Zeiss Ikon Ercona 6x9 User manual

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                                                    Irzffi)tKoN   I                                        \-,./
 ERCONA 6x9 cm

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                   Incorporated in
     MItrCHANIK
VEREINIG U NG VOLKSEIGEN ER BETRI EBE DER
PHOTO., KINO-. UNO gUROMASCHINEN-INDUSTRIE
  DRESDEN A 21  . SCHANDAUER STRASSE 7G
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The ERCONA lis truly a "spring camerA", that means, when the
camera is opened with one hand, the objective, with a slight fotward
inclination, immediately springs into position for use. Double
exposures of one portion of the film have been obviated by the fact
that the shutter cannot be released until the film has been turned
on to the next picture, and this, again, is indicated by a signal disc.
Negative material for the camera is the customary roll film 6X9 cm
(ontyV 120). Thefilmwindow in the back of the camera is protected try
a cover for the safe use of panchromatic film. The wide aperture of
the Novar lens f/4.5, 4'lu" focus allows for instantaneous  snaps, even
when light conditions are not favourable, while the red point
focusing increases the readiness for exposure.
Under all circumstances,  practise handling your camera repeatedly
without a film in it before taking it into final use.

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I. Load,ing the Filrn
The film spools, when rolled up, are light-proof. But in spite of
this, fil-n ,:hould be stored,_ and _cameras should be loaded and
unloaded only by dim light.
 1. Push the catch (1) in the direction of the arrow and at the same
   time open the camera back.
 2. Pull out the spring pivot (21) and place the full spool in tbe
   empty chamber from which the tilm is wound off. The tapered
   end of the paper layer must point towards the rewind-spool
   chamber, which coirtains an empty spool ready to receive thc
   cxposed film.
 3. Tear off the gummed paper strip ancl insert the pointed end of
   the paper band into the long slit in the empty spool. The black
    surface of the film-protecting paper now faces the inner side.
 4. 'Iiglrten the paper band by turning the key (7) in the direction
   of the arrow, making sure that  it  rolls quite straight. Adiust
   any unevenness immediately.
 5. Close down the camera back, clicking in the catc.h (1).
 6. Push aside the cover of the film window and wind the film by
   turning the key (7) until  first a trand and then the number
   1 appears in the red film window.- The film is now ready for
   the first exposure.
                              -2-

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           7. The cover must be pushed back over the film window each time
            after the film has been transported to the next number. (This
               is especially important when using panchromatic film.)
          II. Setting the Shutter, Lens Dinphragm)
       and Dista,nee
          1. Pressing the button (2) brings the camera into working position.
             (Incline the camera slightly forward when opening.)
        The camera is blosed by pressing the short upper joints of the
           struts and folding up thc base hoard. Take care that the lens is
           readjusted to infinity betore closing thc camera.
         2. Set the diaphragm by means of the diaphragm lcver (10). Ttre
            flat end of the lever must hereby indicate the desired number.
        The larger the diaphragm number. the smaller the lens.aperture,
         and, consequently, the longer the tinre needed for exposure.
         But the depth of sharpness will also be greater. Special references
         with regard to the depth of sharpness are made in the table on
         page 8, rvhich also shows the diaphragm and distance setting
           necessary when the sharpndis'lras to cover d certain range within
          the picture. The persons in the front of a group, e. g., are 11 fcet
        away from the lens, and those at the back 28 feet. The table
         shows us that the diaplrragm number 11, combined with 15 feet
           distance, will do to give sharpness over the entire range from
             70/2t' to 28'10t'. Thc whole group will thus be sufficienflv sharp
            in the pictulc.
         3. The distance is set by turning the focusing mount (12).
         The distance scale is engraved on the Iens mount and the number
         of metrcs, mcasured between the object to be photographed
        and the focal plane of the cilmera, mnst be set to ilre indicator
         above the mount. 'r'he adjustable distauce ranges from infinity
          to 5 fcet.
         4. The shutter cannot work unless the camera is open and ilre
         portion of the film rgady for the snapshot has not yet been
           exposerl, which is showi by the red in<lex.
        The shutter allows for speeds of l/ruth, t/uoth and t/rooth of a sec.
        and time exposur.es.

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5. The shutter speeds arc set by turning the speed adjustment ring
   (12). The numbers indicate fractions of a sccond. The black mark
  on the rlng must be exarctly opposite the white stroke showing
  the desired speed. Time exposures are marked by the letter ,,E1".
III. The Enposure       trt{Kul, v S
1. To release the shutter, press down the release knob (6) until  it
   clicks. I{ake sure that the knob is pressed down as far as it wilf
  go. To avoid blank exposures, the pressure should by no means
 . be slackened half-way, as this brings the locking device into
  action, and the shutter cannot be released again until the film
  has been moved on to the next picture.
  Should it, however, happen that the locking device comes into
  action too soon, the shutter can be released by means cif the
   Iever (18).
  An accidental pressure on the release knob when opening the
  camera might have the following consequences:
                                                           -       either the release le'rer runs clown without reieasing Lirtr       "shutier,              although the red clisc still remains in tl're number
     window (5); in this case it  suflices to close the camera
       again, whereby the white indicating disc .becomes visible.
    On re-opening the camera, the picturc can be saved by                           I
          '  releasing the lever (18),
      or the release knob cannot be pressed down again, thc
     number window already shows white, but the shutter is
          still set. Tlris also means that the lever (18) must be nsecl
       for releasing.
 when set at "8" the shutter remains open as long as flre release
  knob is pressed down.
 The exposure can, if desired, be made with a llexible wire release
  which has to be screwed into the thread in the release knob (6).
  Next to the film-winding key a litfle window alternately shows
  a whitc or red number disc (5). If the camera is being correcfly
  handled, thcr white diqc indicates that the film has not been
  transported, which means that the shutter cannot yet be released.
 Red calls for caution! An unexposed film is ready for exposure.
 Do not touch the release by mistake.
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2. We are not giving special directions as to holding the camera.
  The main thing is to take care that it rests firmly and steadily
   in the hands.
   It  is very comfortable to hold the apparatus fast in the palm
  of the left hand, while the right hand firmly encloses the camera
                                                                   presses  body. In this position the middle finger of the left hand
  the release knob.
  With upright pictures it is different. The camera must now rest
   for the most part on the fingers of the left hand, while the left
  thumb presses the release knob.
3. The filder springs up automatically when the camera is opened.
   It is readjusted by first turning in the lens (3), then covering
  the view finder (4) over the lens and pressing it down until it
   clicks into the catch (14).
   Tl-re finder must be held quite close to the eye, so that the
  edges of the vision finder (4) and the lens (3) exactly cover
  each other.
                                                          pushed  Take care howevei, that the vision finder (4) is not
   forwarcl When viewing the object, as this Would cause a distort-
   ion o{ the picture.                                           i*
  When exposing, make sgre that the vertical lines of the object
  run parallel with the edges of the finder, otherwise leaning forms
   in the picture will be the result
  A finder shoe (13) has been fitted to the lens panel, into which,
    if necessary, a brilliant view finder can later on he fixed.
 4. The camera is equipped with two tripod screws, so that it may
  be used in connection with a tripod.
  The screw (15) in the side of the clmera is for |orizontal
    pictures.
  The screw (16) in the base board is to be usecl for upright
    pictures.
 5. The wide aperture of the lens allows for instantancous exposures,
   In dlll weather the shutter must be set at lower speeds. In this
   case quickly moving ob;ects, especially at a close distance, cannot
   be photographed.
   Portraits and close-up pictures at a distance of 6 feet should be
   taken with a large aperture. Far-away views and obiects at some

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          distance, on the other hand, come out to better erdvantage if
         taken with an aperture of f/8.
         In order to be ever ready for use, also in emergencies, the Ercona
          is equipped with the popular Zeiss-Ikon two-point focus. The
         diaphragm is set at the red point between 11 and 16, and the
          distance scale of the lens shows the red point at atrout 33 feet.
         This setting gives a depth of sharpness from about 15 feet up
          to infinity, which suffices for most exposures
!
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      fV. Unl,oading the Eilrtt,           furlk,-L,a5
       After eight pictules the exposed film must be taken out of tire
       camera, which is performed as follows:t
           t. Turn the film-windig key (7) until the end of the paper passes
          the window in the camera back.
        2. Push the catch (1) in the direction of the anow and open the
         camera back
         3. Take firm hold of the film-protecting paper and roll it complete-
           ly on to the spool.
          Paste up the exposed spool with the g;ummed paper strip hang-
          ing on to it.
         4. Pull out the spring pivot (20) and remove the spool. In order
         to protect the film against the light, it is best to put the ex-
         posed spool back into the light-proof metal-paper, in which it
        was originally packed.
         5. Take the empty spool out of the chamber from which it was
        unwound and place it into thc rewind-chamber. The axis ol the
           spool is hollow at both ends. When inserting the spool, take care
          that the slit end :o:   is adjusted to the shaftof the film-wind-
          ing key, whereas the round hole fits on to the peg (20), which
          has to be pulled out when inserting the spool.
         6. Turn the film-winding key (7) until it snaps into the spool and
         the spool rotates with it. The camera can now be loaded again
          with a new film.
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