User's Manual

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Praktisix Manual

Instructions for use

The Praktisix is a single lens reflex camera with focal plane shutter for the 6 X 6 cm (21/a X 21/ ") picture format. It

possesses all the advantages of a modern precision camera, as there are:

Fully automatic diaphragm

Focal plane shutter with speeds from 1 second to 1/1,000 second and B

Rapid wind lever

Interchangeable finder elements

Interchangeable field lenses

Shutter wind coupled to film transport

Lock against double exposures and blanks Synchronization (X-contact) for flash tubes and flash bulbs

Built-in delayed action

Interchangeable lenses

Please pay special attention to the following items (abridged instructions)

1 Place film into the left-hand spool chamber.

2 Remove the gumstrip completely, pull the paper leader across the picture gate and insert it into the longer slit of

the receiving spool. The coupling slit of the spool must be at the upper end.

3 Swing rapid lever (2) around once as far as it will go, then continue operating it by rocking movements to advance

the film to the point where the arrow mark on the paper leader stands against the white dot on the picture gate. At the

same time keep the spring support of the left-hand spool under slight pressure to assure taut and even winding of the

film. Move the rapid lever back to its initial position.

4 Depress set-back knob (9); a red dot becomes visible in the window of exposure counter (13).

Important parts of the camera

1 finder hood

2 rapid wind lever

3 shutter release knob with cable release

connection

4 lever for setting delayed action

Summary of content (9 pages)

PAGE 1
Praktisix Manual Instructions for use The Praktisix is a single lens reflex camera with focal plane shutter for the 6 X 6 cm (21/a X 21/ ") picture format.
PAGE 2
5 Adjust film speed indicator (8) on the inner side of the camera back. 6 Release the shutter and cock it began four times. The rapid wind lever (2) must be swung around completely each time as far as it will go and then moved back again. The exposure counter (13) now stands at number 1. 7 View and focus your image on the ground glass field. A magnifier may be swung in for critical focusing.
PAGE 3
A surface coated mirror reflects the image designed by the lens onto the ground glass screen. At the moment of the exposure the mirror is swung out the path of rays and, forming a light tight cover over the ground glass, allows the light rays to pass freely on to the image plane. As soon as the mirror has reached its topmost position, the shutter is opened for the exposure. Taking lens and finder lens being one and the same, there is no danger of parallax error.
PAGE 4
At every subsequent cocking of the shutter, the counting mechanism advances to the next number. After the twelfth exposure an "E" appears. Actuate the wind lever smoothly and without interruption as far as it will go, move it back to its original position. Do not let it jump back. Setting the film speed indicator A film speed indicator (8) is built into the camera back. It is adjusted from the interior before the camera is closed. Close the camera back and lock it.
PAGE 5
Also the depth of definition can be read from the focusing ring. To the left and right of the red indicator are diaphragm numerals. The distance figures standing against the diaphragm numeral required for the exposure show the range of definition. For example: For a distance setting of five meters (16 feet 8 inches) and a f8 aperture that depth of definition reaches from approximately 3.5 meters to 10 meters (11 feet 8 inches to 33 feet 4 inches).
PAGE 6
Swing the rapid wind lever around to its stop and move back to its original position. The shutter is thus cocked, the film is advanced by one frame, the diaphragm set to its widest aperture, the exposure counter switched to the next number and, the mirror having been set, the path is open the light rays to reach the ground glass. The delayed action Swing winding lever (4) of the delayed-action mechanism through 90 degrees and actuate release knob (3).
PAGE 7
Interchangeable lenses Standard lenses Jena Bm 80mm,f2.8 automatic diaphragm Meyer Primotar E 80mm,f2.8 pressure diaphragm Supplementary lenses Jena Flektogon Jena Flektogon Jena Bm Jena S Meyer Telemegor 50mm,f4 automatic diaphragm 65mm,f2.8 automatic diaphragm 120mm,f2.8 automatic diaphragm 180mm,f2.8 automatic diaphragm 300mm,f4.5 manual pre-set diaphragm Jena Catadioptric lens 1000mm,f5.
PAGE 8
mount. With the Meyer Primotar E on the other hand, the diaphragm setting ring has to be moved from the red mark to the black mark. The diaphragm thus closes to the pre-set value. As long as the red dot stands against the red diaphragm index mark the automatic diaphragm mechanism is in operation and the widest aperture will always be set when the shutter is cocked.
PAGE 9
Set of intermediate rings with special intermediate ring and double cable release Set of intermediate rings with plunger Close-up bellows attachment Five special type image field lenses Focusing magnifier Special pressure plate (for working with glass plates) On delivery, these accessories are accompanied by a special instruction booklet -Equipment for Close-up Photography.