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Voigtlander - Prominent

By Jesus Sanders,2014-12-26 02:14
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Voigtlander - Prominent

    Voigtlander - Prominent

    posted 2-24-'04

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Most Important

    Please read these instructions carefully before you take any pictures or examine how everything works. Practice the various operations as described in section I, first without a film in the camera. When you are familiar with those, read

    the rest of the booklet. Then you can load the first film.

    Remember that the PROMINENT is a high-class precision instrument, which wants expert and careful treatment. It will well repay the trouble taken by endless numbers of fine and wonderfully sharp pictures. VOIGTLANDER A.G. BRAUNSCHWEIG

CONTENTS: page;

    Changing lenses 6 0peration

     Aperture - Shutter speeds - Winding knob . 7- 8

     Rangefinder - Snapshot focusing 9

     Exposure - Self-timer 10-11

    Opening and closing the camera back . . . 12-13 Loading and Unloading

     Inserting the film - Setting the film counter . 14-15

    Rewinding the film

     16

     Changing partly exposed films 16

    Flash equipment 17-19 Accessories

     Close-up lenses - Filters 20-23

     Lens hood - Frame Finder . . ."KONTUR" 24

     Ever-ready case 25

    Aperture and depth of field 26 Technical Hints

     Film speeds 27

     Care of camera and lenses 28

     The camera number - Customs seal . . . . 29

    1. Aperture ring to set the iris

    diaphragm

    2. Shutter speed ring to set the

    shutter speeds

    3. Jaws to hold the reflex housing

    4. Back lock

    5. Synchronising-lever to set the

    flash contact

    6. Flash socket to connect to flash

    equipment

    7. Shutter lever to tension the

    self-timer

    8. Rewind key to rewind the film

    9. Peg to hold the detachable

    accessory shoe

    10. Body release

    11. Rewind button

    12. Cable release socket

    13. Winding knob to tension

    the shutter and wind the film

    14. Rotating outer ring of

    rangefinder knob

    15. Distance scale

    with zone focusing settings

    16. Depth of field indicator

    17. View- and rangefinder

    eyepiece

    18. Film counter

    19. Film release to release the film lock when loading or changing partly exposed films

20. Tripod bush

    21. Film indicator

22. Drilled pin to take customs seal when crossing frontiers

The Interchangeable Lenses

     of the PROMINENT all belong to the new series of

    Voigtlander high-class anastigmats.

    These instructions for changing lenses - as well as the

    sections on focusing, depth of field, etc. - apply only to the

    standard 50 mm. lenses, i.e. the ULTRON f/2 and the

    NOKTON f/1.5.

    The TELOMAR f/5.5 telephoto lens and the ULTRAGON

    f1:5.8 wide angle lens - both with reflex housing -are

    supplied with special instruction booklets.

    Changing the Lenses

    The quick-change mount allows specially rapid changing of all lenses. To remove the lens, simply pull the catch of

    the bayonet lock forward (left), turn the lens through about 45" to the left or right, and lilt out of the shutter. To insert

    the lens, push it into the shutter and turn until the catch engages with a click. With the lens correctly in position, the

    catch must be underneath the lens. When changing lenses, proceed gently; never use force!

Stops and Shutter Speeds

    The aperture (or stop) off the iris diaphragm controls the amount of light falling on

    the film, and thus the exposure. If also controls the depth of field (see p. 26).

    The stated speed of the lens (e. g. f/2 with the ULTRON, f/1.5 on the NOKTON), is

    always the largest lens aperture. Each successive setting on the aperture scale

    approximately halves the light transmitted by the lens.

Therefore every aperture number requires double or half the exposure of the preceding or following aperture

    respectively. For instance:

Aperture f/ 1.5 2 2.8 4 5.6 8 11 16

Corresponding 1/500 1/250 1/100 1/50 1/25 1/10 1/5 1/2 sec.

    exposure

Setting the Aperture

    Turn the aperture ring until the selected stop is opposite the index line. The whole of the scale is clearly visible of a

    glance from above.

Setting the Shutter Speeds

     Turn the shutter speed ring until the selected speed is opposite the

    index line on the lens mount. The figure 1 stands for 1 second, all

    other figures are fractions of a second. The shutter can be set to any

    intermediate speeds, except between 1/10 and 1/25, or between 1/250

    and 1/500 second. All speeds other than 1/500 second can be set after

    tensioning the shutter.

    For time exposures over 1 second, set the shutter to B. Press the

    release, and the shutter will stay open as long as the release is

     pressed down.

Focusing with the Rangefinder

    The combined view- and rangefinder is

    coupled with the lens. On looking through

    it, you will see a bright circle in the centre

    of the view.

    When the rangefinder is not correctly focused the subject appears as a double image within this circle. Turn the focusing knob of the rangefinder until the two images coincide. The lens is then accurately focused on the subject. Alternatively, set the distance by the scale on the focusing knob.

    The Winding Knob does three jobs. Turning it through a full turn as far as it will go in the direction of the arrow tensions the shutter, advances the film by one frame, and also advances the film counter to the next number. Note: When the Compur shutter is set to 1/500 second, an additional tension spring comes into action, which makes the winding knob a little harder to turn. It is therefore advisable at this speed to tension the shutter directly with the tensioning lever. Push the lever to the left towards the red dot with your finger as far as it will go. But remember also to wind the winding knob through a full turn as far as it will go. You will feel a slight resistance while doing so.

Snapshots at f/8

    These are easy even without the rangefinder. Simply use the two point settings on the focusing knob: Set to = 11 'feet, and everything between 8 1/4 and 16 1/2 feet will be sharp (see above).

    Set to 0 = 33 feet, and everything will be sharp from 161/2 feet to infinity.

Instantaneous Exposures (webmaster: this is what they call shots without the need of a tripod)

    When taking the picture, hold the camera as shown above. Press it

    firmly against the face and tuck your arms well into the body, to

    avoid any camera shake during the exposure. Keep the eye close

    behind the eyepiece of the view- and rangefinder so that you can

    see all four corners of the image at once.

    Hold your breath while exposing, and gently press the release down

    as far as if will go. Take care not to jerk it.

    Slow Speeds

    To make hand-held exposures at speeds slower than 1/25 second, e. g. 1/10, 1/5, 1/2, and possibly even 1 second, you need a very steady hand, or some support for the arms and body.

    A useful trick to reduce the risk of camera shake with shots of static subjects, e. g. inferiors, is to use the self-timer which normally serves for taking pictures of yourself. Tension the shutter in the usual way, set the shutter speed, and start the self-timer as described on the next page. After about 10 seconds the shutter will release itself without any shake. But do not move the camera until you have heard the shutter close with an audible click.

Time Exposures over 1 Second

    Set the shutter to B.

    Preferably use a cable release with locking screw. The release

    will screw into the socket behind the body release. The

    camera must be firmly fixed for such shots; the best way is to

    mount it on a tripod.

The Self-Timer

    When the shutter is tensioned, the tensioning lever is next to the red dot. Pulling it further still as far as it will go, automatically brings a delay mechanism into action, which opens the shutter about 10 seconds after release. Note: Do not use the self-timer with the shutter set to B or to 1/500 second.

The Double Exposure Lock

    This automatic device prevents double exposures and blank frames.

    After the exposure, the release button is locked until the film is wound on; the film transport is then locked until the next time you press the release.

The Film Release

    This is needed mainly when loading the camera or when changing partly exposed films. A short pressure releases

    the film transport for one frame.

    Continuous pressure releases the film transport while the pressure lasts.

    Do not use the film release when rewinding the film.

Films

    The camera uses perforated miniature film available in daylight cassettes for 36 exposures 24 X 36 mm. With colour film the number of exposures varies with different makes. Avoid handling the film cassette in very bright light, preferably load and unload the camera in the shade - the shadow of your own body if necessary. The film indicator is provided to help your memory; choose a colour code for your films, and set the indicator straight after loading.

    Opening the Camera Back

    Press together both spring locks and open the hinged back.

    When closing the camera again, make sure both locks engage

    properly.

The Rewind Key

    To pull up the rewind key when loading the camera, push the small button on top in the direction of the arrow, to make the handle spring up. Then pull out as far as it will go.

8. Rewind key

    to rewind the film. The handle is open and the key pulled

    up.

     23. Spool peg for the film cassette.

    12. Rewind button

    to release the film sprocket shaft when rewinding. 24. Film guides

    13. Winding knob 25. Film transport shaft with two sprocket wheels which to tension the shutter and wind he film. have to engage into the perforations at both edges when

     loading the film.

    18. Film counter

     26. Take-up spool

    19. Film release

    to release the film transport lock when loading films or changing partly exposed films.

Inserting the Cassette

    The protruding spool knob of the

    cassette must fit into the peg at the

    bottom of the camera. Then push

    back the rewind key - turning it

    slightly if necessary, and fold

    down the handle.

Turn the Take-up Spool

    by the winding knob so that the longer of the two slots for the film points sideways. If the winding knob is locked, press the film release.

    Thread the film end over the film guides and push well into the long slot of the take-up spool (arrow, centre picture). It is advisable to fold sharply the tapered film end by about 'h inch towards the emulsion side before in order to make sure the taking up.

    Now close the camera back.

    Turn the Winding Knob

    until the full width of the film lies

    over the transport shaft and both

    sprockets engage in the

    perforation. Pay attention that the

    film is running exactly over the

    slide guide and is winding well.

Setting the Film Counter

    Turn the winding knob until it locks (if not already locked). Then pull if up, and turn the counting disc underneath to set the letter F opposite the index mark. Push the winding knob back again, turning if slightly, if necessary, so that it fits snugly on fop of the counting disc. Press the film release once, and turn the winding knob until it locks. Repeat this once more. The index mark now points to No. I and the film is ready for the first exposure.

Rewinding the exposed film

    After the last exposure, lift up the handle of the rewind key,

    but do not pull up the key itself. Then depress the rewind

    button, and turn the rewind key evenly in the direction of

    the arrow (right). During rewinding, the screw at the centre

    of the film winding knob will also turn. It stops when the

    film is fully rewound into its cartridge. Now release the

    rewind button, pull up the rewind knob, open the camera,

    and remove the cassette.

Partly exposed films

    are easily changed at any time (e. g. black-and-white against colour). Rewind the partly exposed film as described, but make a note of the last number on the film counter.

    When loading a partly exposed film, proceed in the usual way up to setting the film counter to No. 1. Then press the film release, and keep it pressed down while turning the winding knob until the film counter indicates the previously noted number. Now finish exposing the film in the normal way.

Synchronized Flash Shots

    The SYNCHRO-COMPUR shutter makes if possible to

    take action shots with flash as the fastest shutter speeds up

    to 1/30th second. The flash can be employed either by

    itself, or combined with daylight or any other light. It is

    particularly useful for lighting up the shadow areas in

    against-the-light shots.

    All makes of flash units - flash guns as well as electronic

    flash - can be used with the Synchro-Compur shutter.

Connecting the flash unit to the camera:

    First fix the camera to the bracket with a tripod screw (left). The flash unit should be to the left of the camera so as to allow free access to the body release and winding knob. Some light-weight flash guns can be fixed directly to the detachable accessory shoe (page 24).

    Then connect the special synchronizing cable to the flash unit and push the plug over the contact of the shutter (right). Get an expert to fix the cable for the first time to make sure that the wires are correctly connected.

Setting the SYNCHRO-COMPUR:

    The flash should reach its peak brightness just when the shutter is fully open. The synchronizing lever - and also shutter speed and aperture - must therefore be set to suit the type of flash in use.

    Flash bulbs and electronic flash tubes differ in the time they take to reach their peak. They thus fall into several classes as shown in the table opposite. Set the synchronizing-lever either to "X" or "M", according to the flash used (see illustration). Then set the shutter speed according to the values shown in the table. Wind the shutter in the usual way, and the camera is ready for the flash shot. Look up the instruction leaflet enclosed with the flash bulbs or electronic equipment for the correct lens apertures needed.

    Shots with the built-in delayed action release are only possible at the "X" setting and with the corresponding shutter speeds. The actual position of the synchronizing lever is immaterial as the "M" setting does not work when is you use the delayed action release.

    "X" Setting

    the contact closes at the instant when the shutter is fully open.

    "M" Setting

    The contact closes a short time - corresponding to the firing delay of class "M"

    flash bulbs - before the shutter is fully open.

    Electrical Details:

    The outer pole of the flash contact is earthed to the shutter. To avoid wiring up the

    leads the wrong way round, get an expert to connect the cable to the flash gun the

    first time.

    The flash contact will carry the firing current of all types of electronic flash tubes. When used with flashbulbs it will carry a temporary load up to 10 amps at 24 volts, thus allowing simultaneous firing of several bulbs connected in parallel. The longest permissible exposure time in this case is 1/10 second. Click here for flashbulb chart

Caution: The flash contact must not be used to fire bulbs from 110 or 220 volt electric mains.

Close-ups with Supplementary Lenses

    Do not miss this highly interesting field of photography which so many amateurs seem to neglect. Large-scale pictures of flowers, butterflies and other animals, small "objets d'art", etc. can yield extraordinarily beautiful results. With the Voigtlander Focal lenses you can also copy without trouble pages from books, stamps, or small pictures. But be careful when using Focal lenses for portraiture as the pictures may easily show distorted perspective.

    The Focal lenses shorten the focal length of the camera lens and thus allow the camera to approach the subject much closer, giving a larger image. Click here for focusing table

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