Pentacon PRAKTICA LTL Instructions For Use Manual Download

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Praktica LTL Instructions for Use

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Copying Stand with Lighting Equipment

Suitable, in connection with the repro arm, for

all kinds of reproduction and close-up work.

Repro Arm with screw thread M49×0.75

Extra fitting for the copying stand, to accept any reflex camera up to the size of 6×6 cm (2 ¼″ ×

2 ¼″ in.) which is screwed in securely by the filter thread of its lens Adapter ring available for filter
thread M58×0.75, in preparation for the M55×0.75 thread.

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Summary of Contents for PRAKTICA LTL

Page 1: ... while depressing the metering key By means of this key the circuit is closed All lenses having the international PRAKTICA fitting M42 1 may be used The automatic mechanism in the camera causes the pressure diaphragm in the lens APD to operate as a spring diaphragm This means that only during the actual moment of exposure the diaphragm closes down to the value obtained by means of the light meter ...

Page 2: ...se 4 Cocking lever for self timer 5 Self timer release knob 6 Rewind knob 07 Rewind crank 08 Accessory shoe 09 Centre flash contact 10 Exposure speed index 11 Rapid wind lever 12 Film speed scales 13 Film speed indicator 14 Exposure counter 15 Manual stop down key 16 Distance setting ring 17 Diaphragm setting ring 18 Depth of field scale ...

Page 3: ... Use 3 19 Rewind catch 20 Cartridge chamber 21 Metal bladed focal plane shutter 22 Transport sprocket 23 Supporting piece 24 Take up spool 25 Green marking point 26 Wire brackets 28 Rewind release knob 29 Battery lid 30 Tripod nut ...

Page 4: ...h the rewind knob with slight backward and forward movements right back into the camera The rewind catch will engage in the core of the cartridge Push the beginning of the film projecting out of the cartridge from above as for as it will go underneath the supporting piece 23 on the transport sprocket 22 The beginning of the film strip must now lie on the core of the take up spool 24 and meet the g...

Page 5: ...utter release 3 is provided with a locking device The release mechanism is locked when the red dots on the knob and on the outer ring meet The mechanism is unlocked by rotation of the knob through 90 Shutter can be released Shutter release locked E Setting the exposure speed For the automatic exposure control the film speed value has to be set This is done by lifting the milled ring of shutter spe...

Page 6: ...ter the shutter has been cocked The setting knob clicks in of every numeral Intermediate values ore not adjustable G Setting the diaphragm On the lenses with automatic pressure diaphragm APD the desired aperture numeral on the diaphragm setting ring 17 simply has to be brought to meet the red index mark on the lens mount At first the diaphragm remains fully open and then closes down to the presele...

Page 7: ... accordan ce with exposure conditions by rotating dia phragm setting ring 17 on lens mount De press metering key as described above while at the same time adjusting shutter speed set ting knob 1 till the meter needle is centered The shutter speeds must be set to the click stops Intermediate values cannot be set Should the meter needle not be accurately centered fine adjustment has to be made by me...

Page 8: ... sec to 1 1000 sec 27 0400 1 4 sec to 1 1000 sec 30 0800 1 8 sec to 1 1000 sec 33 1600 1 15 sec to 1 1000 sec I Focusing The prism viewfinder of the PRAKTICA LTL is fitted with a Fresnel lens in the centre of which are the two focusing systems the microprism screen right in the middle and the circular groundglass area sur rounding it To achieve utmost definition focu sing is preferably performed w...

Page 9: ...iaphragm numerals As an example the illustration shows a zone of sharpness from 2 to 5 m 7 ft to 16 ft for a distance setting of 3 m 10 ft and an f 8 aperture Depress the metering key 2 or the manual stop down key 15 provi ded on most of the lenses and you will also be able to judge the depth of definition in the finderimage Persons with defective eyesight may work without their spectacles on by h...

Page 10: ... the exposure counter 14 indicates the number of frames obtainable with the film in the camera 12 20 or 36 exposures the film has to be rewound into the cartridge which is then taken out of the camera Depress rewind release knob 28 in the base of the camera It will remain locked in this position Unfold rewind crank 7 out of rewind knob 6 and rotate it not too quickly in the direction of the arrow ...

Page 11: ... may be used Only some of the older types of lenses are not suitable because of their structural design please refer to Section H Standard lenses T from Jena 0050 mm f 2 8 APD Pancolar from Jena 0050 mm f 1 8 APD PENTACON auto 0050 mm f 1 3 APD Supplementary lenses Flektogon from Jena 0020 mm f 4 APD PENTACON auto 0029 mm f 2 8 APD PENTACON auto 0100 mm f 2 8 APD PENTACON 0135 mm f 2 8 PD and Adap...

Page 12: ... The ignition circuit is closed only as long as the shutter runs down No contact is made during the cocking procedure so that flash bulbs can be exchanged also before the shutter is cocked Electronic flash exposures Owing to the extremely rapid travel of the curtains in the metal bladed focal plane shutter synchronization is possible up to a shutter speed of 1 125 sec The knob for setting the shut...

Page 13: ...everready case should be used wherever possible From time to time the cartridge chamber and spool chamber also the film track and camera back with film pressure plate must be cleaned with a soft brush But be careful not to exert pressure on the steel blades of the shutter or to touch them with your fingers Neither should the optical parts lens eyepiece of viewfinder mirror be touched Should this h...

Page 14: ...elease with locking device Lens Hood Eliminates disturbing flares in counterlight photography and protects the lens surface in rainy weather from getting wet The lens hood must match the image angle of the lens Filters These are screwed into the filter thread of the lens mount In colour photography special types of filter except in the case of UV and polarizing filters are required Rubber Eye Cup ...

Page 15: ...To be attached to the ocular mount It is rotatable to any viewing direction and reveals a complete upright and laterally correct finder image Adjustment by means of dioptre scale is possible Intermediate Rings These rings are screwed in between lens and camera either individually or combined as a means of increasing the picture ratio in close up work Rings provided with plunger pins keep the autom...

Page 16: ...on of the image ratio in close up work from approx 0 7x to 2 5x in combination with the standard lens Bellows Attachment with Focusing Slide This equipment permits an infinite varia tion of the image ratio with the standard lens from 0 7x to 44x Special Intermediate Ring with Cable release Connection For use with the bellows attachment in connection with a double cable release to keep the automati...

Page 17: ... Tripod Extremely rigid for varying position of camera from close to ground up to about eye level All direction pan and tilt movement Transparency Copying Equipment Supplementary device for the bellows attachment with focusing slide as a means of making transparencies and intermediate negatives 24 36 mm from negatives or reversal transparencies Microscope Attachment Piece For connecting camera and...

Page 18: ...tion and close up work Repro Arm with screw thread M49 0 75 Extra fitting for the copying stand to accept any reflex camera up to the size of 6 6 cm 2 2 in which is screwed in securely by the filter thread of its lens Adapter ring available for filter thread M58 0 75 in preparation for the M55 0 75 thread http eugigufo net download photovideo ...

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