Mamiya RB67 Pro-S User manual

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MamfircRB07
Pro-S
lnstructions
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Congratulations
on
your
wisedecision
to
purchase
this
Mamiya
R867Camera!
Perusingthismanualbefore
attempting
to
use
the R867will assist
in correct camera
operationand will minimize
the possibility
of malfunctions.
The Mamiya RB67 is one member of a
unique
"camera
family"developed
by the
Mamiya
Camera Company,
a recognized
world leaderin large-format
photography.
The RB67 takes its place alongside
the
famous Mamiya C Professionaland the
MamiyaPressCameras.
Versatility
of
the
Mamiya
R867,embodying
fine performance
and variouscapabilities,
resultsina large
format
camera
that
meets
and satisfies
all requirements
of the ad-
vancedamateur
as
well as
theprofessional
photographer,
offering the means of pro-
ducing
top-grade
pictures
in altfieldsin-
cluding general commercial, industrial,
scientific,
and
news
photography.
lts inter-
locking
with many MamiyaPresscamera
accessories
furtherwidens the range of
theR867's
photographic
application.
CONTENTS
Specif
ications
Features
Namesof
Partsand
Outline
ofOperating
Method
Operating
Instructions
...........
Attaching
and
removing
thelens
........
Shutter
cocking/Shutter
release
button
Operating
thefocusing
hood
Horizontal
and
vertical
picture
format
selective
operation 15
Attaching
anddetaching
the
rollfilm
holder .. 16
Loading
andadvancing
the
rollfilm
......... 18
Multiple
exposure
photography
............ 21
Setting
the
shutter
speed
and
theaperture/Time
1
2
6
11
12
13
14
operation
.....:...........
Focusing
knob
fixingoperation/
Distancescale
Depth-of-field/Using
a
triPod
Close-up
photography...........
Close-up
photographywithauto
extension
tubes .......'
Flash
photograPhY
Mirror-up
photography
(lndependent
mirror
release)....
Lens
hood/CarrYing
straP
Changing
the
magnifier/Focusing
hood
Changing
the
focusing
screen/Revolving
adapter
........
Lock
system
of
thecamera
back(attaching
system)
Mamiya
R867
oPeration
diagram
Special
pointersin
using
the
Mamiya
R867
Pro-S
Lenses
Accessories
22
23
24
25
26
28
29
30
JZ
33
36
3B
39
40
47
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g1
Specifications
ofMamiyaRB67
Pro-S
Camera
Body
Type:
6 x 7cm lens-shutter type, single-lens
reflex
camera
Lens mount:
Bayonet mount (with safety lock ring)
Viewfinder:
Horizontal
format index mark interlocks
with revolution
of revolving
adapter(Ver-
tical
format based on fixingindex line on
focusing
screen.)
Focusing hood:
Single-action
opening and closing,with
mounting
lock.
lnterchangeable.
Findermagnification
is
2.5X.
Magnifier
is
also
interchangeable.
Focusing screen:
Withfresnel
lens Interchangeable
Revolving
adapter (exclusivelyfor Pro-S):
Vertical
andhorizontal
positions
revolving
up to full 90o
rotary
system,
with format
indicationinterlocking
mechanism.
By R-lock system, interchangeable
with
otheradapters.
By G-lock system,of revolving adapter,
G-lock-typefilm holders are attachable.
Focusing:
Bellows extension system with rack
pinions.
Maximum
extension46mm. Withfocusing
knob fixing
device.
Shutter and mirrorcocking:
Single-action (75") cocking by lever on
camera body side.
Others:
Accessory
shoe is provided.
Shutter release button can be locked to
prevent
releasingthe shutteraccidentally.
StandardLenses:
Mamiya Sekor 90mm f/3.8 with lens hood
Mamiya Sekor 127mm f/3.8 with lens hood
Filter
screw diameter:
77mm
Aperture: Full automatic diaphragm
(with
depth-of-fieldpreview lever).f/3.8 to 32
(with click-stop for half-step aperture
settingsl.
With mirror-up .photographing feature
(independent
mirrorrelease)device.
Shutter:
Seiko # 1
shutter
1to 1/400
second and T (Time)
Flash synchronization:
M-X full
synchronization
Pro-S120
RollFilmHolder
Film used:
120
rollfilm10
exposures;6 x 7cm format
Actual negative size:
56x 68.4mm
Film advance:
One-stroke lever film advance (After
70o
winding, can be wound in several short,
definite
strokes
).
Automatic
double-exposure
prevention.
Film
wind stop automaticrelease.
Multiple
exposureis obtainable
optionally.
Film counter:
Automaticresettingtype;
Red indexmark
disappearsuponcompletion
offilmwind-
ing.
Provided with dark slide dislocation pre-
ventivedevice and memo clip.
Dimensions:
(Camerabody with rollfilm holdefl
Height: 5-21/32in.
{144mml
Width: 4-3/32in. (104mm)
Length: 8-31/32in. (228mml
(with
90mm
!/3 8 lens)
8-17/32i6. Ql7mm)
(with
127mmf/3.8 lens)
Weight:
Camera body with revolving
adapter and
focusing
hood ...... 3 lbs.,
3-2/16oz. (14509)
Pro-Srollfilmholder
....
15-14/16
oz. (4509)
90mmf/3.8 lens .....28-6/16
oz. (8059)
127mmf/3.8 lens.....26-7
/16 oz. (7509)
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Features
ofMamiya
RB67
Pro-S
The Mamiya RB67 Pro-S is a unique,high-grade'
6 x 7cm lens-shutter
type, single-lens
reflexcamera
developed
to offer excellent
picture
quality
and easy
handlinQ.
Mamiya feels confident
that the extensive
versatilityand capabilities
of the Pro-Swill meet and
satisfy
the
requirements
ofall
photographers.
1. Rational
6 x 7cm format
Since
the6 x7cm
format
covers
anarea
4.5times
the
35mm
format,
excellentpicture
quality
isobtainable.
Especially,
it demon-
stratessuperb results
in color photography.The ratio between the
length and width of 6 x 7cm formatsis almost the same as that of
large photographic paper, permitting economical enlargements
without
cropping.
When designing a magazine layout,
a sufficientblank space is
reserved for headlines and explanatory
notes,'so that the entire
picture
format can be fully
utilized.
2. Single-lens
reflexcamera
offering
a bright, largefinder
image
since
parallax-free
focusing
in
theoutstanding
feature
of the
single-lens
reflexcamera,
speedy
camera
operation
is possible
throughbrilliant,
precise
6 x 7cm
picture
composition'
3. Excellent Mamiya Sekor lenses
Mamiya
sekorlenses
boast
excellent
image
renditionand
color
balance.
Various
types
ranging
from
wide-angle
lenses
totelepho-
tos
lensesare
available.
l
I
l
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These lenses are rationally
grouped in series, whereby those
exactly
adaptable to one's particular photographingobjectivesare
optionally
selectablewith ease.
4. Lens-shutter system suitable for electronic flash
photography
By
adoptingthelens-shutter
system,electronic
flash
is
synchro-
nizedwith all shutter
speeds, making it possible to produce highty
impressive
photographs.
5. Double-exposure prevention
devices and multiexposure
An interlocking
device for double-exposure prevention
is incor-
porated
in
the Pro-Sroll
filmholder. Sincethis
device isinterlocked
with the Pro-S body mechanism,
the shutter cannot be released
unlessthe film is advanced. Also,film advance for the next expo-
sureis impossible
unlessthe shutteris released.
When the shutteris released,the film wind-stop is automatically
released.
Multiple
exposure photography isavailable
simply by switching
a
lever.
6. Vertical or horizontal picture format quickly changed
overwith the revolvingadapter
A revolving adapter is provided as a standard outfit, whereby the
vertical
or horizontal
picture
format is promptly selected by turning
the
camera
body back by 90o,
without
changingthe cameraposition.
This is especiallyconvenientwhen the camera is mounted on a
tripod.
7. Finder format index interlocked with revolvingadapter
Whenthe
revolving
adapteristurned
up
to
90',
horizontal
format
picture
indexred
lines
appear
(or
disappear),
presentingproper
picture
composition.
8. Excellent
filmflatnessensuredbyPro-S
rollfilmholder
Various
tests have been applied to the Pro-S roll film holder to
stabilizefilm flatness. As a result,film flatness has been further
improved.
9. Cameraback adapter changeable according to photo-
graphing objectives
By changing the back adapter,depending on your photographic
objective,the range of film applicationscan be widenedtoinclude
120
and 22Orollfilms,
dry plates,cut films,
3
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and70mm film.
The film holdersand back adaptersare very easily
exchanged.
10. Unique mirrorshocklessmechanism
By'adopting a unique centrifuged
friction governor system,the
mirror functions smoothly without sensing shocks. Mirror shock,
constituting
the most important
problem involved in large,single-
lens reflexcameras,
hasbeen solved.
11. Largevariety offinders
A big selection of findersconforming to your photographicob-
jective are available.
They include a CdS
finder
(appropriateexposure obtainable
with
Through-the-lens
measuring
system),
a Prismfinder
(subjects
can be
seen as an erect image),a CdS prism finder (former two types of
finders
are combined),
a Magnifying
hood
(easilyvisible
and
bright),
a Dualmagnifying
hood (performs
precision
focusingby speedily
changing the magnifier of high magnification),
and a Universal
sportsfinder
(permits focusingon the focusing screen after it has
been installed).
The focusingscreens
arealsoeasily
exchangeable.
Depending
on the photographing objectives,
a checker, a rangefinder spot,
a
microprism,
and a cross-hair
can be selected at your option.
12. Excellent
heat-and cold-resistantcapacity
Camera component parts are capable of demonstrating their
functions
withina
wide temperature
rangefrom approximately
120"F
to - 50F
(50"C
to - 20'C).
The lens-shutter
maintainsaccurate
function,even insevere cold,
and shutter
speed deviation
isnegligible. lts resistivity
to coldness
issuperb.
Although the camera operating unit grows sluggish
at or below
15"F
(- 10'C), itissuff icientlycapable
or operating
the
camerauntil
the temperaturedrops to approximately
- 50" F(- 20'C).
13. Mirror-up photography(independentmirror release)
possible
When sharp pictures are demanded, the mirror-up mechantsm
plays
a big
role. Whentakinga picture
unhurriedly
withthe camera
mounted on a tripod,or when photographing
at slow shutterspeeds
or using a telephoto lens,
the mirror-upoperationmeritishighly
effective.
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14.
Close-up photography through full use of bellows
characteristic
features
Since
the bellows can be extended up to 46mm, photographing
smallsubjects in the frame full size is possible. when autoexten-
siontubes are used, the subject can be further
enlarged. When a
standard
lens is employed,
life-size(1:1)
or larger
pictures
can
be
photographed.
15.
Single-action
focusing
hood
Available as a standard outfit is a collapsible focusing hood,
whichcan be opened and closed by single
action,
and
whichcan
beshielded
from
extraneous
light
byraising
the
magnifier.
Depend-
ing on diopter of your eyes,the magnifiersare interchangeable.
A
double-lock
mechanismprevents
the focusing
hood
from
acciden-
tally slipping off.
16.Focusingknobfixing
device
A focusing knob fixing device is provided so that the focusing
knobwill not be moved inadvertenily
during close-up photography,
taking snapshots,
fixed focus photography, or using a telephoto
lens.
17. Darkslide lock for safetywhile carrying
A dark slide lock is providedfor the Pro-S
rollfitm
holderso that
the dark slide will not slip off while carrying the hotder detached
fromthe camera body.
18.Accessory
shoe
An
accessory
shoeis
provided
forconvenient
usewhen
mounting
theclip-on-type flash
unit.
19.Uniquesafety
devices
Various
safety
devices eliminate
possible photographic
failures.
20.Gompleteset of accessories
Availability
of a complete set of variousaccessoriesfurther
aug-
mentsphotographicpossibilities
and camera versatility.
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o Namesof PartsandOutline
ofOperating
Method
Shutter
cocking lever
Both the shutter and the mirror are
cocked by this lever. Unlesstheyare
set,
asafetydeviceprevents
theshutter
release button frombeingdepressed.
Darkslide
When this dark slide is inserted, a
safety device prevents the shutter
release button
frombeingdepressed.
(Draw
out the dark slide before
taking
a picture)
.Mirror
Distance
graduation
Distancescale
Shutter releaselock ring
When this ring is aligned with the
orange dot, a safety device prevents
the shutterrelease button from being
depressed. (Align the ring with the
white dot before taking a picture.)
Shutter releasebutton
When the camera and the roll film
holder are not ready for photography,
a safety device prevents the shutter
from
being
released.
Narneplate
By sliding
this
nameplate,
thefocusing
hoodcan
be exchanged.
Focusing hood latch
This latch pievents the focusing hood
from slippingoff by carelesslymoving
the nameplate.
Lensmounting index mark
(reddot)
Bayonet
ring
The lens is clamPed to the camera
body by this ring. When the mirror is
not cocked, a safety device prevents
the lens from being removed.
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Single-action
focusing hood
Opening
and closingis performed by
single
action. Extraneous
light
shield-
ingdesign
is adopted
forthis
focusing
hood.
Focusingscreen
This screen is interchangeable
with
various
types. Being interlocked
with
the revolving
adapter,
horizontal
pic-
ture
formatindex lines
appear
under
the
screen
Carrying
strap lug
Accessory shoe
Dark
slidestoringlug
Focusing knob
Focusingknob fixing lever
M
agnifiersettinglever
By moving this lever to the left, the
magnifier can be set. By pressing
down the magnifier base plate, the
magnifier
can
be hookedinplace.
Magnifier
The magnifier is interchangeable with
other diopter lenses.
Focusinghood mounting
prongs
Film
advance
lever
Unless the film is loaded and advanced,
a double-exposure preventive device
prevents the shutter from being re-
leased. Unless the shutter is released,
the film cannot be advanced, thus
preventing idle film advance.
Multiexposure
lever
When multiple exposure is desired,
or
when
you
want
to release
theshutter
without loading the film, it can be
achieved
by moving this lever to the
front until the red mark becomes
visible.
Memoclip
By
storing
theseparated
film
boxcover
or white paper sheets here, memos
can
be entered.
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Coupling
pin for
filmwind-stopreleasing
When the shutter
is released,the film
wind-stop
is automaticallydisengaged
bythis pin, allowingsubsequent film
advances
Light baffle
DoNOTtouchthislight
baffle
with
your
fingers.
Revolving
adapter
Turningthis adapterup to 90o
permits
change-overbetween the horizontal
and
vertical
picture
format.
R-locklever
Use this lever to attach and detach the
revolving adapter.
Slide lock for G-lock tYPe
holder
Use this lock to attach and detach a
film holder. When the dark slide is not
inserted in the attached roll film holder,
a safety device prevents the holder
from being detached.
Coupling
pin formulti-
exp6sureprevention
Release
lever
for slide lock
When detaching a film holder other
than the roll film holder, or when the
slide lock is locked, move the slide
lock to the lelt while pressing this
release lever.
Tripod socket
Thissocket is applicable
to a U
Z'inch
tripod screw. By removing the inner
socket, a tripod with a 3/8-inch
tripod
screw
canbe used.
Tripod mounting base
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Back cover
Filmspoolstud
Load a film so that the leader paper
is pulled out along the guide mark.
Fifmtype index
(120
or 2201
Exposure
counter
When the film is advanced and the
shutter is released, a red mark appears
on the side of the counter digits When
the next film advance is completed,
the red mark disappears. The red
mark also appears while the film is
being advanced from S to 1.
Safety-catchfor dark slide
When the film holder is being carried
about after detaching it from the cam-
era body, this safety device prevents
the dark slide from accidentally slipping
off.
When the film holder is attached to the
camera body, the dark slide can be
removed automatically.
Back cover latch
Filmwind-stopreleaselever
The film wind-stop is released manually
by this lever only when the Pro-S roll
film holder is used for the Mamiya
Press
Spool
release
pin
A film spoolis attachedand detached
bypressing down
this
pin.
Take-upspool
stud
After
insertingthe take-up spool,the
leader
paper
isinserted
onthespool
Guidemarkfor leader
paper
Startingmark
Wind the film advance lever until the leader paper starting
mark is aligned with this mark. After closing the back cover,
by winding the lever several strokes, it will stop at the
first exposure position. Pro-SFilm Insert
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M-X selector
This selector is switched while de-
pressing
it.
Synchroflash
terminal
Depth-of-field
preview
lever
Distance
scalelever for
depth-of
-field readi
ng
Cocking positionmarks
Mirrorrelease
operatingknob
To effect mirror-up
photography,
pull
out and turnthe knob clockwise and
set it to the MIRROR-UP
index,then
attach
a cable
releaseto the knob.
At first, raise the mirrorand the light
bafflebydepressingthe
shutter
release
button, then release the shutter by
pressing.the
cable
release
attachedto
the knob.
Aperturescale ring
Shutterspeed ring ,
Depth-of-field
scale
Distance
scalefor
depth-of-field
reading
Shutterrelease
lock pin
The shuttercanbe releasedby turning
theshuttercocking
pin
clockwise
while
pressing
thelock
pin.
Shuttercocking pin
Whencocking
theshutter
with a finger,
turnthecocking
pin
upto
the red dot.
10
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Attaching
andRemoving
the
lens
o Attaching
the Lens
After cocking the camera body mirror
and
the lensshutter,
mountthe lenson the
camera
body.
Cocking the Mirror of Camera body
1. Remove the front body cap from the
camera
body.
2. Be sure
that
the mirror
(3)
is inthe cock-
ed, down position in the camera body,
shielding
the camera film plane
fromexpo-
sure
to light.
lf the mirror is up, cock the mirror by
fully
pushing
down
theshuttercocking
lever
(1)
towardthe frontof the camera.
Ett.rrrr--.r;:j
Gocking the Lens Shutter
,1. Removethe rear cap of the lens.
2. Cock the lens shutter. Firmly turn the
shuttercocking pins (56)
with your fingers.
to the red dots (A)of the cocking position
marks. Now the shutter blades are open.
When removing
your fingers
from the pins,
the cocking pins willturnback
tothe
green
dots (B).
* lf the cocking pins
are notfully
turned
to
the red dots (A), the shutter will not be
completely
cocked.
* After removingthe lens
from the camera
body,
the shutter
is always
cocked.
Attaching the Lens
1. Turnthe bayonet ring (11)
counterclock-
wise, and align the red dot on the bayonet
ring
withthe triangular
mark at the center.
2. Mount the lens, keeping the triangular
mark aligned
with the lens mounting
mark
(10);
then
firmlytwist the bayonetringclock-
wise. Now,
the camera and lenshavebeen
set.
L56
NOTE
: lf the camerais placedwith its back facing downwardwhen attaching or removing
lhelens,without
mounting
therearbody
caporthefilmholder,thecoupling
mechanism
may
bedamaged.
Always
pay
attention
tothis caution' 12
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Shutter
Cocking Shutter
Release
Button
o Removing
the Lens
Remove the lens while the mirror and
the shutter
are cocked.
Turn the bayonet ring (11)
counterclock-
wise, aligning its red dot with the lens
mounting
mark
(10)
onthe body,
and remove
the lens.
* lf the mirror and the shutter are not
cocked inthis instance,
the lenscannot
be
removed,because turning
the bayonet ring
will be intercepted by action of the safety
interlock
mechanism.
Press down the shutter cocking lever
(1).
The
shutter
inthe mounted
lens
andthe
mirrorinthe
camera
bodyare
cockedsimul-
taneously. The lever will return to its ori-
ginalposition
by self-action.
* When shuttercocking is not completed,
the shutter
cocking lever will not return
to
its
original
position.
* Once the shutteris cocked, the cocking
lever will not move until the shutter is re-
leasedby
pushing
theshutterrelease
button.
Therefore,when the cocking lever
will not
move,
you know
the shutter iscocked.
o Disengaging
the release
lockofthe
shutter releasebutton
This saf
ety mechanism is designed to
prevent accidental release of the shutter
while carryingthe camera in its
case.
When the shutter release lock ring (6) is
turned and the index mark is aligned with
the white dot (A) on the body, the shutter
release button (7)
can be pressed.
When the index mark is aligned with the
orange dot (B), the shutter release button
cannotbe pressed.
o Releasing the shutter
When the shutter release button is
pressed,the mirror is pushed up and the
shutter
is released.
* lf the mirror is not cocked, the shutter
release
buttoncannotbe depressed.
* The socket inside the shutter release
button is threaded so that a cable release
or a self-timercan be easily
attached.
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Operation
of FocusingHood
o Raising
thefocusing
hood
By raising the back
side of the hood, the en-
tire
focusing
hood will au-
tomatically
spring
intopo-
sition.
o Folding
the
focusing
hood
With the magnifier in
its closed position, f
old
down the front and back
panels of the focusing
hood,
whereby the entire
focusing
hood is collapsi
-
ble.
o Raising
the
magnifi-
er
By sliding the magnif
i-
er setting lever (19)to the
left,
the magnifierwill au-
tomatically
poP uP.
o Folding
the
magnifi-
er
By pressing down the
base plate of the magnifi-
er,the magnifier
will hook
in place.
14
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c changing
the
Picture
Format
toHorizontar
orvertical
o Operating
the revolving
adapter o Vieyyfield
of horizontal
orvertical
format
1
When the horizontal format mark of the
revolving
adapter is facing upward, a hori-
zontal format will result. To compose a
vertical photograph, turn the revolving
adapterclockwise until
it stops. To change
from vertical
to horizontal,
turn
the revolving
adaptercounterclockwise.
In either case, be sure to turn the adapter
a full 90o until it clicks and stops. lf the
adapter is stopped midway, the shutter
release
buttoncannot
be pressed.
* Do NOT turn the revolving
adapterwhile
theshutter
releasebutton
is being pressed.
Especially,
when a cable release or a self-
timer is
used,
and adjustment
of the release
tip is improper, the shutter release button
will remain depressed after the shutter is
released. Always pay attentionto this fact.
Horizontal picture format
When the revolving
adapteris positioned
at
the horizontal
format, red lines appear on
theground
glass
focusing
screento indicate
a horizontalpicture format. Compose the
picture
within
the red lines.
Vertical picture format
When the revolving
adapterispositioned
in
the verticalformat,
the red linesdisappear.
Compose the
picture
within
the broken lines
on both sides.
15
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c Attaching
andDetaching
theRollFilm
Holder
body cap
o Removingthe rear
Bymovingtheslide
locks
(29)
on both sides
fully
to the left,the cap can be removed.
* Never push the light baffle (26) on the
camera back after removing the reat body
cap. lt the light baffle is pushed by force,
itwillcause
lightleakage
or a malfunction.
o Attaching
the roll
filmholder
1. Before attaching
the holder,
confirm
that
the upper and lower side slide locks (29)
are on the left end of the indented portion
when viewed from behind
thecamera
body.
NOTE:
Should either slide lock be moved to the
right while nothing isattached to the revolv-
ing adapter, the slide lock release lever (31)
will engage and the slide lock will not move'
lf this happens, press the release lever (31)
and return the slide lock to the open posi-
tion.
2. Attach
the rollfilm holderand slideboth
slide
locks
firmly
inthe
directionof
the arrow
mark.
* lf the slide lock of the revolvingadapter
is not pushed
fully
in ot out,
the shutter will
not be released because of the shutter
locking safety device. Always operate the
slide
lock
securelY.
* lfclosing
thelower
slide
lock isneglect-
ed, the safety device of the Pro-S holder
will prevent the dark slide from being re-
moved.
* lf the dark slide is completely
inserted,
or if the film is not loaded, the shutter re-
lease button cannotbe pressed,leading
to
pictu
re-taking
failu
re.
16
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o Detachingtheroll
filmholder
1. Insert
a darkslideinthe roll
filmholder.
Two white lines on the side of the holder
indicate
the position
of
the inserting
slit.
2. Remove the roll film holder by sliding
both
slide
locks
(29)
inthe opposite
direc-
tion
to the arrow mark
on
the
slidelock.
* lfthe
darkslide
is
notinserted,
theslide
lock will be locked by the safety device,
andtherollfilmholder
cannot
be detached.
* When
adarkslideis
completely
inserted,
the slidelock release
lever
(31)
is
automa-
tically
disengaged,
and
the slidelocks
can
be slidwithout
pressing
the release
levers.
NOTE:
Since a coupling device for
double-exposure prevention is
adapted for the Pro-S roll film
holder, the shutter cannot be
releasedifthe film is not loaded.
When
desiring
toreleasetheshutter
withoutloading
the film.
Inthisinstance,
the shutter
canbe released
by
slidingthe multiexposure
lever of the roll film
holder to the front,
and by settingthe shutter
cocking
lever
and
pulling
out
the
darkslide.
,F
When the dark slide is.completely
inserted,
the shutter
release
button cannot be pressed.
Therefore,
eitherremove
the darkslide
or draw
it outwardto a position
where the entiretrian-
gular hole in the top center of the dark slide
becomesvisible.
,FEither
operation
of the multiexposure lever
orthe
shutter
cocking
canbe initially
conducted.
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