Mamiya PRO 645 User manual

Instructions

Congratulations on your purchase of the Mamiya 645 PRO

Mamiya pioneered the 6x4.5 film format and introduced the world’s first 645

SLR in 1975. The 645 PRO 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 has a built-in self-timer (delayed shutter release) which will also

facilitate time exposures. Attaching special leaf shutter lenses will automati-

cally set the focal plane shutter to

1/8

sec. Heavy duty gears connect to the

improved Power Drive Grip WG401. This grip also

automatically cocks the lea

shutter lenses and permits remote control.

The AE Prism Finder FE401, specially created for this camera, automates

exposure and shows LED safety signals. 35mm film holders now come with

panoramic adapters. A super fast 300mm f/2.8 APO lens was also designed

for this camera.

We are convinced that your camera will serve you well, because we have

designed it for heavy professional use. However, we ask you to please read

all operating instructions carefully before you put your equipment to work, in

order to ensure proper operation and maximum results.

This manual covers the

basic camera. Sepa-

rate instructions are

supplied with all sys-

tem accessories, in-

cluding lenses,finders,

film holders, etc.

For additional informa-

tion please feel free to

contact your author-

ized Mamiya dealer or

the Mamiya importer in

your country.

Special Features of Mamiya 645PRO....................3

Names and Function of Parts..................................7

Attaching and Removing Lenses

.........................10

Attaching and Removing Roll Film Holders

........

.11

Attaching

andRemoving

Viewfinders.................12

Attaching and Removing the Film Advance

Crank.........................................................................13

Inserting

Battery andBatteryCheck ........

...............14

Shutter Release Selector.......................................16

A Trial Familiarization Test...................................17

Film Loading...........................................................18

Advancing Film to the First Exposure.................21

Aperture

Ring/Stop-downOperation

...................23

Focusing

................................................................ .24

Depth-of-field

..........................................................25

FilmTransport andFilmUnloading

.....................26

Using the Self-timer/Delayed Shutter Release.

..2 7

Multiple Exposures

................................................27

TimeExposures

.....................................................28

MirrorLock-upPhotography

................................29

Infrared Photography............................................30

Using Flash

............................................................

.31

Using a Tripod

........................................................32

Holding the Camera Steady and Securely...........33

Attaching andRemoving the Neck Strap

............34

Specifications

.........................................................35

Trouble Shooting

...................................................37

Basic Accessories

.................................................39

System Chart.........................................................

.41

StoringandChecking

the

Camera

.......................42

Features and specifications subject to change without notice.

3 x More Negative Area Than the 35mm Format

Plus

Superior Image

Quality

From Mamiya World-

Class Lenses

The

6x4.5cm

format offers approx. 3 times more image

area than the 35mm

(24x36mm)

format, Man’s vision is

horizontal and rectangular.

Film Holders are rectangular and so are most pictures in

them. The

6x4.5 format

is also large enough to be viewed

without a magnifier and its aspect ratio (horizontal

vertical)

is ideal, requiring minimum cropping. Mamiya’s high

performance medium format lenses assure sharpness

and beautiful color fidelity.

Sturdy, Versatile, Safe and Highly Reliable Body

Tailored to Satisfy Pro Needs

Introduced in 1975 to not only provide an alternative to

the 35mm format, but to afford the user with advanced

versatility given its much larger format, the Mamiya 645

Series is constantly being upgraded. Elements such as

speed and handling plus a host of other special features

have been enhanced to satisfy the needs of most de-

manding professionals.

Two new convenient safety features have been added to

the 645 PRO in the form of state-of-the-art optoelectronics

which immediately identifies problems with the shutter

(i.e. when it will not release) when the AE Prism Finder

FE401 is used. Whether these malfunctions develop from

failure to draw out the Dark Slide, or if there are problems

in film take-up, the LED will indicate the source of the

trouble. With these new advancements, Mamiya believes

the most demanding pro will be more than satisfied with

the new edition 645.

Enhanced Interchangeable Roll Film Holder System

Enables Polaroid and Even 35mm Panoramic

Photography

The 645 PRO features an interchangeable film holder

system capable of using a far wider range of roll film

holders than before. Depending on the application, the

system can be quickly attached to or detached from the

camera, ensuring the ability to catch even fast changing

scenes. It also features fail-safe devices including, for

example, one that warns when you have failed to take out

the dark slide when the AE Prism Finder FE401 is being

used.

Interchangeable Viewfinders

1. AE Prism Finder FE401

The AE (automatic exposure) Prism Finder FE401 fea-

tures three modes of TTL metering, including automatic

switching from center-weighted averaging to spot me-

tering. It also has a

+/-3EV

exposure compensation ad-

justment.

2. Prism Finder

PF401

The Prism Finder

PF401

is without metering electronics

and designed for manual photography mode. Both Prism

Finders show an unreversed, upright image and are ideal

for eyelevel photography.

3. Waist Level Finder N

The Waist level Finder N is desirable for low angle

photography and particularly for horizontal composition.

A self erecting hood with built-in magnifier shields

groundglass from all ambient light. A built-in sportsfinder

permits eyelevel viewing and is ideal for action photog-

raphy.

Bright, Dynamic Images Visible on the Focusing

Screen

5 Selectable Types Available

The 645

PRO can reproduce bright, dynamic and sharp

images on the focusing screen, enabling optimum com-

position to be obtained according to the photographic

purpose. In addition, the 645 PRO greatly enhances

focusing.

5 types of focusing screens are available to facilitate

photographing a wide variety of subjects.

A Comprehensive Series of Interchangeable Lenses

-Sharp Images and Outstanding Color Balance -

There are an amazing variety of interchangeable lenses

in the PRO 6 x 4.5 format series. Mamiya has concen-

trated an all-out effort on the systematic production of

lenses in an effort to satisfy a multitude of needs. All

lenses are multi-coated to eliminate flare and ghosting

even under the most adverse light conditions. While the

series now also features three leaf shutter lenses, all

lenses exhibit the utmost in color balance, high

resolu-

tion and crystal clear definition. A feature lens is the new

300mm f/2.8 APO lens which eliminates chromatic aber-

ration and produces photos with the sharpest definition.

Given the wide variety of lenses in the 645 PRO Series,

they greatly expand the world of images that are possible.

Auto winding with the Power Drive Grip WG401

This Power Drive Grip WG401 has been specially de-

signed for heavy duty, motorized operation with the 645

PRO. It also permits automatic shutter cocking of the leaf

shutter lenses and can be remote controlled. Another

feature, not available previously is the following:

When attaching a partially exposed film holder (in which

the film has not been advanced to a new frame), to the

645 PRO equipped with the Power Drive Grip WG401, a

built-in camera mechanism will automatically advance

the film to the next frame, when the shutter release is

activated, either on the camera body or on the Power

Drive Grip WG401.

New Automatic Leaf Shutter Lenses for added

versatility.

55mm (Wide Angle), 80mm (Standard) 150mm

(Telephoto) lenses

These

lenses are all in Seiko #0 shutter, offer the advan-

tages of syncroflash photography at all shutter speeds

30,

1/60,

1/125,1/250 and

1/500sec.

The optional Power

Drive Grip WG401 will automatically cock the shutters as

it transports the film and moves the mirror.

The camera’s focal plane shutter must be set at 1/8 sec.

for leaf shutter mode operation. The leaf shutter lenses

can do it automatically.

A Broad Accessory System

For Specialized Applications

A useful accessory system to serve the specialized

needs of the photographer. It includes Auto Bellows and

Auto Extension Rings for close-up and copying work;

Infrared Remote Control for studio and nature photogra-

phy; External Battery Case for operating in cold sur-

roundings; Camera Grips for convenient holding and

more.

Other Features

After focusing, the

Mirror

can be locked up before making

an exposure. This is convenient when the camera is used

at slow shutter speeds and is mounted on a tripod for

telephotography, copy work, etc., since even

a very

small

amount of vibrations should be eliminated.

<Self-timer>

Self-timer for delayed shutter release. When activated it

will light a red pilot lamp in the front of the camera for eightlamamp in the front

seconds and will blink for two seconds before triggering

the shutter.

Time exposures are made by utilizing the Self-timer and

the “B” shutter setting. A new power saving circuit design

switches the battery off and extends is life.

Focusing Screen

13 Gold Plated Contacts

These contacts interface the

Aperture Ring Couping Pin

This

is fitted into the

Ex-

posure

Meter Coupler of the

lens, to

transmit the aperture

data

the AE Prism Finder.

AEPrism

Finder with the ISO

dial on the film holder and

the shutter speeds.

Hot-shoe (X contact)

cordless flash can be used

Battery Check Lamp

Focusing Screen Release Pin

When

you

want to change

the screen. slide this pin to

the left and

remove

the

screen.

with

this

shoe.

Lens Release Button

collar is turned to the

red dot.

Auxiliary Release Contact

When the cover is moved to

the left. the contact appears.

This contact is used for

con-

nections of external

releases

such as a special hand

grip

and remote control unit.

Mirror

Never touch the surface of

the mirror.

Battery Check Button

LED displays the present

battery condition.

Finder Coupling Panel (Front)

Finder

Coupling

Panel (Rear)

Electric Contact for Film

Holder

This contact receives film

sensitivity data from the film

holder.

Film Holder Mount

Film Holder Coupling

Shutter Curtain

Exposures are controlled by

opening and closing the cur-

tain

Film Holder Mounting

Bracket

Shutter Speed Dial Lock

Release Button

This

button is used for un-

locking the Shutter Speed

Dial from an AE position.

Shutter Speed Dial

This

dial

selects the shutter

speed, and switches the op-

eration mode from AE

manual photography.

Neck Strap Lug

Film Advance Crank

Single complete turn cocks

the shutter and advances the

film for each exposure.

Multiple Exposure Lever

When this lever is set at

“MULTI”, film

is not advanced

even

when the Film Advance

Crank

turned.

thus

allow-

ing multiple exposures on the

same film frame.

Tripod Socket

1/4" tripod socket. To con-

vert to a 3/8" socket, remove

the small screw in the base of

the socket. Then remove the

bushing. See page 32.

Distance Scale

The camera to subject dis-

tance can be set or confirmed

with this scale.

Lens Alignment Dot

Depth-of-field Scale

Provides a quick reading of

depth-of-field for various ap-

ertures and distances.

Exposure Meter Coupler

This coupler is engaged with

the Aperture Ring Coupling

Pin, transmitting diaphragm

information to the AE Prism

Finder.

Battery Chamber Cover

Latch

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