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Bronica ETRS AE II Finder User manual

User manual for Bronica ETRS AE II Finder. 20 pages in English. Read the original PDF, download or print a copy without registration.

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Bronica ETRS AE II Finder manual cover
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Document details

Brand
Bronica
Model / document
Bronica ETRS AE II Finder
Document type
User manual
Language
English
Pages
20
File size
3.3 MB
Category
Film cameras
Document date
Not specified in catalog

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Page 2 · Read text
The AE-II Finder E has been specially designed asan integral accessory in the Zenza Bronica ETRS
System of Photography and converts the ETRS (and ETR-C) into a diaphragm-priority TTL (thru-
the-lens) automatic exposure camera,when it is mounted in place of other finders. Furthermore, it
can also be switched to function as a coupled exposure metering system or it can be completely
switched off and used as a prism viewfinder, without any limitations on the operations of the
camera.
In the Auto mode, the exposure is automatically controlled when the lens is pointed at the subject
and, therefore, the user only needs to precisely focus the subiect and release the shutter for getting
a correctly-exposed  picture. A bright, distinct laterally-correct and upright image is viewed at the
eye-level, through the prism viewfinder, while the shutter speed can be checked prior to taking the
picture by simpiy stroking the shutter release button halfway (ETRS) andlor depressing the display
button (ETRS & ETR-CJ. The shutter speed setting is continuously displayed digitally by LED-
illumination on AUTO (while the shutter release buiton is half-stroked or display button pressed)
but flickers on and off, in the Manual mode (coupled exposure metering) and acts as a reminder to
the user of the mode of operation.
The AE-II Finder E is a very convenient and important accessory because  it has a wide exposure
coupling range for all film speeds, a choice of exposure compensalions for making under- or
over-exposure adjustments and because it can be used with the other accessories available in the
ETRS System of Photography.The accessory is specially recommended for color photography
because of the precise automatic exposure control that makes possible true-color pictures but, at
the same time, it is considered a very valuable medium for all kinds of photography requiring very
accurate exposures, especially when using telephoto lenses or when shooting close-ups.
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Page 4 · Read text
Specifications
  Magnification              O.82x, with standard 75mm lens
  Finder field              40.6 x 51.6 mm (96o/o x 94o/ol
  Eyepiece diopter        Interchangeable eyepiece lenses; -4.50, -3.50, -2.50, -1.50
  corrections                (standard lens), -0.50, +0.50 and +1.50 diopters are available.
 Exposure measuring  TTL (thru-the-lens) full aperture exposure measurements; full
 system                    rea average readings, with two silicon photocells.
 Shutter speed range   8 seconds to 1/500 second, in stageless steps, on Auto, but in
                        13 settings on Manual and OFF, of the AE dial.
 Expozure measring range EV 4 to EV 1 7 (ASA 100  f ilm)
 Film sensitivity range  ASA 25 to 3,200 (DlN 15 to 36)
 Exposure compensations Over- and under-exposure adjustments possible up to one EV
                           over and under indicated exposure reading.
  Finder indications
   Shutter speed:        Shutter speed setting for diaphragm-priority automatic exposure
                                     is digitally indicated by LED-illumination, below focusing screen                                  I
                         area,withha|f.strokeofshutterre|easebuttononbody(ETRS)


                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              I                         or depression of display button (ETRS/ETR-C). Shutter speed                    I                               scale is displayed in followinE colors:   .
                          Orange - 8 sec. to 1/30 sec.
                        Green - 1/60 sec. to 1/500 sec.                            '         Red   Over- and under-exposure warning marks.@                               -
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   Battery checker:    Red flashes in lower right-hand corner when battery power  is
                             sufficient for operations, when the battery check button on
                      body (ETRS)  is depressed
  Shutter signal:        Battery checker LED also doubles as shutter signal and flashes
                     when the shutter release action is completed (and indicates that
                                                         f ilm may be advanced, when used with Model ETRS.)
AE dial               Can be switched to three settings, as follows:-
                                                                             speed              A -  (Auto) AE circuit automatically controls shutter
                           setting (with an illuminated display indicating the shutter
                         speed setting).
              M -  (Manual) AE circuit and body control circuit operate in-
                        dependently (with a flickering display indicating the shutter
                       .speed for correct exposure).
                             - (OFF) AE circuit is switched OFF and body control cir-
                            .cuit only is in operation. Shutter speed is controlled with the
                           shutter speed dial. (No display whatsoever.)
                        Remarks: The 6 volt battery in the camera body is also used
                            as the power source by the AE-II Finder E.
Dimensionsandweight  82.5mm(width) x 125mm(tength) x S3mm(height) with
                        eyecup attached; 380 grams.
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Page 9 · Read text
Attachment and Removal of the Finder





1) The finder attached to       2) The AE-[ Finder E can       3l Always clean the con-
  the camera, such as          be attached very easily,           tact points on the body   Waist-Level Finder E,            too.                     and the base of the
  can be removed very            First, detach the find-         AE-II F inder E bef ore    easily.                             er's base cover. Then,          attachment, as other-
  Simply depress the          insert Protrusions on       wise there will  be
   finder release button          the base of the finder          faulty contact, leading
   (on the camera body)          into     corresponding         to  incorrect readings.
   and, at the same time,          openings in the finder          Always protect the base
    slide the finder to the         frame. Finally, slide         of the detached finder                                                                                                  f inder forward until          with the base cover.   rear where  it can be          the
    lifted off.                                         it locks.


 A
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Page 10 · Read text
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Setting the Film Speed to the Finder

                                      1l The  f ilm speed or sensitivity of the  f ilm loaded in the  f ilm
                               back must also be set to the film speed scale of the AE-II
                                       F rnoer ts.
                                      2l  Rotate the film speed dial, while depressing the film speed
                                     dial release button, and set the required ASA film speed
                               on the film speed scale to the index.
                                      3) Due to the lack of space, the film speed scale is not com-
                                     pletely numbered, with the dots on the scale having the
                                    following ASA rmlues. Corresponding DIN values are also
                              shown following.




                                    Table of Film Speed
ASA       25 32 4A 50 64 80 t00 125 lm 200 250 320 400 500 640 800 1000 1250 t000 2010 25m 3200
Film          25     50     r00    . 200     100 .   800   1600       3?00Speed Scale
D         I   N   15 16 r7 l8 19 20 21 22 23 24 25 26 21 28 29 30 31 32 33 34 35 36
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Page 11 · Read text
Automatic Exposure Operataons

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                                                    Brightnees                FlNumber
                                      Portraiture indoors or night scenes          2.A-4
                                      Portraiture outdoors or landscapes             5.6 - 11
                           Summer beaeh shots or winter snow shots      16 -22

1 l The shutter speed  is         2l To set the finder for automatic exposure operations,   controlled in stageless          simplv set "A" on the AE dial to the index while
   steps from 8 seconds to           pushing the AE dial release button at the same time.
     1 /5O0 second, when the            * Alwavs confirm that the AE dial release button has
   AE-II Finder E is set for             retracted completely, before proceeding, as other-
  automatic  exposure            wise normal photography, as well as automatic ex-
   ooerations.                        posure operations, will not be possible.
                                                            J'  Adjust the aperture ring and set the preselected F/
                              number opposite the white index dot on the lens at-
                                  tached to the camera. The above table is a guide for
                                     the approximate F/number to be used with ASA 100
                                           film.
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Page 12 · Read text
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4) Stroke the shutter  re-
   lease button on the
  ETRS body about half-
  way or until slight re-   sistance is  felt. The mry
   correct shutter speed
    setting for the preselect-        A redcolored triangular mark indi-   ed aperture will be dis-                                       cates under- or over-exposure and,
    played along the bottom               therefore, rotate the aperture ring   of the focusing screen                until a suitable shutter speed setting   area by LED-illumina-                         is displayed.    tion. (The same effect  is
   obtained by depressing
    the d isplay button, with
    button, with both ETRS
  & ETR-C.)
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Page 14 · Read text
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      Manual Exposure Operations
I
                          E can be used for man-           played in digits below the focusingI        1) The AE-II Finder              ual exposure operations,  in the following           screen area, in this case, but will
           @ses:-                                                                                                           f licker on and off , to remind the user           a. For using a predetermined shutter           that the accessory is being used on
                speed setting.                              Manual and not on Auto (in which
              b. For flash photography.                              case, the digits will stay illuminated).
              c. For time expozures.                                 b. When the AE-II Finder E is used in the
             d. For special effect shots.                        above manner, however,  it has no con-
                                                                                trol over the shutter speed setting and,
        2) The AE-II Finder E is used, in the fol-             therefore, the user must transfer the
             lowing manner:                                    displayed setting to the shutter speed
              a. Align "M" on the AE dial to the in-              dial, i.e., use the shutter speed dial to
               dex, while depressing the AE dial re-              set the indicated shutter speed or one                  lease button at the same time.                   adjusted for back-lighting or spot-
            The AE-II Finder E will then function               lighting or, etc.
               as a coupled exposure meter. In other
               words,  it will take an exposure reading
I            and indicate the correct shutter speed
                for the preselected aperture, when the
               shutter release button on the body  isli                half-stroked (ETRS) or when the dis-
               play button  is depressed (ETRS/ETR-
                C). The shutter speed will also be dis-
                                                 o
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Page 15 · Read text
Exposure Compensation

                                Exposu re Compensation Scale
                                  ;tJ'"f,,.",     ,."3        Y,[o"T;,".                 [ar
                                        2l  Set to "  l x" for standard exposures and change the expo-
                                      sure compensation. for adjusting the exposure, when there
                                                   is a large contrast between the light and dark areas, such
                                as in shots against the light. stage shots, or special effect
                                            shots.
                                     3t For against-the-light shots, adjust on the over-exposure
                                     side which will give more exposure to the dark areas.
                                    Otherwise, the subject will turn out black or almost so.
1 ) Exposure compensation         when standing in front of the window or against a snow-   of the indicated exoo-           covered background if taken with the standard exposure.
   sure setting is possible         4l For stage shots. etc., adjust on th€ under-exposure  side.
       f rom 1l2x to 2x, in           Otherwise, the spotlighted subject will be over-exposed
    1 l3rd EV steps, by          compared to the dark surrounding  stage.   rotating the film speed          5l Remember to return the exposure compensation  scale to                               "1x" alter taking the picture in the above manner,   dial and setting the re-
   quired exposure com-          6) With manual exposure operations. there will be no changes
   pensation to the index,              in the indicated exposure  if compensations are made after
  while depressing the           the exposure measurement. Always adjust prior to expo-
   exposure compensation             sure measurements, in such instances.
   release button at the
   same time.
 z
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Page 16 · Read text
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Exchanging the Eyepieee Lens





1 ) The standard eyepiece       2l To exchange the eye      3) The replacement qre
   lens zupplied with the          piece lens, first, detach           piece lens is zupplied in
   AE-II Finder E has a        the  rubber eyecup.            its frame, too. Insert
   power of -1.50 diopters.         Then, unscrew the fix-        the bottom end first
  When found unzuitable,            ing screw at the top end        and then screw in the
   however, it can be ex-          of the frame which will           fixing screw at the top
   changed for one of six         permit detachment of           end.   optional eyepiece lenses         the eyepiece lens with         Conzult your opt'rcian
  with powers of -4.50,                its frame.                        regarding the eyepiece
  -3.50, -2.50, -0.50,                                       lens which should be
   +0.50 and +1.5O diop-                                              ordered.
    ters.

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Page 18 · Read text
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          LED





             Optical                                         Meter Sensitivity pattern


Exposure Measuring Plane                       Exposure Measuring Sensitivity Pattern
Two silicon photocells (light receptor cells)         Since the AE-II Finder E has a  f ull aper-
are located in the position illustrated.          ture exposure measuring system, it has the
Since they are attached parallel to each          sensitivity pattern illustrated no matter
other, the meter sensitivity pattern is that       what the aperture setting. In the above
shown to the right.                                  pattern, the numbers indicate the ratio of
                                                         sensitivity for the zones. Thus, if the sen-
                                                              sitivity of the innermost "'lO" zone is con-
                                                   sidered to be 100, the outermost "6" zone
                                                                       is 60%.

                                               @
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               CAUTION

1,f
II





                           1) Always clean the contact points on the camera body and
                          the base of the AE-II Finder E, before attaching the AE-tr
                          Finder E to the camera Bodv.
                          Otherwise, there wifl be faulty contact between the two,
                         should these points be dirty, which could lead to improper
                             operations,
                          Furthermore, always protect the base of the AE-II Finder-
                       E with its base cover when it is not being used.
                         2) Do not depress the depth of field preview lever when using
                          the AE-tr Finder E on "Auto".
                    The shot will be over-exposed by the difference between
                         the selected aperture and the maximum aperture should
                     you accidentally release the shutter with the preview lever
                            depressed,
View original page 20

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