II l Attaching Lenses...

  • Page 19: Interchanging Finders

    *After removing a lens, be sure to place caps on both the lens and cam- body. *Never touch the surface of the mirror. *After removing a lens, it is recom- mended to lock the shutter release but- ton by setting the shutter release lock ring (7) in order to avoid accidentally releasing a cocked shutter when plac- ing the camera bodv face down on a...
  • Page 20 o Removing Finders 1. Turn the finder release button clock- wise until it stops (about 60”). Then you will be able to push in on the release button. 2. While pushing in on the release but- ton with your thumb, lift the finder off the camera body.

  • Page 21: Focusing Screens

    Focusing Screens 0 Interchanging Focusing Screens The focusing screens are readily inter- changeable. Five different focusing screens are available to meet various photographic needs. Remove the finder, grasp the focusing screen lug (2), pull up, and lift out. To replace screen, gently insert and lightly push it in on both sides until it stops.

  • Page 22: Inserting A Battery

    Inserting a Battery The Mamiya M645 uses one 6V silver oxide battery 4SR44 (Eveready No 544, UCAR 544, Mallory PX28 or equivalent or alkaline battery 4LR44 1. Pull the battery chamber cover latch (26) slightly toward the lens and the chamber cover will open 2.

  • Page 23: Battery Check

    This camera is designed for use with either silver oxide or alkaline batteries. Although both types offer adequate performance, silver oxide batteries last much longer IMPORTANT. When using the PD Prism Finder, make it a point to use silver oxide batteries when available (in this instance, battery life is short- ened if alkaline batteries are used) Battery Check...

  • Page 24: Film Loading 2

    Film Loading - ____-----.-- 0 Loading the Film 1. While gently pushing in on the memo clip (19), move the back cover latch (17) in the direction of the arrow and the camera back cover will open. 2. While squeezing in on both sides of the release latch (37) pull the roll-film insert out of the camera body.
  • Page 25 4. In the same manner insert a roll of film in the upper compartment. 5. Make sure that the black side of the leader paper faces up. 6. Gently pull out some of the leader paper, pulling it over and around the pressure plate.

  • Page 26: Shutter Speed Dial 2

    * Never load film in direct sunlight. Load it in the shade or in your own shadow. * Roll-film inserts for both 120 and 220 film are loaded in the same manner. The exposure counter advances to 15 when the 120 film insert is used, and to 30 when the 220 film insert is used.
  • Page 27 0 Insertion of the Film Insert 1. Grasp both sides of the release latch (37) of the film insert, making sure that the film type index (42) is not upside down, and place the film insert straight into the camera body. After the film insert has completely entered the camera body, let go of the release l a t c h .

  • Page 28: Film Advancing

    1. After the film has been placed into the camera make sure that the multiple- exposure lever (25) is aligned with the white dot and not with the word “MULTI”. 2. Wind the film advance crank until it stops and the number 1 will appear in the exposure counter window (20).

  • Page 29: Shutter Speed Dial

    (c)The red B represents BULB. The shutter will remain open as long as the shutter release button is depressed when the shutter speed dial is set to B. (d)The red 60X represents the highest permissible shutter speed for electronic flash synchronization.

  • Page 30: Focusing

    3. The outer ground glass ring (which encircles the microprism collar) can also be used for focusing. Since the Mamiya M645 is an SLR, the photographer always sees in the view- finder exactly what will appear on the film, regardless of the lens or acces- sory being used.

  • Page 31: Shutter Release And Film Transport Mechanism

    Shutter Release and Film Transport Mechanism -.-.-.-.-. 0 Shutter Release Lock Ring The shutter release button is equipped with a lock ring to prevent accidental release of the shutter. 1. When you wish to release the shutter, turn the shutter release lock ring so that the white dot (B) is aligned with the dot (A) on the camera body.

  • Page 32: Unloading Film

    mirror may lock in the up position, which results in rapid depletion of the battery. Should the mirror lock in the raised position for the above reason, first continue to rotate the film advance crank until it stops (after the fixed num- ber of exposures (15 or 30) have been taken, the film advance crank should be rotated more than one full turn),...

  • Page 33: Holding The Camera 3

    The Neck Strap - - - - - - - - . -. 0 Attaching to Camera Place the neck strap fastener over the neck strap lug on the camera body and gently pull it away from the camera while pressing it toward the body until it clicks and locks in place.
  • Page 34 0 Waist-Level Operation...

  • Page 35: Hand Grips

    As accessories, Mamiya offers a selection of hand grips which not only help to eliminate camera- shake, but are also convenient for carrying the camera.

  • Page 36: Using The Pd Prism Finder S 3

    Using the PD Prism Finder S (1) -__l.--- II --~-__I- _I~ I) Special ‘Features The PD Prism Finder is an eye- level finder with a built-in silicon photo diode exposure meter and electronic shutter control circuit. 2. The PD Prism Finder offers complete coupling of the lens aper- ture, shutter speed, and film speed (ASA) 3.
  • Page 37 2. Attach the PD Prism Finder to the camera body. 3. Turn the aperture ring of the lens so that the exposure meter coupler (35) of the lens and the aperture ring coupling pin (A) of the PD Finder engage. + Be sure to check for proper coupling.

  • Page 38: Using The Pd Prism Finder

    - _-- ~-- Using the PD Prism Finder $ (2) --- -. .- - _____--- - 5. Push in and release the meter switch (C) to turn on the meter. With the meter on and while looking through the view- finder, adjust the aperture ring (34) or shutter speed dial (D) until the central (green) LED in the right-hand side LED...

  • Page 39: Exposure Compensation

    0 Exposure Compensation The LED Panel incorporated into the PD Prism Finder simplifies exposure com- pensation, assuring perfect exposures everytime. Each LED represents a full stop increment and plus and minus signs are indicated within the view- finder to assist in compensating. The uppermost LED represents three or more stops overexposure, and the lowermost LED represents three or...

  • Page 40: Inserting The Battery

    a Inserting the Battery ------\ 0 Special Features 1. The CdS Prism Finder is an eye-level finder with a built-in CdS exposure meter for accurate exposure measurement. 2. It couples to the aperture when attached to the camera. 3. An exposure meter indicator needle is visible in the viewfinder to MS-76 or equivalent or alkaline bat- tery LR44 as the power source, Meter Coupling Range: (with f/1.9 lens and 100 ASA f i l m )

  • Page 41: Method Of Use

    1. Remove the battery chamber cover by rotating it counterclockwrse t h e a i d o f a c o i n . 2. The underside of the battery cham- ber cover bears a + mark. Be sure to have the + marks of battery and cham- ber cover face each other as the bat- tery is inserted.

  • Page 42: Using The Cds Prism Finder

    Using the CdS Prism Finder (2) 3. Set the meter of the CdS Prism Find- er to the correct ASA. To do so, pull out and rotate the ASA dial (B) so that the appropriate ASA number appears in the window, aligned with the index mark.
  • Page 43 If the indicator needle cannot be cen- tered even after rotating the aperture ring as far as it will go, the exposure must be adjusted by rotating the CdS Prism Finder shutter speed dial. If the indicator needle is too high, set the shutter speed dial to a shorter (“faster”) speed;...
  • Page 44 Using the CQS Prism Finder (3) - ~.._ .-.-~ _.. .- Meter Coupling Range The range of usable shutter speeds varies in accordance with the film speed (ASA). As the shutter speeds shown in the shaded area of the dia- gram below are beyond the range of the meter, the shutter speed dial is provided with a safety lock to prevent...

  • Page 45: Using The Waist-Level Finder S

    Using the Waist-level Finder S (1) 0 Opening the Finder Hood Pull up on the finder hood opening flange to open the finder. 0 Closing the Finder Hood First, push in on the sides; next, push the front cover and back together to fold the finder.
  • Page 46 Ing screen field, please use a diopter lens which is available as an optional accessory However, before making a purchase, try the diopter lens at your Mamiya dealer to make sure it matches your eye.
  • Page 47 0 Using the Sports Finder With Waist-Level Finder S in the closed position, first raise the sports finder eyepiece (B) to a vertical position. The eyepiece sight folds into the eyepiece base; when lifted out of the base, the eyepiece sight will stay in a vertical position because of the eyepiece spring.

  • Page 49: Depth-Of-Field

    Depth-of-field refers to the total area (foreground and background) which will appear in focus (sharp). The area of sharpness (depth-of-field) depends upon the distance the lens is focused at, the f/stop (or aperture) being used, and the focal length of the lens. The area that will appear sharp can be determined in three ways: 1.

  • Page 50: Using Flash

    \’ 1. Flash units can be attached to the camera’s tripod socket or to the acces- sory shoe of the hand grip. 2. The Mamiya M645 has two sync terminals which are used in the follow- ing way: (1) When using an electronic flash, plug...

  • Page 51: Ifrared Photography

    When the white dot of the multiple-exposure lever (25) is aligned with MULTI, the double-exposure prevention mechanism is disengaged, so that the shutter can be cocked with the film advance crank without moving the film, making multiple-exposures possible. (When making multiple-exposures, the exposure counter does not ad- vance.) When desiring to make a multiple-exposure, set the mul-...

  • Page 52: Mirror Lock-Up

    Mirror Lock-up .- -.-- When the camera is mounted on a tripod for copy work or telephotography at long (slow) shutter speeds, the small amount of vibrations due to”mirror-bounce”, which normally are of no consequence, may cause blurring of the image due to the high magnification encountered in extreme close-ups and telephotography.

  • Page 53: Using The Delayed Shutter Release

    Using the Delayed S Shutter Release Attach the camera to a tripod or place it on a firm support. (If the camera sup- port protrudes beyond the front of the camera body, cock the delayed shutter release before placing it on the sup- port).

  • Page 54: Interchanging The Film Advance Crank

    However, if the camera is attached to such a tripod with the accessory Mamiya Quick-shoe model 2, it will be possible to cock the delayed shutter release with the cam- era attached to the tripod.

  • Page 55: Removing The Knob

    The film advance crank is interchangeable with the film advance‘knob which is available as‘ an optional accessory. 0 Attaching the knob 1. Rotate the film advance knob recep- tor of the camera body clockwise as far as it will go (the red dot (B) will then be facing upward).

  • Page 56: Tripod Socket 5

    *When attached to the accessory Revolving Tripod Adapter, the Mamiya M645 can be instantly rotated to change from vertical to horizontal format, or vice versa.

  • Page 57: Precautions 5

    Trouble-Shooting If your camera appears to be malfunctioning, check the list below to see whether or not you have forgotten some- thing. 1. The shutter release button will not move. A) Did you unlock the shutter release button? (p.30) B) Did you wind the film advance crank until it stops?(p.30) 2.

  • Page 58: Mirror Lockup

    Releasing the shutter with no film in the camera The film transport mechanism has a built-in safety lock which prevents the shutter from being released after the last exposure on a roll of film, or when there is no film in the camera.

  • Page 59: Care Of The Camera

    Cleaning Never touch the lens or mirror surfaces. Keeping a Mamiya UV or SL filter (p.61) on the lens will protect it from dust. fingerprints. and so on. If a lens needs cleaning, blow away the dust particles with a blower, and clean the lens surface with lens cleaning tissue and lens cleaner.

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