Praktica VF - IV - Color, single pages User manual

The PRAKTICA v is o single-lens reflex comerq for the 24xs6nm
picture formot. The firmly built-in pentoprism reveols on upright,
porollox-free finder imoge with sides unreversed,
Speciol feotures of the PRAKTICA VF:
             Return mirror
            Double focusing system
            Ropid lever wind
            Coupling of shutter wind ond film tronsport
             Lock ogoinst double exposures ond blonks
             Focol-plone shutter tot 1f z sec. to r/5s6 sec. qnd B
              Synchronizotion for elektronic flosh ond bulbs
            lffi*::t"r::';f"'"'  with rocoI rensths rrom
            Automotic pressure diophrogm
           ond wide ronge of qccessories
Subsequent model developed from the PRAKTICA VF:
PRAKTICA V FB with built-in photoelectric exposure meter

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 Inder

                                         prge
 fntrod.uction     .....   2ndfnside Covcrpage
 Illustrations  of Camera . .  Brd & 4th Cover page
 Interior of the Cameia....:.....                  I
 Penta.Prism                        .;.......2
 Focusing.                                     B
 Aperture                                       B
 Aperture Setting                           4
 Automatic Aperture                          b
 Pre-Set Aperture                             6
fnterchangeable Lenses                       6
Micro Exposures, Colour Filters,....  ......    g
nitance Scale, Aperturc and Depth
otField          ......                         8
Release,Transportetc....           ...10
ExposureTimeSetting           ......10
SpecialCable Release.....         ........    1A
Flash Synchronisation.              .. ...  . 14
Close-Ups                              .....lb
Insdrtion of tr'ilm.                     .....T2
Removal of Film                                      . . ..  .. 18,
X'ilm Material.. .. .                           ..-  t9
tr{aintenance              ..  . , . bth Cover page

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Technieol Dota
 Lenaes
 Focal Lengths from 35 mm to 500 mm
 with Apertures ranging frop f. l,S to f. B.
 All lenses are hard coated and colour
 corrected. Automatic and pre-set Aper-
 tureg. Thread 42x1.
 Shutter
 Focal Plane Shutter /2 sec to r/oooth sec
and ,,8". Synchronised for Electronic
flash aud bulbs.
Yiewing Systern
Penta Prism.
Parallax-free Mirror Reflex Setting on
Ground Glass Screen.
Film Transp:rrt
Coupled with Winding Mechanism. No
blank or double Exposures.
Weight    approx. l/2lbs without Lens         -I)imeneions               6 x qyzX 2 fnches             -

Look After your Proktiscr lU

       To protect your camera it is advisable to use an Ever Ready Case. This also protects the camera
I       during shooting without any loss of speed and efficiency. It is advisable to store the Camera
        always in the Ever Ready Case and H'ith a screwed.in Lens. The Camera must be kept scrupu-
tItI        louslya LenscleanBrush.especially those parts which come into contact with the film. For this purpose use
      The Lens Components must never be touched by hand. Tlrey must be cleaned with a Lens
        Brush. The lens blooming is not affected by this cleaning method.

      Any faults developing out of negleet are not covered by the guarantee. Any tampering with the
       Camera Mechanism should be strictly avoided, and repairs should be carried out by the factory
         or qualified camera repairers. Any greasing can render the camera faulty or decreases the picture
         quality.

        Information and advice are readily given by the fmporters or the Manufacturers.
       Through further developments in the camera technique some alterations from the above may
         result.

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Abridged Instructions  l.  Remov€ Comero bock.
                                       2.   Insert film. Teeth of tronsport sprocket must cotch film per-
                                   forotion. The film must be drqwn tightly ocross the picture gote
                                (octuote rewind knob to tighten  itf.

                                  3.  Close comero bock.

                                    4.  Set film speed indicotor on speed or symbol of film in comero.

                                       5.  Cock shutter twice ond releose it eoch time (by meons of winding
                          knob or ropid wind lever.

                                    6.  Set exposure counter on ,,Ott,

                                    7.  Set the exposure speed by meons of speed setting ring.
  Only for PRAKTICA    7o. Lift rewind knob up os for qs it will go. Set mork of stop volue
             YFB       diol with setting knob ogoinst the corresponding film speed.
                          Push rewind knob in.
  Onty lor PRAKTICA    7b. Direct comero towords object, Turn speed setting diol until follow
             UFB        pointer coincides with meter needle.

Hoving found the required combinotion of shutter speed ond
fl                       operture, set the controls in occordonce with 7.,8. ond 10.
                         8.  Move setting knob for speed groups to the mork for long or
                         short exposure speeds (red or block mork).
                     Cock the shutter (full turn of winding knob or ropid wind leverf.
                    Turn operture setting ring on lens mount to diophrogm stop
                       required for exposure.
                      Focusing is performed by octuotion of distonce setting ring.
                 To moke the exposure, depress shutter releose steodily os for
                    os it will go.
                      13.  After the lost exposure on the film lift the lrpper section of re'
                    wind knob (in PRAKTICA V FB the rewind cronkl, depress rewind
                      releose knob ond rewind the film in the direction of the qrrow
                           until resistonce is felt.
                    14. Open the comero ond remove the film.
              YEB PElITACON  DRESDEN
                         Komero-   und  Kinowerke


                                                                                                          |t-9-22 Jt 4{35i64 1366E

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The lnterior of the Ccrmero

The Interior houses the Reflex Mirror which
set at an angle of 45". This mirror diverts the
Lens Rays so that the image appears on the
Ground Glass Screen. When the Body Release is
depressed the Reflex Mirror moves out of its
position and masks any detrimental light coming
on to the Ground Glass Screen leaving the rays to
enter through the Lens freely. In the course of
the shutter being released the picture is projec-
ted on to the piece of film releaeed by the shut-
ter. This makes all additional viewing aids super-
fluous. With lenses of every focal length a paral-
lax-free image and exposure result. This makes
the Praktica IV specially suitable for Close-up
Work when a so-called delayed release is adop-,
ted.

Tha Pento Prism

The built-in Penta Prism enables the photographer to view at eyc
level towards the subject. The great advantage of the built-in Penta
Prism is that the image on the Ground Glass Screen is upright and
correctly positioned. The movements of the subject are thus cor-
rectly viewed on the Screen, rvhich is most essential for sports
photographs. Iispecially useful is the Penta Prism for vertical expo-
sures, here too, the irnage is upright and correctly positioned.
Special corrective eyeglasses can be fitted to thc Penta Prism for
spectacle wcarers, Detrimental  side light can be eliminated with the
                Rubber Eye Cup, which ensures great accu-
                 racy and speed lvhen focusing.

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Depth of Field Setting           Aperture
The Depth of Field is set on the Distance      This is done with the Aperture Setting Ring.
Setting Ring on the Lens Mount. The     Low numbers mean a wide and high numbers a
Distance Setting Ring is rotated to the      small opening of the shutter. The amount of
left or right until the image on the       light coming through the lens and shutter ic
Ground Glass Screen is absolutely sharp.      governed by the Aperture. Large Apertures
It is advisable to focus with the Aperture       require short and small aperturer long exposure
wide open as the Depth of Field range is       times, i. e. with cvery higher aperture stop the
then the smallest.                           exposure time doubles. The Aperture also con-
                                               trols the Depth of Field with the difierent
                                             distance settings, as shown on the chart on
                                        page 9.

Aperture Setting

Depress Aperture Scale Ring backwards until
it clicks into the required Aperture Stop. The
Automatic Aperture is set by turning the Lever
to the right (looking at the Camera from the
front) until a resistance is fclt. The picture can
now be viewed with the largest aperture open-
ing. When the Body Release is depressed the
Aperture returns to its pre-sclected stop.

Prc-Set Aperture

The Ring directly behind the Aperture Scale
has to be pushed bachwards and adjusted so
                                  Chonging the Lenethat its marking meets the desired Aperture
number and clicks in. You may now focus with      The Standard f,enses have a focal length
the lens at full aperture and return to the pre-       of either 50 or 58 mm. Interchangeable
selected diaphragm stop without removing the      Lenses are available for the Praktica IV
camera from your eye.                        from a focal length of 35 mm up to
For lenses with pre-set Apertures the Automatic      500 mm, and to an Aperture of 1:1,5,
Aperture has to be disconnected. This is done      thus making thc Camrrra adaptable to
by moving the Red Knob in the Lens mount to       practically every situation.
fhe right (l). When Lenses with Automatic       S'ith Lenses of a long focal length
Aperture are used again the Mechanism is put      distant subjects are brought nearer.
back into working position by moving the Red      and rvith short focal lengths the picture
Knob to the left.                              angle becomes rvider. All lenses ar(.

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 easily and quickly interchanged; and they have a screw
                                                                              50 mrn
 thread M 42X 1. By turning the Lens in anticlockwise             focal length
 direction  it can be easily removed. The Reflex Mirror
can now be seen and, as this is a very sensitive part of
the camera mechanism, it must be protected. For this
purpose, depress Body Relcase which moves the Reflex
Mirror upwards. Should there be any dust inside the
camera it should be removed with a soft lens brush. The
Ground Glass Screen is free of parallax with Lenses of
every focal length. It is advisable not to chanse lenses in
bright light when a film is inserted.





                                                                             400 mm
                                                                                    foeal length

Micro Erporures                           junction with the Depth of Field Scale, in-
     A special Micro attaehment is available       dicating the depth with the various distance
       which connects the Camera with the Micro-        settings.
        scope. For Jena Microscope an Attachment
          is made by Jena. For micro exposurcs  it is    Aperture ond Depth of Field        advisable to use the special Rangefinder                                            The Depth of Field can be read from the       with Clear Glass Spot and Hairline Cross,                                                  Depth of Field Scale on the Lens Mount for
         especially when a large magnification is re-                                                   every Aperture and Distance Pair, and it         quired.                                                        can be checked on the Ground Glass Screen.
                                              The picture range which is in sharp focus is
      Colour Filters                             the area on the Distance Scale between the
       These are available in either screw-in or      Aperture Pair. The left Aperture Scale
       push-on holders; and the same applies to      shows the Depth of Field in front and the
       Lens Hoods.                                          right scale the Ilepth of Field at the back of
                                                         the exposure.
      Digtonce Scale                           Example: _-.W'hen using a Lens with 58mm
       This is not such an important item with       focal length and when setting f. B and dis-
        Praktica Lenses as focusing is done on the       tance of l5 ft. everythingbetween approx.
       Ground Glass Screen. However,  it is pos-       10 feet and 36 feet is sharp. With an aper-
         sible to set the distance on the Distance      ture of f. 5,6 everything between ll  and
          Scale. This Scale is more important in con-      25 ft. is sharp.





t

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                                             of the Winding Knob  in  clockwise direction
                                                   until a resistance is felt transports the film.



I                               Winding knob ond Film Tronsport

                                       No blank or double exposures as the Winding Knob
                                     and Film Transport are coupled. The Winding
     Body                           Knob or the Rapid Lever Wind can be used, The
                                                      film is advanced by one frame, the Reflex Mirror         Slight pressure oii-the Button releases                                                 swings into the light channel of the Lens and the       the shutter. To avoid anY blurring                                                     shutter is cocked. The film Counter moves one stop,       keep your finger on the BodY Release                                                                                                                                                                                     {i         until the shutter has run down'                                                                                                          r1
       For longer exposule times it is advis-                                                                                                                   ,f,a
        able to use a cable release which is
       screwed into the socket of the BodY
        Release. When the film is wound on
       the Body Release must not be de-
         pressedo therefore, any delayed action
         releases which are not built in must
       be wound up or removed. A full turn

         l0
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Setting the shutter speed

 Set exposure time on the Exposure Time Setting Ring.
You will find black figures for short exposure times
                                     :                                                                                                        t / uoth) and red  fi gures for(1 f uooth to  I f ,uth and Flash |
long exposure times (l/roth to lfrsec) and ,,8" for all     have the same click stop. ,,8" is
Time Exposures.                                           for all Time Exposureso  i. e. the
When choosing short exposure times the Red Triangu-      shutter remains open as long as
lar Mark on the Knurled Knob must point towards the     the Body Release is depressed.
Black Triangular Mark on the Camera Top. For longer    The Exposure Time may be.set
exposure times the Red Triangular Mark on the Knur-     before or after the shutter is
led Knob must be set opposite the Red Triangular      cocked.
Mark of the Camera Top. For this purpose the thumb
or one finger is used to rotate the Knurled Knob. When
using ,,8" set the Knurled Knob on short speeds.

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      Speciol Coble Releose
      When a longer exposure time is required it is advisable to use a Cable Re-
          lease, which is screwed into the thread of the Body Release. The Exposure
       Time is set on ,,[|". Beneath the Press Stud of the Cable Release is a Knur-
        led Ring. When this fits firmly into the Cable the Cable Release operates
          like any standard one. When, however, this is turned slightly in anticlock-
        wise direction the I(nurled Ring loosens and when the Knob is depressed
        the Catrle stays in this depressed position until the I(nurled Ring is pres-
        sed lightly. This releases the Cable again.





         l3

  f

E.

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Glose-ups

The helical focusing of the standard
Ienses permits approaching the sub-
ject up to a distance of approx. l/2ft,
For exposures at closer range you will
require Extension Tubes. These may
be inserted, singly or in  various
combinations, between the camera
       body and the lens. The
         complete set of Extension
        Tubes l-3  yield a picture
          ratio 1:1. Please note that
        only the Tube marked J
        can be used forlenseswith
       Automatic and  pre-set
          Apertures. With these Ex-
          tension Tubes inserted bet-

                                   t5

ween the Camera Body and Lens the
Automatic Aperture is put out of action.
But should you wish to make use of
the Automatic Aperture a speeial Inter-
mediate Ring with a double Cable Re-
lease will be required which maintains
the function of the Automatic Aperture
also when Extension Tubes or Bellows
are used.
The Intermediate Ring is fitted behind
the Lens in every case. After this the
Double Cable Release is screwed into
the Body Release and the Socket on
the Intermediate Ring. The Adjusting
Screws should be set so that the Aper-
ture closes to the smallest stop (the
Aperture Ring is set on the highest
figure).

                                       t6

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      Insertion of film
       Push the Back Latch in the direction of the arrow, undo Camera Back and take it off. Pull
      Rewind Knob out. Place the Cassette into the empty Film Chamber with the Film Leader poin-
        ting towards the Take-up Spool. Push in Rewind Knob. Draw the beginning of the film across
Y
       the film gate and insert into the slot of the Take-up Spool. Pull it through the slot and bend
      down 3 mm to 4 mm. The Sprockets must engage on both sides of the film perforation. Cock the
i/?       shutter by rotating the Transport Knob.
       Having made sure that the film is properly inserted replace the Camera Back. Before closing the
       camera completely make surc that the film pressure plate is perfectly clean.
      With the Camera Back locked in place, you make two blank exposures, watehing at the same
       time that the Rewind Knob rotates in the opposite direction of the arrow. After these two blank
       exposures set the Film Counter on I and the Camera is ready for the first exposure.

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