Film cameras
Bronica Broncia EC User manual
User manual for Bronica Broncia EC. 42 pages in English. Read the original PDF, download or print a copy without registration.
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Document details
- Brand
- Bronica
- Model / document
- Bronica Broncia EC
- Document type
- User manual
- Language
- English
- Pages
- 42
- File size
- 6.3 MB
- Category
- Film cameras
- Document date
- Not specified in catalog
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Page 3 · Read text
Thank you for purchasinga ne\rvZenza Bronica EC,
The BronicaEC is a systemcamerathat featurureslens interchangeabilityand
a high-precionelectronicshuttercontrol mechanism. To insuremaximum
photographicperformancefrom thecamera,pleasereadthis dookletof instruc-
tionscarefullyand let be it your guidein camerahandlingand operation.
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,*1. :a;n4|!i4ild&tr* . *iIdIE&5;a^ ,.rdSiil**' ;,&;,...;View original page 3Page 12 · Read text
www.orphancameras.com 2) Fllm Loading and Removal b O p e n i n g t h e b a c k c o v e r o f t h e f i l m b a c k c Spool holders are located at the top and a To open the cover of the film back, r e v e a l s t h e f i l m h o l d e r i n s e r t , w h i c h h a s bottom of the insert. The top holder is for depressand hold down the back cover safe- two center-positioned knobs. Press these in- the empty take-up spool and the bottom ty lock and push the back covel- opening ward, releasing the lock, and remove the holder is for the fresh f ilm spool. A spring button in the direction of the arrow. i n s e r t f r o m t h e f i l m b a c k b o d y . pressureplate is located on one side of the * Pressthe safety lock first. Depressingthe spooltake-upholder.spool Insertagainstonethisendplateof and,the emptywhile back cover opening button f irst will prevent pressingthe plate out, insert the other endopening the back cover. of the spool into place. 1 0View original page 12
Page 16 · Read text
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k To remove the exposed f ilm, remove the 3) 12 and 24 Exposure Switchover noticed before the 12th exposure, make
f i l m h o l d e r i n s e r t f r o m t h e f i l m b a c k w h i l e l12O f ilm and 22O f ilm) switchover and 24 exposures can be taken
c a r e f u l l y g r a s p i n g a n d h o l d i n g t h e l o o s e When using 12O film, align the white dot normally. lf switchover is neglected after
f i l m . A f t e r r e m o v i n g t h e f i l m s e a l i t . a n d t h e n u m b e r " 1 2 " b y p u s h i n ga n d h o l d - making the 1xh exposure, switchover and
* A v o i d d i r e c t l i g h t o n t h e f i l m w h e n l o a d - ing down the center of the dial selector the remainingexposurescan be taken with
with the tip of the thumb and turning it to the exception of the f irst exposure f ollow- ing and removing.
this setting. In the case of 22O f ilm, align ing switchover provided film advance has
the white dot and the nu mber " 24" . not been attempted. lf f ilm advance has
been attempted, eXposure loss will corre-
* When using 22O film always rememberto spond to how far film advance has been
switch the selector dial to this setting to made. Exposure loss can also be extended
avoid the needlesswaste of f ilm. This will to the 23rd and 24th exposure, even
result because,if 22O film is used and the though the cou nter registers a 23rd and
selector is still set at "12", the shutter will 24th exposure normally. Extreme caution is
be freed automatically from the cocking necessary to avoid this accidental loss of
function after the 12Lh exposure has been f i l m . A L W A Y S M A K E S W I T C H O V E R l M -
made, and continued turning resultsin f ilm M E D I A T E L Y A F T E R C H A N G I N G F I L M
advance only. lf switchover is neglectedbut TYPES.
1 4View original page 16Page 17 · Read text
4)Attaching and Removing Film Back b To attach the film back to the camera * After attaching the film back to the
a To remove the f ilm back f rom the body, set the bottom of the film back on camera body, always withdraw the dark
camera body, withdraw the dark slide f rom the open hinge on the camera bottom, after slide and insert it into the dark slide
the film back pocket, as shown in the which withdraw the dark slide. pocket. Shutter releaseis not possiblewith
photograph, and insert it into the film back the slide inserted,and there is the possibil-
(between the film back and camera body). ity of the f ilm back falling from the camera
Push the dark slide inward with the thumb, if it is carried in this state.
releasing the back from the camera body,
and then remove it from the top.
* The dark slide cannot be withdrawn while
the film back is off the camera body.
1 5View original page 17Page 18 · Read text
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2. Shutter
l) Checking Battery Power and Loading b To load the battery, insert a coin into G A red " +" mark and a blue " -" are
a The Bronica EC electronic focal plane the battery chamber opening button on the stamped inside the battery chamber. Insert
shutter will not operate unless a battery is bottom of the camera and turn it in the the battery matching these marks with the
loaded in the camera. Battery type is Eve- arrow direction. "+" and "-" marks on the batterv, placing
ready No. 544. UCAR No. 544, Mallory No. the negative side of the battery into the
PX-28 or equ ivalent. chamber f irst, pushingthe positiveside into
place, and then closing battery chamber
* Use the specified battery only. cover. The shutter will not operate if these
polarity marks are mismatched.
1 6View original page 18Page 20 · Read text
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3. lnbrchanging Lenses
3) Setecting Shutter Speed * lf the shutter button is depressedwith To permit free lens interchange, use the
a Turn the shutter speed selectorand align the shutter speed selector at an intermedi- large or srnall bayonet mount or the screw
the desired speed with the red index stop. ate speed, the shutter remains open, and mount (threads are provided inside the
Shutter speed selection can be made before the f ilm shutter knob/crank cannot be small bayonet mount). All three mounts are
or after turning the film shutter knob/ turned for the next exposure. As long as the same as those for Bronica C, 52, and
crank. Always turn the shutter speed selec- this condition exists, battery power is con- S2A cameras, So the same interchangeable
tor until the desired speed clicks into place. sumed. To make correction, return the lensescan be used.
Intermediatesettingsare not possible. selector to the correct setting. Always make
sure the shutter speed selector is positioned
at a full setting. 1) Small Bayonet Mount
a Use the small bayonet mount when
mounting the 40mm, 50mm, 75mm,
1 0 0 m m , 1 3 5 m m , 1 5 0 m m , a n d 2 0 0 m m l e n s .
1 8View original page 20Page 21 · Read text
b To mount a lens, turn the focusingring G To remove a lens,turn the focusing ring 2l Large Bayonet Mount
fully clockwise, align the red dot on the fully clockwise,pressand hold the lens re- a To remove the focusing ring, turn the
lens and the red dot on the mount, and lease lever with the thumb on the left-hand focusing ring all the way to the left until it
turn the lens clockwise until it click-locks side of the lens, turn the lens to the left stops, hold down the focusing ring release
into place. (counterclock-wise)until it stops, and with- button, and turn the focusing ring further
draw the lens. to the left and withdraw. Withdrawal re-
" When the lens is correctly mounted, the vealsthe large bayonet mount.
aperture ring will be in on the dotwhite * Remove the focusing ring only after hav- position. centerthe top
ing removed the lens.
1 9View original page 21Page 25 · Read text
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2lFilm Advance with Respect b Because the camera and film are sepa- 3) Opening Waist-LevelFinder
to I nterchangeableF ilm Backs rate mechanisms when apart and work as and Magnifier
a In the midst of picture taking or before, an integral when together, a number of a To open the waist-levelfinder, push up
film backs can be interchanged.After a conditions can present themselves:the shut- the catch for the focusing hood and magni-
new film back is attached, be sure to turn ter can be cocked out the f ilm of a particu- fier. To close the finder, push it downward
the f ilm shutter knob/crank. lf it cannot be lar back in an unadvancedstate or the shut- from the top. lt folds down in a singleac-
turned, this indicates the mechanism for ter can be in a n u ncocked state and the tion.
f ilm advance and shutter cock ing is ready f ilm in the film back in an advancedstate.
for picture taking. Always turn the film When the back and camera are coupled in a
mismatched state, the Bronica itself deter-shutter knob/crank each time a new back is
mines the exact cond ition. I n the caseused.
when the camera and film back conditions
match (tfre film in the film back has been
advanced and the shutter has been cocked),
the film shutter knob/crank will not turn.
In a mismatchedcondition, it will turn. lf
the knob/crank does not turn, picture tak-
ing can be commenced. lf it does turn, con-
tinue turning it until it stops to correct the
2 2 mismatchedcondition.View original page 25Page 26 · Read text
b lf critical f ocusing is necessary,use the 4) Focusing 5) Aperture Setting and Depth of Field
magnifier in the waist-levelfinder. To raise To focus, turn the focusing :-ingwhen using Preview ing
the magnifier, slide the catch for the focus- an interchangeable lens having a focal a To set aperture, tu rn the aperture rirrg
ing hood and magnifier in the direction of length of 200mm or shorter, except with on the lens and align the desi.ed stop and
the arrow. The magnifier will pop up. To the 105mm lens, which has its own focus- the white dot. lntermediatesettingsare also
return the magnifier, press it down into the Ing nng. possible. All lenses intended for Bronica
insidetop of the finder with the thumb. lt use, have their own automatic diaphragm
will lock into place. except the B00mm lens and 1 ,200mm lens.
* Magnifiers are interchangeable.(See the Even with the desiredaperturealignedwith the white dot, focusing is made at full aper-sectionon InterchangeableMagnifiers, paEe ture. At the instant the shutter button is
26.1 depressed, the diaphragm closes down to
the preselectedstop.
2 3View original page 26Page 28 · Read text
.ror .
7) Shutter Button G To unlock the shutter button, turn 8) f ime Exposure
a The shutter button has a red dot and cou nterclockwise. Time exposure can be made using the shut-
can be releasedif the dot slants off to the ter button. First, align the red dot and the
right and downward. d The shutter button also has a threaded "8" (bulb) on the shutter speed selector,
hole in the center to accept a cable release. and, while pressingdown on the shutter
b The shutter button can also be locked button, turn it clockwise 45 degreesand
to prevent accidentalexposure. To lock it, releaseit. The shutter remains open as long
turn the shutter button clockwise 45 de- as the shutter button is in this position.To
grees,at which time the red dot will face close the shutter, turn the shutter button
straightout from the right. counterclockwise45 degreesto its original
position.
* W h i l e t a k i n g t i m e e x p o s u r eu s i n g t h e " 8 "
setting, battery power is not consumed.View original page 28Page 32 · Read text
7. Interchangeadle
FocusingScreens
Split-image prism
1) Types and Features Type A focusing screen with mat center Type C focusing screen with split-image
a Focusingscreensmay be selected freely For general photographic use. The subject pnsm
accordingto photographic motif. Types and is brought into focus in the mat center. Focusing is fast and accurate with this
featuresare as follows: lmage brightness extends to the edges of type. With the center of the split-image
the screen becauseof the fresnel lens. This p r i s m a s a g u i d e l i n e ,t h e i m a g e o n t h e i o p
type is best suited to taking pictures using and the one on the bottom match when
a1ens with a long focal length. focusing is perfect. When you stop down
Type B f ocusing screen with microprism the aperture to below t14.5 and want to
center check f ocusing, use the mat center rather
Also f or general photographic use. The than the split-image,which is darker at this
image in the microprism and mat center setting. Use the mat center, also, when
mergesto appear as one. When the image in f ocusingin dark areas.
the microprism is not in focus, screendots Type D focusing screen with fine mat finish
obscure the subject. This screen has no fresnel lens and the en-
tire surface is matted. lt is suitable for the
photographer who has become used to and
prefers a full mat screen.lt is also suitable
for use with the telephoto lens,but not for
the wide-angle lens because edges are too
d a r k . 2 9View original page 32Page 34 · Read text
Spring Pressureplate
Plastic holder
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b To remove the neck strap, grasp the c Shoulder Strap Cushion Two th readed ho les are provided beneath
strap, as shown in the photograph, and After adjusting neck strap length, attach the camera f or attaching a tripod. The
with the finger-tip, press down the spring the shoulder strap cushion to the inside large, 3lB-inch-diameterhole is for Euro-
pressure plate, and push the strap metal loop of the neck strap. To attach the cush- pean-make tripods, anb the small 11 -inch-
into the plastic holder, unlocking the strap ion spread it in the middle using thumb diameter hole is for Japaneseand Ameri-
from the strap stud. pressure,and thus opened, insert the inside can-maketripods.
loop of the neck strap, and releasethumb
pressureto close. The screw on the tripod slrould not be
threaded too tightiy into the camera as this
may damage the camera. Care is necessarv
during mou nting.View original page 34Page 36 · Read text
11. Points to Remember ofa interchangeableAlways make fullf ilmusebacks:of the advantages sureI Tfrelevertrianglemustindex.be resetof theto multiple"A" irnmedi-expo-
b You can take black and white and color ately after completion of multiple exposure
pictures alternately. shooting to prevent inadvertent additional
c lf a pre-loaded spare film back is kept multiple exposure.
on hand, you may shoot continuously with- m The film shutter knob/crank will stop
out f ilm-changeinterruption after two turns, but if additional pressureis
d lf at any point during picture taking, exerted it turns further. This does not indi-ll you find that for the next picture the type cate malfunction but functioning of a safe-
of film you are using is not suitable for ty device to prevent camera damaqe.
your purpose, you may change film backs n Unlessf ilm is loaded,the shutter cannot and continue shooting without the needless be released,but if you set the multiple ex- waste of f ilm used originally. posure lever triangle index to "D", you can o The camera can be used in the home cock the shutter. This permits shutter test- and in the studio by any number of pre- ing with respectto f lash synchronization. sons because of the interchangeability of
film backs feature. This permits someone o Even if you make a long exposure with
else to use the camera bodv with their own the shutter speed dial set to "8" (bu lb),
film back, even if the other person has battery power is not consumed.
not completed shooting his roll of film. F When taking long time exposure in tem-
This is another convenience feature that perature around 32" F (O'C), voltagedrops;
points out the versatility of the Bronica use a new battery or have a spare battery
EC. on hand as a precaution. Keep the spare in
f When the shutter cannot be releasedby your pocket to keep it warm.
pressing the shutter button check the fol- q lt is not recommencledto leave the shut-
lowing: ter cocked for a prolonged period of tirne.
g Whether the shutter is locked. Before storage or before putting the camera
h Whether the dark slide is inserted be- away, always make sure the shutter is not
tween the film back and camera body. cocked.
i Whether the film shutter knob/crank has r lf the camera is not to be used for a
been fully turned. long time or if you are packing it away for
j Whether the battery is dead or power is an extended trip, remove the battery from
insuffic ient. the battery chamber.
k Whether the battery is loaded in the bat-
tery chamber correctly with respect to
polarity.
3 3View original page 36Page 42 · Read text
Zenzanon3OOmmF4 5
Lensconstruction..6 elementsin 5 groups M i n i m u mf o c u s. . 4 m ( 1 3 1 2 t t )
A n g l e o f v i e w . . . . . 1 4 ' 3 6 ' Filter size .B2mm screw-intype
A p e r t u r se t o p s . . . . 4 5 , 5 6 , B , 1 1 , 1 6 , 2 2 , 3 2 L e n sh o o d . . . . .B u i l ti n h o o d
D i a p h r a g m F u l l ya u t o m a t i cd i a p h r a g mW e i g h t . .. . . 1 , 9 0 0g r a m s
N i k k o r 4 O O m mF 4 . 5
Lensconstructton. 4 elementsin 4 groups M i n i m u mf o c u s . . . . 5 m ( 1 6 4 f t )
A n g l e o f v i e w . . . . . 1 1 ' Filtersize . .. I22mm screw-intype
A p e r t u r e s t o p . . . 4 5 , 5 6 , 8 , I I , 1 6 , 2 2 Lens hood.. ....Builtin hood
D i a p h r a g m . . . . F u l l y a u t o m a t i c d i a p h r a g r n W e i g h t . . . . . 3 , 3 0 0 g r a m s
N i k k o r 6 O O m m F 56
Lensconstructron..5 elementsin 4 groups M i n i m u m f o c u s . . 1 l m ( 3 6 f t )
A n g l e o f v i e w . . . . . . 7 " Filtersize .. .I22mm screw-intype
A p e r t u r e s t o p s . . . . . 5 6 , 8 , I I , 1 6 , 2 2 Lens hood ... Built-inhood
D i a p h r a g m . F u l l y a u t o m a t i c d i a p h r a g m W e i g h t . . . . . . . . . . . 3 , 8 0g0r a m s
N ik kor SOOmm F 8
Lens construction 5 elementsin 2 groups F i l t e rs i z e. . . . . . I 2 2 m m s c r e w - i nt y p e
Angleof view 5'30' Lens hood .. . Built-inhood
A p e r t u r es t o p s . . . .. B , 1 1 , 1 6 , 2 2 , 3 2 , 4 5 , 6 4 W e i g h t . .. . . . 4 , 2 0 0 g r a m s
D i a p h r a g m . M a n u a l
M i n i m u mf o c u s . . . l 9 m ( 6 2 3 f t )
N i k k o r l 2 O O m m F l l
Lens construction...5 elementsin 2 groups Filtersize . .I22mm screw-intype
Angleof view 3"40' Lens hood .Built-inhood
A p e r t u r es t o p s . . . . 1 1 , 1 6 , 2 2 , 3 2 , 4 5 , 6 4 W e i g h t . . . . . . 5 , 0 0 0 g r a m s
D r a p h r a g m. . . . . .. . . . . M a n u a l
M i n i m u mf o c u s . . . 4 3 m ( 1 4 1f t )
3 9View original page 42From the M. Butkus archive. Original publisher and archive notices are retained.
Check the model and edition against your equipment.
PDF verified 2026-10-10.