Mamiya 645 AF User Manual
Congratulations on your purchase of the Mamiya 645 AF Camera.
tradition of medium format camera expertise.
controls, LCD displays and is ready for the age of digital photography.
which protects it against accidental damage.
professional use.
operation and maximum results.
Special Advice To Professional Photographers
Mamiya pioneered the 645 SLR system camera three decades ago and the
Mamiya 645 AF, with its TTL auto-focus, auto-exposure, auto-flash and autofilm winding features, is the latest Mamiya master piece and reflects its long
Combining 35mm handling ease and speed with the advantages of an
almost 3x larger image size, it is a full-featured camera, utilizing many digital
Its high-tech focal plane shutter with speeds to 1/4000 sec. permits sync
flash up to 1/125 sec. and has an exclusive "Safety Retraction" feature,
The AE Prism Finder with its many features, protected by a sturdy
magnesium housing, and also the Power Drive Grip, are now integral
components of the diecast aluminum camera body, designed for heavy
All the many features, safety interlocks and other important information are
covered in detail in these instructions. It is imperative that you read them
thoroughly before you put your camera to work, in order to ensure proper
Your Mamiya 645 AF is designed for heavy professional use and will give you a long
service life if properly maintained. Your camera and lenses have many moving parts
which require periodic lubrication. Its electronic components, too, are subject to wear
and tear and are affected by ambient conditions like dust, sand, sea air, heat and
moisture.
If cameras had odometers like automobiles, it would be easier to specify servicing
schedules. May we suggest that if you shoot thousands of film rolls per year, you send
your equipment annually for servicing by the Mamiya distributor in your country.
Note:
In order to acquaint yourself with the functions of the camera, you will want to
practice without film. Please see bottom of page 37 how the camera can be tested
without film.
1
2
Names of Parts and Functions
lock release button (Page 46)
(Page 46)
Lever (Page 66)
Display (LCD) (Page 6)
(Page 71)
(Page 80)
(Page 71)
family of happy Mamiya camera owners!
Hot shoe (Page 63)
release button (Page 39)
(Page 39)
window (Page 36)
Strap lug (Page 80)
(Page 80)
Mirror up lever (Page 59)
button (Page 20)
(Page 21)
(Page 21)
(Page 20)
dial (Page 13)
selector lever (Page 45)
3
4
Exposure compensation dial
Exposure
compensation dial
Eyepiece Shutter
Main Liquid Crystal
Rear dial
Strap mount
Front dial
Exposure mode dial lock
Exposure mode setting dial
Auto focus supplemental
infrared light emission
Dark Slide (Page 20)
Exposure metering mode
Rubber eye piece
Diopter adjustment
Magazine
release button
Magazine cover
release button
Magazine cover
lock button
Magazine lock
Synchro terminal
(Page 65)
Shutter release mode selector
lever (Page 47)
Congratulations on your purchase of the Mamiya 645AF and welcome to the world-wide
Depth of field preview
button (Page 66)
Lens Release Button (Page 15)
Auxiliary release socket
Diopter adjustment lens (standard accessory) (Page 14)
Dark slide storage pocket (Page 20)
Film box tab pocket
External power socket (Page 69)
(Page 11)
Battery case (Page 11)
Tripod socket (Page 80)
(Page 49)
BL button (Page 56)
(Pages 72,75 and 77)
Main Liquid Crystal Display (LCD)
shooting data (Page 75)
Index mode (Page 74)
Program mode (Page 39)
Shutter time (seconds) (Page 41)
Multiple exposure
mode mark (Page 51)
indicator (Page 12)
Aperture (Page 40)
Program shift indicator (Page 39)
Dial lock indicator (Page 72)
Magazine LCD
Film sensitivity - ISO 25 to 6400
Film type display - 120 or 220
Number of photos disp
This diagram is for explanatory purposes. The actual display may differ.
Magazine LCD Panel
(Page 6)
5
6
Down button
(Page 18)
Screw cap for battery compartment for
magazine LCD (Page 17)
Battery case lock lever
Mode setting button
F1 key
Superimpose mode
Superimpose mode
calendar and index
number (Page 73)
Manual focus mode
(Page 32)
This diagram is for explanatory purposes. The actual display may differ.
Self timer mode mark
(Page 53)
Auto bracketing mode
mark (Page 49)
Battery power
SET button
(Page 72)
lay
Viewfinder with LCD read-outs on bottom
Autofocus area frame
AE lock display
Focus marks
subject is in focus
This diagram is for explanatory purposes. The actual display may differ.
Shutter speed
Aperture
Flash charge indicator
between the setting and the
manual mode
Exposure compensation ± mark
Contents
7
8
displayed when
Exposure metering mode display
Exposure compensation value
display - displays the difference
metered value when in the
Names of Parts and Function .........................................................3~5
Main Liquid Crystal Display ..................................................................6
Magazine LCD ......................................................................................6
Viewfinder with LCD read-outs on button ............................................7
Basic Operation .................................................................................10
~29
Inserting the Batteries ........................................................................11
Checking the Battery Power ...............................................................12
Diopter Adjustment ............................................................................13
Replacing the diopter corrected lens ...............................................14
Attaching / Removing the Lens....................................................
15~16
Installing the Battery in the Magazine ................................................17
Setting the Film Speed .......................................................................18
Attaching / Detaching the Magazine.............................................19
Loading Film in the Magazine .....................................................21
~20
~23
Shutter Release Button / Holding the Camera ...................................24
Taking Photos in the Full Automatic Mode .................................
Removing a partially exposed film roll
.......................................................................29
Auto Focus Function ........................................................................30
25~28
~36
Single Focus Mode ........................................................................31
Continuous Focus Mode
................................................................................................31
Manual Focus Mode ......................................................................32
Manual focusing using the focus mark ...........................................33
Subjects With Which Auto Focusing May Not Work .......................34
Using the Focus Lock Function ..........................................................35
AF Supplemental Infrared Light
......................................................................................36
Camera Operation Test ......................................................................37
Exposure Modes ...............................................................................38
~43
Program AE ...................................................................................39
Shifting the Program ......................................................................39
Aperture Priority AE .......................................................................40
Shutter Priority AE .........................................................................41
Manual Mode ..........................................................................42
~43
X Mode ..........................................................................................43
Time Mode......................................................................................43
Exposure Metering and Film Advance Modes ................................44
~47
Average Exposure Metering Mode ................................................ 45
Spot Exposure Metering Mode .......................................................45
Average / Spot Auto Switching Exposure Metering Mode ............. 45
camera in shooting position.
Exposure Compensation ....................................................................46
9
10
Single-Frame Mode / Continuous Mode .............................................47
Additional Shooting Modes ...............................................................48
Auto Bracketing Mode .................................................................49
Multiple Exposure Mode ..............................................................51
Self Timer Mode .................................................................................53
Applied Photography .........................................................................54
Extended Exposure Modes .........................................................55
AE Lock Mode .............................................................................57
Taking Photos with the Mirror Up ................................................59
Depth of field ......................................................................................61
Infrared Photography .........................................................................62
Flash Photography ......................................................................63
Metz Flash SCA3951 System Functions ........................................64
Flash Photography with Flashes other than Metz Flashes .............65
Depth of Field Preview /Eyepiece Shutter ..........................................66
Changing The Focusing Screen .........................................................67
Using the M645 Manual Focus Lenses ..............................................68
External Power Supply .......................................................................69
Date, Electronic Functions, and Miscellaneous ...............................70
Electronic Dial Operations ..................................................................71
Front / Rear Dial Lock Mechanisms ...................................................72
Superimposing Data ....................................................................73~76
Setting the Date and Time .............................................................73
Setting the Index Number ..............................................................74
Selecting the Data to be Superimposed .........................................75
Data superimpose modes ..............................................................75
Checking the data to be superimposed ..........................................76
Changing the Viewfinder Display in the Manual Mode "M" .................77
Error Messages ..................................................................................78
If the shutter cannot be released ........................................................79
Strap / Using a Tripod / Auxiliary Release Contact ............................80
Specifications of 645AF ...............................................................81~82
Common Sense Camera Care and Practice ................................83~85
The Importance of Proper Maintenance .........................................84
Batteries Care ................................................................................84
After-Sale Servicing .......................................................................85
Liquid Crystal Display.........................................................................86
~53
~50
~52
~69
~56
~58
~60
~65
~86
This section describes basic camera operations, how to load
film and basic full automatic photography.
When we refer to "left or right" we assume you are holding the
Inserting the Batteries (The camera will not operate
without batteries)
Use six "AA" alkaline and lithium batteries.
clockwise and pull out the battery holder.
shown in the drawing.
proper polarity
firmly attached.
*After inserting the batteries, set the date and time. (See page 73.)
Checking the Battery Power
Check the battery condition in the lower right corner of the main LCD.
The batteries are sufficiently charged.
Camera will still operate.
batteries with new ones.
when the shutter release button is pressed.
Lithium batteries : 300 rolls
11
12
Set the shutter release mode selector lever to "L" (to turn the power off).
1. Lift the battery case lock lever, turn it counter
2. Insert fresh batteries with the + and - ends as
• Be sure the batteries are placed with
3. Return the battery holder to its case and lock
it by turning the lever clockwise. Make sure it is
Set the shutter release mode selector lever to "S" (to turn the power on).
There is little power remaining. Have new batteries
on hand.
There is very little power remaining. Camera will
not operate.
*Set the shutter release mode selector lever to
"L" (to turn the power off) and replace the
*When the batteries are spent, "batt" flashes
on the main LCD and the viewfinder's LCD
• When replacing the batteries, be sure to use six new batteries of the same
type. Do not mix different types of batteries or old batteries with new ones.
Amount of film that can be taken with one set of batteries
At normal temperature (20°C), using new batteries, 120 roll film and under normal
usage.
Alkaline batteries : 150 rolls
Diopter Adjustment
this adjustment.
lenses (Optional accessory)
Replacing the diopter corrected lens
pulling it downward.
until it clicks into place.
*Using solvents could discolor the diopter corrected lens frame.
13
14
Look through the viewfinder and make sure that the focus frame (Rectangle with Circle)
is in sharp focus. If it is not, turn the diopter adjustment dial in the "-" direction if you are
nearsighted, in the "+" direction if you are farsighted. If this is not sufficient you may
require an optional diopter corrected lens. See below.
*Point the camera at a bright, plain object such as a white wall when making
Range of adjustment of diopter corrected
1. Remove the lens supplied with the finder by
2. Push the replacement diopter corrected lens
upward into the viewfinder's eyepiece frame
*If there is dirt or dust on the lens surface, remove it with a blower or sweep it off
gently with a lens brush.
*If there are fingerprints or dirt on the lens surface, wipe it off with a piece of clean,
soft gauze.
Attaching/Removing the Lens
Attaching
Removing
on or corrosion. Wipe such impurities off with a clean piece of cloth.
15
16
1. Remove the camera's lens opening
cap, just like you would remove a
lens, by pushing the lens release
button “A”
the lens cap or the lens itself
counter clockwise and lift out.
To remove the front lens cap, squeeze the shiny
sections together and lift out.
To remove rear lens cap turn it counter clockwise.
backward and then turn
While pushing the lens release button “A”, rotate
the lens counter clockwise until it stops and lift it
off.
*After removing the lens from the camera body, protect both ends by attaching
the caps.
*Oil, dust, fingerprints or water on the electronic contacts could result in
malfuncti
2. Attaching the lens
Align the red alignment dot of the lens (on the
shiny flange) with the camera's red dot, fit the
lens into the camera and rotate it clockwise until
it clicks into place.
*Do not touch the distance ring or other
rotating parts during the auto focus
operation.
Installing the Battery in the Magazine
camera. When it is attached the power is supplied by the camera's batteries.
counter clockwise.
battery. Otherwise accidental battery fluid leakage may damage the contacts.
Setting the Film Speed
overexposure may occur.
17
18
The button battery supplies power to the magazine's LCD when it is detached from the
1. Remove the battery compartment
cover screw.
Use a coin or suitable screw driver and turn it
2. Insert a battery.
Insert the battery according to the polarity
indication + in the battery compartment, and
close the battery cover.
Battery used: Sony CR2032 or equivalent
•Be sure to watch correct polarity
*When the battery is exhausted, remove it immediately and replace with a new
The film speed (ISO sensitivity value) is the reference for all exposure and must be set
correctly. If the set value differs from the actual value of the film in use, under- or
1. Press the ▲ (up) button.
When the LCD panel displays information, press
and hold the ▲
the LCD for more than 1 second. The ISO
indicator will blink.
(up) button on the bottom part of
2. Set the film speed.
Set the film speed of the film by pressing the▲
(up) or ▼ (down) button. To lock the speed
setting, press and hold the two buttons
simultaneously for more than one second; the
film speed will be written in memory in 5 seconds.
*The setting is not complete while the ISO indicator is blinking.
*The information on the film in use, such as the type, ISO sensitivity value and
number of exposures, is stored in the back -up memory. However, when the
battery capacity has dropped during stand-alone use of the magazine, the
information may not be shown by the LCD panel.
*The information on the film (type, ISO sensitivity and number of exposures) is
stored in the memory, but when the battery power is low this information may be
displayed erroneously. Be sure to replace the batteries with new ones.
Attaching/Detaching the Magazine
this case.
Attaching
magazine's protection cap.
the shutter closing)
(Batteries must be in camera).
Detaching
1. Insert the dark slide into the magazine.
19
20
When there are no batteries in the camera, the shutter's "Safety Retraction" feature,
keeps it in the open position and the magazine's dark slide cannot be pulled out, even
when it is attached to the camera. Film winding and shutter release are also blocked in
1. Remove the camera's rear body cap and the
2. Fit the body coupler of the magazine into the
bottom channel of the camera, properly
centered.
3. Push the magazine against the camera body
until it snaps into place. (You will instantly hear
2. With your thumb first push button “A” down and
then simultaneously button “B” in. The magazine
will separate itself from the camera body.
*When the magazine is removed, the shutter will automatically open, as
explained on the previous page, under "Shutter Safety Retraction"
Film winding and shutter release are also locked.
Shutter Safety Retraction
The precision shutter blades are made of very thin hyper-duraluminum and could
be damaged if unprotected. Therefore the camera is designed to automatically
retract the shutter into the open position when the magazine is removed. When it
is reattached the shutter automatically closes and is ready for normal function.
Automatic film advance to #1
There is no need to line up the film's paper leader start mark. The magazine automatically advances the film to the first frame (See page 22).
The magazine cannot be attached or detached unless the dark slide is in place.
Loading Film in the Magazine
of the magazine.
When the pressure plate (120/220) is set erroneously:
" to the original position.
to the original position.
to wrap the leader tape around it.
21
22
1. Open the back cover of the magazine.
By first pushing the button “A” down and then
button “B” simultaneously.
2. Take out the roll-film insert.
Squeeze the center block "645" “C” between your
fingers and pull it out.
•When you load film for the first time, remove
and discard the protective paper cover which
is attached to the film rails in the magazine.
3. Set the film type (120 or 220).
Push and hold the pressure shaft “D” located under
the 645 center block. This frees the pressure plate
and permits it to be turned and set for either 120 or
220 film.
•Be sure to align the lock pins with the holes on
the pressure plate. The film type should be
displayed when the film is loaded on the LCD
4. Attach an empty spool to the roll-film
insert.
Flip the roll-film insert's lower spool clip "SPL"
away from the spool, fit an empty spool between
takeup spool studs “E”, and return the spool clip
"SPL
5. Set the film.
Flip the roll-film insert's upper spool clip "FILM"
away from the spool, fit a roll of film as shown in
the illustration, and return the spool clip "FILM"
6. Attach the leader paper of the film to
the empty spool.
Gently pull out some of the leader paper, insert
the tip of the leader paper into the take-up slot of
the empty spool, and rotate the spool a few times
7. Insert the loaded film insert into the
(You will hear a click).
pocket
mark appears in the LCD.
Shutter Release Button/Holding the Camera
Shutter Release Button
When half-pressed, the power turns on and the camera becomes functional.
Holding the Camera
23
24
magazine.
While squeezing the center latches together,
place the film insert, with the feed spool on top,
in the magazine and with pressure on the left
and right blocks “G” push it into proper position.
8. Close the back cover.
Push in the upper part of the back cover firmly to
close it.
9. After attaching the magazine onto the camera
body, pull out the dark slide and press the shutter
button halfway; this will feed the film automatically
to frame No. 1.
Place the dark slide in the magazine's rear storage
*It is not required to align the film start mark, for the magazine will automatically
detect film frame No. 1 from any position.
*When the magazine is mounted on the camera body, the mirror and shutter which
has been freed will be set in position.
*Do not wrap too much leader paper around the empty spool. Otherwise the film
section may be exposed to light.
*When the magazine is separated from the camera, the power save mode is acti-
vated in 5 seconds after the start of stand-alone operation and the LCD panel
turns off. To release the power save mode and turn on the LCD panel, press the
▲ (up) button.
*To prevent accidental film fogging, do not pull out the leader paper too far or
load/unload film under direct sunlight.
*When the film is not wound properly, the counter display disappears and the “--"
The shutter release button has a two-step action, A half-press (light pressure) will activate the camera, heavier pressure will release the shutter. When pressed lightly it
stops at a certain point. In this manual this position is called the "half-press" position.
Grasp the camera firmly when taking photos. If the camera moves during exposure, the
picture will be out of focus.
*Grasp the grip firmly, tuck in both elbows and support the bottom of the camera
with your left hand.
*At slow shutter speeds, or when using the self timer, it is best to use a tripod
and cable release or electromagnetic cable release (Optional accessories).
Taking Photos in the Full Automatic Mode
1. Set the shutter release mode selector lever to "S"
(single-frame advance mode).
front of the camera.)
(manual focus mode).
auto exposure).
"A-S" (average/spot auto switching).
25
26
3. Set the exposure mode selector dial to "P" (program
There are two shutter release modes: "S"
(singleframe advance mode) and "C"
(continuous advance mode). (See page 47.)
When set to "L", the power is turned off.
2. Set the focus mode selector lever to "S" (single
focus mode). (This control is located at the lower left
There are three focus modes: "S" (single focus
mode), "C" (continuous focus mode) and "M"
There are four exposure modes: "P" (program
AE), "Av" (aperture priority AE), "Tv" (shutter
priority AE) and "M" (manual mode).
4. Set the exposure metering mode selector lever to
There are three exposure metering modes: "A" in
which the average light of the entire picture is
measured with emphasis on the center of the
picture, "S" in which the light in a spot at the
center of the picture is measured, and "A-S"
which combines these two to automatically switch
the mode according to the extent of difference
between the brightness of the light metered in the
two modes and sets the distribution ratio of the
exposure metering modes within an intermediate
range. (See page 45.)
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