Home/Butkus archive/Bronica
Film cameras

Bronica ETR direct scan User manual

User manual for Bronica ETR direct scan. 39 pages in English. Read the original PDF, download or print a copy without registration.

39 pagesEnglish13.7 MB PDF
Bronica ETR direct scan manual cover
Read the manual Original PDF
Download PDF
Loading your manual…Open PDF directly

Document details

Brand
Bronica
Model / document
Bronica ETR direct scan
Document type
User manual
Language
English
Pages
39
File size
13.7 MB
Category
Film cameras
Document date
Not specified in catalog

Search available document text

Find a term, then jump to its page in the original PDF. Image-only pages may not be searchable; check the PDF for exact wording and diagrams.

Page 2 · Read text
[-                       Congratulations on your choice of the Zenza Bronica ETR single
                      lens reflex camera which will offer you high quality performance,
                     handling convenience and versatility required for professional pho-
                      tography. The Zenza Bronica ETR has been developed as a complete
                    modular "system" camera, with a very high degree of interchange-
                          ability in lenses, finders, focusing screens, film backs, etc. At the same
                      time, it has a full range of other valuable accessories which will permit
                               its use in many other day-to-day assignments, requiring a fast-handling
                    camera with complete exposure automation.
                To get best results from your camera, may we suggest that you read
                         this instruction manual carefully, before you even touch the camera.
                    Thoroughly familiarize yourself with its working parts, before loading
                    your fir.st roll of film, and your pleasure in using the Zenza Bronica
                ETR will be even greater.
View original page 2
Page 3 · Read text
www.butkus.us

                                     Gontents
Specifications of the
ZENZA BRONICA ETR                 ...2      17. Multiple Exposures                    . .23
 Parts of the ZENZA BRONICA ETR       ...4      18. Attachment and Removal of
  1. Loading the Battery. .   .              ...7          Film Backs.                                 . .24
  2. Checking the Battery .   .              ...8     19. lnterchanging Finders and
  3. Film Loading .  .                    ...8       Magnifiers                                   . .25
 4. Film Unloading                                  . .12     20. lnterchanging Focusing Screens     . .26
  5. Setting the Shutter Speed Dial   .            . .13     21. Film Type lndicator Frame      . . . . .27
  6. Time (T) Exposures.                           . .14     22. Attaching and Removing the
  7. Exchanging Lenses.                             . .15      NeckStrap                  ...28
 8. Waist-Level Finder.                 ..16     23. Factsaboutthe Battery . . .         . . . . .29
 9. Setting the Aperture                            . .17     24. Pointers on Shooting with
10. Focusing Adjustments  . .   .             .18         theZenza Bronica ETR            ..30
11. Film Advance and Shutter Cocking      .19     25. Care of the Zenza Bronica ETR . . . . . . .31
12. Exposure Counter                      .19     26. Accessories for lncreasing
13. Shutter Release Button.                .19          theVersatilityofthe ETR.      . . . . . .32
14. Distance Scale and Depth of Field Scale. .21      27. Zenzanon lnterchangeable Lenses  . .33
15. lnfrared Photography.  .   .               .22     Depth of Field Table                             . .35
16. Flash Photography. .   .                 .22       Accessories for the Zenza Bronica ETR . . . .  . 36
                                                         o
View original page 3
Page 4 · Read text
specifications of the zENzA BRoNlcA ETR
           Type            4.5cm x 6cm format lens shutter single lens reflex
                                       camera. with interihangeable lens, film back, finder and
                                           focusing screen systems.
                                                                                                                        1 :1 .29 closely                Frame size        42.5mm x 55.1mm (side/length ratio of
                                     matches standard paper and reproduction sizes)
              Film               120 roll film (15 exPosures)
                  Standard lens       Zenzanon E 75mm F2.8 lens; interchangeable type; 5
                                        elements in 4 groups; multi-layer anti'reflection coated;
                                  50o angle of view; F22 minimum aperture, helical focus-
                                                 ing from inf. to 60cm.(2 ft.)
                     Filter size        58mm diameter screw mount on 75mm lens; 62mm di-
                                    ameter screw mount on lenses from 40mm to 250mm
                                          focal lengths.
                  Lens mount          Exclusive four-claw Bronica bayonet mount.
                  Lens diaphragm    Fully automatic instant reopening lens diaphragm
                                          action; equal-distant aperture scale graduations; depth
                                           of field previewing.
              Shutter              Electronic control SEIKO *b between-lens leaf shutter;
                                         shutter speeds 8 sec. to 1/500 sec. plus T (time ex-
                                            posures); mechanical control setting 1/500 sec.
                    Multiple exposure   Multiple exposures possible with lever on body.
                  Film back           Daylight loading interchangeable type, exclusive backs
                                     for 12O 115 exposures) and 22O (3O exposures) roll
                                 fims,70mm (90 exposures) film and Polaroid film pack'
                                           (Supplied with 120 roll film back.)


@
View original page 4
Page 5 · Read text
www.butkus.us



 F inder                 lnterchangeable  waist-level focusing hood; single_action
                        opening/closing; flip-up interchangeable type magnifier
                         (standard magnifier --1.s diopter)l tinder magnification
                       with 75mm lens 1.25x.
 Focusing screen        lnterchangeable type; standard type has split_image
                       rangefinder spot surrounded by microprism ring; matie
                         center with full-area fresnel lens type also available.
Accessory mount       Exclusive Bronica accessory mount on left side of body.
Flash synchronization  X-setting (up to l/500 sec.)
Battery checking       Battery check button plus green-colored LED light on
                      top of body.
Battery                Single 6-volt silver oxide battery (Eveready No. b44,
               UCAR No. 544 or Matlory No. pX-28).
Dimensions         11Omm U412"1wide x 106mm (4-114,,llhish x t57mm
                        16-114"1 long (with standard lens and waist-Gvet finder).
Weight                 1,346 grams (2.9 lbs.): ETR camera with waist level
                                                   finder and 75mm F2.8 lens
                   493 giams (1 lb.):   ETR body onty (with battery)
                    326 grams 111.4 oz.l:  12O roll film back only
                    417 grams (14.6 oz.l: Tbmm F2.8 lens only
                                  1 10 grams (3.8 oz.):  Waist level finder oniy
View original page 5
Page 8 · Read text
www.butkus.us




                  Neck strap stud                                                                    Battery check button.

                                                                                                       Film plane mark


Mike Butkus  DigitallyDN:ou=Butkus.org,email=mike@butkus.org,Date:cn=Mike2025.12.20signedButkus,by17:42:49Mikeo, Butkusc=US-05'00'





                                                    utter release button
   Manual film winder                    rip shutter locking ring   Lens release dut                     Neck strap stud
                                       release connection                  locking ring       Flash synch   contact
                            Motor drive contacts                                           release socket  Film back release
                                                              Bron ica accessory mount                             button
View original page 8
Page 10 · Read text
www.butkus.us

      LoEdinE:.the,,Befiert





A. The electronically-controlled          B. Depress the battery chamber          C. Coincide the polarity marks
 shutter will not work without          button with your finger while,          (+) (-) on the battery with load   i ng the battery.                    at the same time, moving the             similiar polarity indications in
The shutter will be mechanically-           battery chamber cover in the         the battery chamber. Then,controlled, without a battery,           arrow-indicated direction and          push in the negative end of theand will be released at 1 /s0d            the cover will come off.                   battery first and follow with
sec., regardless of the setting on                                                      the positive end.
the shutter speed dial.                                                                                                                                                                                                                      I nsert the battery chamberUse one silver oxide battery                                                   cover into place, by first insert-
(EVEREADY No.544 or equiv-                                                            ing the end marked BATTERY.
alent).                                                                 Then                                                                     move                                                                                      the cover opposite* The battery can be purchased                                                                                         arrow-indicated                                                                        to thein most photographic supply                                                           tion until it locks.           direc-
or electrical appliance stores.                                                    *  Should the battery be re-
                                                                                               versed, the shutter will only work
                                                                                       mechanically at 1/500 sec. O                               ]
View original page 10
Page 11 · Read text
lf  the green-colored  battery          A. The film back consists of a          B. The film back frame, on thecheck lamp lights up when the          film holder and a film back          other hand, consists of a base
battery check button is de-                            f rame, with  exclusive film           with a dark slide slit and a backpressed, the battery 'is loaded           holders supplied for 120 and            cover with a film type indicator
properly and there is sufficient          220 roll films.                         frame. The  f ilm back  f rame
power for  electronically-con-          The film holder has an insert or          completely encloses the  f ilm
trolled operations.                     frame for loading film, as well            holder and shields it from out-
* lf the lamp'does not light up,        as a  built-in  f ilm  winding            side light (see page 24), as well
 (1 ) the battery is not loaded           mechanism.                           as connecting  it to the camera
properly or (21 the battery is                                                    Body.
completely drained and should
be exchanged.                                                                                                                                                                                                   I



@
View original page 11
Page 14 · Read text
www.butkus.us





* lf the film is not advanced          H. Close the back cover, by        L Upon loading the    f ilm,when the film winding crank  is            pressing  it strongly against the           rotate the film winding crank
rotated, the film holder is not          base of the film back, as il-            until it stops to place the first
inserted properly and/or the            lustrated. The back cover will           frame into place for taking the
camera body may be set  f or            automatically lock and close.                picture. The exposure counter
multiple exposures. ln the latter        The same operation will close            will also change from "S" to
case, return the multiple expo-          the back cover when the film           "1", while the shutter will alsosure lever to an upright or verti-        back is detached from the           be cocked.
cal position.                             body.                            The manual film winder on the
                                                                            film back should be used to
                                                                        advance the film to its first
                                                                              frame, when the film back  is
                                                                                 detached from the body. How-
                                                                                  ever, the manual film winder
                                                                                                    will not stop rotating.
                                                                                                                                                                                                                                    aiil
View original page 14
Page 15 · Read text
ilm Unloading





A. After the 1sth exposure of          B. Remove the  f ilm holder and,
the 120 rollfilm (30th exposure           while preventing the loose film
of the 22O roll film), the film         from unwinding, take out the
winding crank will turn freely            take-up spool. Seal the exposed
with  f urther rotations. There-                          f ilm and return it to its original
fore, continue rotating the film          box until development.
winding crank until the remain-             * Load and unload film away
ing film and all the leader paper                             f rom  d irect sunlight andlor
is wound up on the take-up             strong illumination.
spool.
Open the back cover when wind-
ing action becomes very light.



(iJ
View original page 15
Page 17 · Read text
Except for time exposures, theA, Time exposures are made          B. First, cock the shutter with           *
with the time exPosure lever            the film winding crank and then         time exposure lever must alwayson the lens, regardless of the              shift the time exposure lever to         be shifted so that the letter "A"
setting on the shutter sPeed            the left (looking from the body                is visible on the lens barrel.scale.                                 towards the lens). which will                                       expose a red-colored "T" on the                                        I
                                              barrel. Depress the shutter re-
                                            lease button, in this condition,
                                      and the shutter will open up.
                              To close the lens shutter, sim-
                                            ply shift the time exposure lever                                             in the opposite direction which                                   I
                                                     will expose the letter "A".

 (,
View original page 17
Page 19 · Read text
i$tr        iad€t





                                                   www.butkus.us
A. The focusing hood of the           B. To close the focusing hood,         C. The magnifier can be flippedwaist-level finder is opened by               first, push down the magnifier       up into viewing position, by
pushing or pulling up on the                (if it is flipped up). Next, Press           simply sliding the focusing hood/focusing hood/magnifier catch              in the side frames, as illustrated,           magnifier catch in the arrow-
at the rear end of the folded             and, at the same time, Press the            indicated direction (to the left).waist-level finder.                         front frame back towards the       To return the magnifier to its
                                                rear end. The focusing hood will            storage position, simply push  it
                                            automatically be folded down.          down until  it catches.                                                                                                            * The magnif ier is interchange-
                                                                                         able with one matching the eye-
                                                                                             sight of the user. See "19. Ex-
                                                                                  changing Finders".



00
View original page 19
Page 21 · Read text
Fbcusing Adjustrnents




 n

A. The lens is focused on the          B. The central split-image spot         The full-area matte surface sur-subject, by rotating the focusing              splits the image diagonallY, with          rounding the central focusing
ring in either direction, while           the upper and lower halves be-            aids can also be used for check-
checking the effect on the           ing separated diagonallY when             ing image sharpness.
microprism  ,z split-image range-           the lens is out of focus. When in
finder spot in the center of the            focus, however, the two halves
focusing screen (standard type).             will coincide with the diagonal
                                        displacement disaPPearing. The
                                        microprism ring surrounding the
                                              central spot can also be used for
                                        checking the sharPness of the
                                       focused image, since the image
                                                will glitter when the lens is not
                                            focused.

@
View original page 21
Page 22 · Read text
www.butkus.us
t
                                                                        Shutter Release Button
I





        Rotating the  f ilm winding crank         The exposure counter shows the          A. Depress the shutter release        completely one time, in the for- HHnumber of  f rames exposed or, in          button with the ball of the
       ward direction, will advance the           other words, is an additive type.           fingbr. Use a smooth and
        film one frame and, at the same           Starting from "S", the odd            gentle action and press all the
       time, cock the shutter, with         numbers 1, 3, 5, etc., up to 15,        way in. There is no need for
      the winding action stopping           are indicated in actual numbers           great strength or jerky action,
       automatically. On the other         while the even numbers are         which will effect the sharp-
        hand, short, rapid strokes, up to           indicated with dots, coupled             ness of the picture.
     an accumulated full  rotation,         with the film winding crank
          will also do the iob.                            action.
                               The letter "S" and number
                                       "15" are orange-colored while
                                               the other numbers and dots are
                                                     white.

                                                                                                                              [9
View original page 22
Page 23 · Read text
B. Safety Lock                          1. The shutter release button is           7. All  available frames (15
The shutter release button can            locked with the locking ring.               frames on the 12O roll film and
be locked to prevent accidental          2. The dark slide is inserted.            30 frames on the 220 roll film)
operations, by simply rotating          3. The film winding crank has            have been exposed.
the locking ring 55" in the         not been rotated fully. (The         C. lf the film winding crank  is
clockwise direction. This will         same is the case when the ex-            rotated while the shutter release
place a red dot on the side,           posure counter is still between          button is being depressed, the
indicating that it is locked.               "S" and "1".)                             shutter will be released at the
To release the safety lock,          4. The shutter is not cocked.               instant the winding action is
rotate the locking ring in the          5. The lens is not   properly            completed.
counter-clockwise direction,            attached. (The same is the case          D. A cable release or self-timer
which will place the dot diago-          with extension tubes and bel-           can be screwed into the cable re-
nally lower. The shutter cannot              lows.)                                         lease socket on the left side of
be released, in the following          6. The lens release button is be-             the camera body.
cases:  -                                           ing depressed.
View original page 23
Page 24 · Read text
www.butkus.us





                                                                                                 ,S',Qpt11111111111111h      p"istah'b-d  ScdNC and                                                      iCld.'





A. Distance scales on  the          B. There is an apparent zone of              identical pairs of apertures indi-
Bronica lenses for the ETR           sharpness, both in front and           cate the distance that will becan be used for setting the        back of the focused subject,             in focus at these lens openings.
focus on the required distance          which is known as the depth of           For example, if the 75mm lensor  f inding the distance actually             field. The depth of field scale                 is focused at a distance of 1.5m,focused. Simply rotate the focus-         shows the zone of apparent                  it can be seen from the depth
ing ring and set the required           sharpness at any lens opening           of field scale that the zone willdistance opposite the green-           or distance and can be utilized           extend  f rom abou t 1.2 to 2.1colored index, which will adjust          for quickly and simply ascer-           meters (4 ft. to 7 |t.l, when athe lens for the required dis-            taining the depth of field. The           lens opening of F22 is used.tance.                                depth of field scale is next to
                                       the distance scales and is made
                                     up of identical pairs of apertures
                           on both sides of the green-
                                     colored distance index. These
                                                                                                                    O)
View original page 24
Page 26 · Read text
www.butkus.us

                                                      dt,rt$tci





B. Always use flash cords with         A. To make multiple exposures,          B. Upon taking the multiple-a standard PC type plug.                   rotate the film winding crank          exposed picture, be sure to re-                                          (to advance the film and cock            turn the multiple exposure lever
                                     the shutter) and then turn the          back to its vertical position, in
                                        multiple exposure lever in the          order to  prevent inadvertent                                    clockwise or  arrow-indicated              additional multiple exposures.
                                                direction. When set in this man-
                                             ner, the shutter can be released
                            and cocked any number of
                                       times, without advancing the
                                                  film.




                                                           @
View original page 26
Page 27 · Read text
The camera body and film back
are fully coupled at all times,
upon connection. When film                                                           www.butkus.us
backs are interchanged, the
shutter cannot be released  if the
shutter is not cocked or the
film is not advanced or both.
Upon changing the film back,
therefore, always turn the film
winding crank completely one
time.  lf  the shutter is not
cocked or the film is not ad-
vanced, the incomplete actions
will take place when the film          A. To remove the film back          B. Depress the film back release
winding crank is rotated.                from the camera body, insert           button and the lower end of the                                           the dark slide into the dark slide           film back can be removed, as
                                                        slit, as illustrated, with theO                illustrated. Simply shift the  f ilm
                                  mark on the dark slide at the         back up slightly and pull  it
                                           top end. Push it all the way in.             away,
                                                                                                            * The dark slide can be with-
                                                                               drawn, even while the  f ilm back
                                                                                   is detached from the camera
                                                                    body and, therefore, extra care
                                                                                                                             is required, in this respect.




@
View original page 27
Page 29 · Read text
B. To attach the finder on the          C. The standard magnifier sup-          A. The focusing screen can bebody,  f irst, simply place Pro-            plied with the waist-level finder          exchanged, depending on the
trusions on the bottom of the           has a power of -1.50 diopters,          type of photographic work be-finder into corresPonding oPen-         which can be exchanged for             ing undertaken.                                                                   +1 .50,            First, remove the finder at-ings in the finder frame and,          others with powers ofthen, slide the finder forward            +0.50, --0.50, -2.50, -3.50 and          tached to the camera body.
where it will lock.                     -4.50 diopters. These optional          Then, move the screen removal                                               accessories should be Purchased          lever in the arrow-indicated
                                    to suit the user's eyesight,  if             direction, as illustrated. Finally,
                                               necessary.                                                   lift  it up by the lever.
                               Simply rotate the magnif ier
                                    frame in the counter-clockwise
                                          direction to unscrew.
                                          .Attach in the reverse manner'

g,)
View original page 29
Page 30 · Read text
www.butkus.us

Screens





    B. To install the focusing screen,          C. The standard focusing screen         Upon loading the film, tear off
     insert the protrusions at the         has a  split-image rangefinder          the end flap from the empty
    forward end of the   f ocusing            spot, with the split oriented at                         f ilm package and insert it  in
     screen frame into corresponding          45o diagonal, which is surround-          the film type indicator frame.
    openings in the focusing screen        ed by a microprism ring and,           This will help you keep track of
    frame of the body. Then, drop             finally, a full-area matte screen           the film loaded in the film back
    the rear end of focusing screen             plus  f resnel lens.                    and should prove useful when
   and slide the screen removal      A   f ocusing screen with matte        two or more film backs are
      lever to the right.                          center plus full-area  f resnel lens          used, with different types of
                                               outside the center spot is also                           f ilms.
                                                          available.




                                                             @
View original page 30
Page 31 · Read text
Spring catch


                     plastic fitting





A. Attaching the Strap                 B. Detaching the Strap                 C. The shoulder pad is suPPlied
As illustrated, Press the sPring           Hold the neck strap, as illustrat-            separately from the neck straP
catch and, at the same time,            ed, and depress the spring catch          and should be used in the follow-
move the black plastic fitting            while, at the same time, Pushing          ing manner. First, adjust the
back towards the neck straP,            the metal fitting forward, as far          neck strap to a suitable length
which will expose an oPening           as it will go. Then, lift the fit-         and then fix the shoulder Pad
on the opposite side. Place the             ting up from the stud.                on the inside of the neck strap,opening over the neck straP stud                                                  at the point where it will rub
on the camera body and then                                                              against the shoulder.
pull strongly on the strap,
which will lock the fitting to the
stud.



@
View original page 31

From the M. Butkus archive. Original publisher and archive notices are retained.
Check the model and edition against your equipment.

PDF verified 2026-10-10.