Praktica Super TL User Manual

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Control parts of the PRAKTICA super TL - Special Features of the PRAKTICA super TL - Internal Measuring System of the PRAKTICA super TL - How the PRAKTICA super TL works - Abridged instructions - Opening the camera back - Inserting the film - Closing the camera back - Setting the film speed - Type of film and length of film - Preparing for the exposure ­Setting the exposure speed - Setting the diaphragm - Automatic exposure system - Focusing - Releasing and cocking the shutter - Changing the film - Exchanging lenses - Flash exposures - Exchanging the power source - Maintenance of camera and lens - Accessories
While congratulating you on having acquired a PRAKTICA super TL, we would also request you to treat your camera kindly. Please take your time and read these Instructions for Use carefully. Although of very rigid build, the PRAKTICA super TL is, nevertheless, a mechanical-optical precision instrument. Handled with care, it will reward you, even when subjected to rigorous conditions, by giving you beautiful photos. On the inside cover pages you will find specified illustrations. The reference numbers in the text are printed in parentheses.
Control parts of the PRAKTICA super TL
1 Film speed indicator
2 Latch for camera back
3 Meter key
4 Distance setting ring
5 Depth-of-field indicator
6 Diaphragm setting ring
7 Length-of-film reminder dial
8 Rewind crank
9 Cocking lever
10 Rewind release knob
11 Film type reminder dial
12 Exposure counter
13 Shutter release
14 Setting knob for shutter speeds
15 Dial showing film speeds
16 Exposure speed index
17 Flash socket
18 Rewind knob
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19 Camera back
20 Carrier shaft
21 Cartridge chamber
22 Cover plate for power source
23 Tripod socket
24 Supporting piece for PL system
25 Marking point
26 Take-up spool
27 Transport sprocket
28 Wire bracket
Special Features of the PRAKTICA super TL
The PRAKTICA super TL is the converging point of the modern PRAKTICA single-lens reflex system. Key to this new system is photography is a newly devised method of automatic exposure based on the principle of internally measuring the light in the path of rays by means of a photo resistor. All values influencing the exposure, such as image angle, aperture, and extension factors for filters and in macro and micro work, are taken into account by the meter system. The measuring range extends from 2 apostilbs at f/2 to 250.000 apostilbs at f/22. Meter key connected to the metering system. Power source for the metering system has a working life of approximately two years. Range of film speeds from 9 DIN to 33 DIN or 6 ASA to 1600 ASA. Focal-plane shutter giving exposure speeds from 1 sec. To 1/500 sec., and B.
Non-rotating dial for setting the shutter speeds. Prism viewfinder with bright, unreversed and parallax-free finder image. Due to the instant return mirror it is almost continuously visible. Two possibilities of focusing on the bright viewfinder image in micro-prism screen or groundglass circle. Synchronization for flash bulbs and electronic flash. Conveniently placed rapid wind lever and smoothly working oblique shutter release with locking device against accidental triggering. Shutter cocking mechanism and film transport are coupled and provided with locking device against double exposures and blanks. Automatic exposure counter. Automatic pressure diaphragm. Film loading facilitated by PL System. Swing-out rewind crank, self-locking rewind release knob. Interchangeable lenses from 20 mm to 1000 mm focal length, with PRAKTICA fitting, mostly with automatic pressure diaphragm.
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Wide range of PRAKTICA accessories.
Internal Measuring System of the PRAKTICA super TL
The path of rays forming the image of the object is conducted through the lens, by way of the instant return mirror, the Fresnel lens with focusing system, the pentaprism and the ocular to the eye of the viewer. Focusing is performed by rotation of the distance setting ring on the lens mount with the aid of the focusing system. Part of the light coming from the entire image area is deflected from the path of rays of the viewfinder to the photo resistor. Any light particles outside of the image angle, which might cause incorrect measuring, are thus cut off. All correcting factors to be observed hitherto for the use of filters, close-ups and micro attachments are, in the internal metering system, directly taken into account. The meter reading is ammeter. Power source of the exposure meter system is a mercury oxide battery installed in the base of the camera. Pressure on the meter key closes the measuring circuit.
How the PRAKTICA super TL works
When the shutter release is depressed the instant return mirror moves out of its viewing position into picture taking position. At the same time, the pressure diaphragm of the lens is automatically closed down to the selected aperture. As soon as the focal-plane shutter has run down the instant return mirror springs back into viewing position and the pressure diaphragm is fully opened again. This means that the finder image is - except for the moment of the exposure - continuously visible. In the single-lens reflex system - even if interchangeable lenses of extremely long focal lengths or close-up attachments are being used - there is never any danger of parallax. The finder image is somewhat smaller than the final negative. Everything visible in the finder image is sure to appear on the film, which means that the finder image may be utilized to its very edges.
Abridged instructions
A) Opening the camera back
B) Inserting the film
Pull out rewind knob (18) as far as it will go. Place full cartridge into cartridge chamber (21). Push rewind knob (18) in again. Push lower perforation of film from above underneath the little support (24), across the transport sprocket (27), place beginning of film strip on the core of take-up spool (26) as far as marking point (25). Wire bracket (28) must not stand upwards!
Should the film show a pronounced tendency to warping we recommend to additionally turn the knurled spool disc anti-clockwise till one of the catch straps rests on the start of the film.
C) Closing the camera back
D) Setting the film speed
Lift setting knob (14) and rotate it either way.
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The white dot (1) on the perimeter of the setting knob (14) has to stand against the required film speed numeral on dial (15).
E) Sett ing the type of film
Rotate film type reminder dial (11) until the symbol marking the film meets the red dot.
F) Preparing for the exposure
Actuate shutter release (13) and cocking lever (9) until exposure counter (12) stands on number 1.
G) Setting the exposure speed
Rotate setting knob (14) (without lifting it) until the desired speed numeral coincides with red triangle (16).
H) Setting the diaphragm
Rotate diaphragm setting ring (6) on lens mount to bring the desired diaphragm numeral against the red mark.
I) Automatic exposure system
Preselect either the exposure speed or the aperture. Depress meter key (3). While the key is being depressed, adjust either the aperture or the exposure speed so as to centre the meter needle in the image field to the circular marking point.
K) Focusing
Rotate distance setting ring (4) until the image in the circular micro-prism screen is perfectly sharp.
L) Releasing and cocking the shutter
Actuate shutter release (13). When the shutter has run down a red signal appears in the finder image. Swing cocking lever (9) around until it stops and move it back again.
M) Changing the film
After the last exposure, depress rewind release knob (10). Swing out rewind crank (8) on rewind knob (18). Rewind film in direction of arrow. Open camera back (19). Remove cartridge from camera.
N) Exchanging lenses
O) Flash exposures
P) Exchanging the power source
Q) Maintenance of camera and lens
R) Accessories
These abridged instructions are a short summary of the main points in the Instructions for Use. These points deserve special attention. They are, however, not a substitute for the valuable information which you will only be able to gain by reading the complete instructions.
A) Opening the camera back
Push latch (2) for camera back in direction of arrow. Open camera back, and the
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Push latch (2) for camera back in direction of arrow. Open camera back, and the exposure counter (12) will automatically jump to zero.
B) Inserting the film
The PRAKTICA super TL accepts any type of perforated 35 mm film in commercially available standard cartridges. The cartridges contain film lengths for 36 or 20 exposures in the 24 X 36 mm picture format - either on black-and-white film, on colour negative film for colour prints, or on colour reversal film for colour transparencies.
The cartridges are light tight. Nevertheless, we would advise you not to insert films in direct sunlight - the shade provided by your own body will suffice. Pull out rewind knob (18) as far as it will go. Place cartridge into cartridge chamber (21) and push rewind knob (18) - with slight backward and forward movements - right back into the camera. Carrier shaft (20) will engage in the core of the cartridge. Push lower perforation of film from above underneath the little support (24) over the transport sprocket (27), place beginning of film strip on to the core of take-up spool (26) as far as marking point (25).
The wire bracket (28) must not stand upwards! Should this be the case, rotate lower milled ring of take-up spool (26) to bring the brackets to horizontal position.
C) Closing the camera back
Close camera back (19) and press it on tightly. It locks automatically.
D) Setting the film speed
Lift setting knob (14) and rotate it either way. Dial (15) below the knob remains in stationary position. The white dot (1) on the perimeter of setting knob (14) has to be brought against the required film speed numeral on dial (15). Setting knob (14), when lowered, clicks in.
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E) Type of film and length of film
The film type reminder dial (11) is to help you remember what kind of film you have loaded in your camera.
Black-and-white film
Colour reversal film for daylight
Colour reversal film for artificial light
Colour negative film for daylight
Colour negative film for artificial light
The symbol corresponding to your film is set against the red marking point. You will thus always know which type of film you have in your camera.
The length-of-film reminder dial (7) serves to mark the number of exposures possible with the film in the camera.
The selector of the length-of-film reminder dial (7) has to be set to the corresponding number (12, 20 or 36).
F) Preparing for the exposure
Swing cocking lever (9) around as far as it will go and let it glide back. (Move cocking lever only in winding direction. Forced movement in the opposite direction will cause damage!) Actuate shutter release (13).
To avoid inadvertent tripping, the shutter release (13) 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°.
Repeat the cocking and releasing procedure described above once more and then cock the shutter again. Rewind knob (18) moves simultaneously in anti­clockwise direction.
The automatic exposure counter (12) now stands on frame number 1. Special setting of the exposure counter is not necessary since it starts working automatically when the camera back is closed.
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G) Setting the exposure speed
The focal-plane shutter of the PRAKTICA super TL is calibrated for exposure speeds from 1 sec. to 1/500 sec. The B setting is for any desired length of time. (The shutter remains open as long as the release knob (13) is depressed or kept open by means of a cable release with locking device.) For flashlight exposures please refer to Section O.
The numerals on the setting knob stand for the exposure speeds as follows:
Red numerals long exposure time B, 1 = 1 sec., 2 = ½ sec., 4 = ¼ sec., 8 = 1/8 sec., 15 = 1/15 sec. For these exposures a tripod has to be used.
White numerals short exposure time 30 = 1/30 sec., 60 = 1/60 sec., 125 = 1/125 sec., 250 = 1/250 sec., 500 = 1/500 sec. The speeds are graduated so that each numeral indicates double or one half of the speed marked by the neighbouring figure on the scale
Set the speed by rotating setting knob (14) until the desired numeral meets the red triangle (16). Setting knob (14) clicks in noticeably at each speed stop, accidental readjustment is thus impossible.
Please note that setting knob (14) must not be lifted up for setting the exposure speeds (this is done only to mark the speed of film). The exposure speeds can be set either before or after the shutter has been cocked.
H) Setting the diaphragm
On the lenses with automatic pressure diaphragm in the PRAKTICA super TL the desired aperture numeral on the diaphragm setting ring (6) need only to be brought to meet the red index on the lens mount. The diaphragm closes automatically when the shutter release is depressed.
For the purpose of checking the depth of field, most lenses can be stopped down to the preselected value by
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a manually operable lever before the exposure is made.
I) Automatic exposure system
If lenses with automatic pressure diaphragm are being used, two ways of metering are possible with the automatic exposure system of the PRAKTICA super TL.
Exposure reading with shutter speed preselected (e. g. for objects in motion)
Shutter speed is set! Depress meter key (3) and rotate diaphragm setting ring (6) on lens mount until the meter needle in the image field is centred to the circular mark.
Exposure reading with aperture preselected (e. g. for a desired depth of field)
Aperture is set! Depress meter key (3) and rotate setting knob (14) - using only click stops - until the meter needle is centred to the circular mark. Should the click stop settings of knob (14) not permit a perfectly accurate centring of the needle, fine adjustment has to be made by means of diaphragm setting ring (6). On pressure of meter key (3) the diaphragm is automatically closed to the preselected
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value.
Measuring range of the PRAKTICA super TL
Film speed
Expsoure speed
DIN ASA
9 6 1 sec. ... 1/60 sec.
12 12 1 sec. ... 1/125 sec.
15 25 1 sec. ... 1/125 sec.
18 50 1 sec. ... 1/500 sec.
21 100 1 sec. ... 1/500 sec.
24 200 1 sec. ... 1/500 sec.
27 400 1 sec. ... 1/500 sec.
30 800 1 sec. ... 1/500 sec.
33 1600 1 sec. ... 1/500 sec.
Outside the range given above, the meter system of the camera is out of action for the film speeds and shutter speeds as indicated. The meter needle then stands in its end position in the image field, and exposure readings are not possible.
Should the meter needle make no signs of deflecting if a reading, as described above, is to be taken, the battery will have to be exchanged (see Section P).
Exposure reading with lenses without automatic pressure diaphragm
In principle, exposure meter readings as described above are possible also with these types of lenses. Only the diaphragm has to be set to the desired value by hand. It is advisable, with such lenses, to do the focusing before taking the meter reading, since the diaphragm does not reopen automatically.
Owing to the construction of their barrels, some of the older type lenses protrude into the space accommodating the diaphragm mechanism and can, therefore, not be used, as they would render it impossible to release the shutter.
K) Focusing
The prism viewfinder of the PRAKTICA super TL is fitted with a Fresnel lens to brighten up the image. Focusing is performed by rotating the distance setting ring (4) on the lens mount.
There are two different methods of determining the sharpness of the image:
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Focusing on the central micro-prism screen Correct focusing is achieved as soon as the image in the micro-prism screen is clear and free from fuzziness.
If the image looks fuzzy or crumbles into screen elements, it s out of focus.
Focusing is extremely reliable owing to the apparent quick transition from unsharpness to sharpness and vie versa. It is advisable to do the focusing with the lens at the widest aperture (smallest diaphragm numeral).
Focusing on the circular groundglass area The groundglass area encircling the micro-prism screen may be used for focusing with the lens at a small aperture (large diaphragm numeral) or in case of greater scales of reproduction as, for instance, in close-up or macrophotography. The remaining section of the finder image is not meant for focusing.
Depth-of-field indication (5) These are the figures on the right and left of the red focusing index. The exposure distance is set against the red mark. On the left of the mark, next to the desired diaphragm numeral, you read on the distance scale where the depth of definition begins, and on the right, where it ends.
For the 50 mm Pancolar f/1.8 from Jena In accordance with the aperture setting, the two black marks refer to the depth of field. The distance figure stand against the red index. On its left you see where the depth of definition begins and on its right, where it ends: You move forward from the marks on the white or black rim surfaces towards the distance scale.
Depth of field can also be checked in the viewfinder image on actuation of meter key (3), or of the manual stop down lever on the lens mount after the exposure reading has been taken.
All readings on the distance are in relation to the position of the image plane. Taking lens and finder lens being one and the same, there is no parallax error. Persons with faulty eyesight may insert a corrective lens in special mount into the eyepiece of the viewfinder (connecting point for further special finder equipment - see Section R).
For infra-red exposures the focusing point has to be slightly modified. By rotation of distance setting ring (4) the distance reading which, after focusing, stands next to the red indicator, has to be moved to meet the red dot (infra-red dot) next to the indicator. Thus, the image produced by the no longer visible infra-red rays, which is somewhat farther away from the lens that the one designed by the visible light, is brought into correct position in relation to the film.
L) Releasing and cocking the shutter
Before releasing the shutter, please note the following:
1. Make sure that the shutter release is unlocked (Section F).
2. For exposure speeds slower than 1/30 sec. it is advisable to use a tripod and a cable release.
3. If signal is visible in viewfinder, the camera is not ready for exposing! Cock the shutter.
When taking your picture we advise you to hold your PRAKTICA super TL so that it lies firmly in both hands and you are able to actuate the shutter release (13) comfortably.
The shutter release (13) has to be depressed smoothly - never with a jerk - as far as it will go, until the shutter has run
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The shutter release (13) has to be depressed smoothly - never with a jerk - as far as it will go, until the shutter has run down. Do not leave hold of the body release, or cable release, before the shutter closes completely, otherwise the diaphragm will open before its time. (This refers especially to the slower exposure speeds.)
When once released, the shutter cannot be released a second time (lock against double exposure).
After release of the shutter, a red signal appears in the upper left-hand corner of the image field.
Cocking lever (9) has to be swung around again as far as it will go and moved back smoothly (see Section F). Once more the camera is ready for action.
M) Changing the film
When exposure counter (12) shows the figure indicating the number of frames marked on the film packet (12, 20 or 36), the film has to be exchanged.
Depress rewind release knob (10). Knob remains locked in this position. Swing out rewind crank (8) on rewind knob (18). Rotate rewind knob (18), not too quickly, in the direction of the engraved arrow. Rewinding too quickly causes electrostatic charge and statics on the film.
Towards the beginning of the film strip greater resistance becomes noticeable. After this, the crank (8) turn more easily, a sing that the film is fully rewound. Fold rewind crank (8) down again.
Open camera back (19) by pushing latch (2) in direction of arrow.
Pull out rewind knob (18) as far as it will go and remove the cartridge.
On rewinding of cocking lever (9) or - should the shutter be wound up - on actuation of shutter release (13), the rewind release knob returns automatically to its initial position.
Should you have attempted do expose more frames than the number marked on your film packet, it may happen that cocking lever (9) gets jammed and cannot be swung around completely. In this case depress rewind release knob (10), at the same time swinging cocking lever (9) until it stops. The film can then be rewound as described above.
N) Exchanging lenses
The PRAKTICA super TL lenses are interchangeable regardless of their distance and aperture adjustability. Take hold of the lens mount, as shown in the illustration, and turn it in anticlockwise direction. The exchange lens is inserted
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the lens mount, as shown in the illustration, and turn it in anticlockwise direction. The exchange lens is inserted accordingly.
The camera accepts all the lenses with PRAKTICA fitting (screw thread M 42 X 1) with focal lengths from 20 mm to 1000 mm.
Focusing, in connection with all the interchangeable lenses, is performed in the prism finder of the PRAKTICA super TL. Since the taking lens also acts as finder lens you obtain, at any focal length, a finder image coinciding, free from parallax, with the picture which you will get on your film.
Owing to the construction of their barrels some of the older type lenses protrude into the space accommodating the diaphragm mechanism. Such lenses cannot be used as they would render it impossible to release the shutter (see Section I)
Interchangeable lenses
aus Jena Flektogon 20 mm f/4 APD
PENTACON auto 29 mm f/2.8 APD
aus Jena Flektogon 35 mm f/2.8 APD
aus Jena Pancolar 50 mm f/1.8 APD
PENTACON auto 50 mm f/1.8 APD
Domiplan 50 mm f/2.8 APD
aus Jena T 50 mm f/2.8 APD
PENTACON auto 100 mm f/2.8 APD/PD
aus Jena S 135 mm f/3.5 APD
PENTACON auto 135 mm f/2.8 APD
PENTACON 135 mm f/2.8 PD
aus Jena S 180 mm f/2.8 APD
PENTACON 200 mm f/4 PD
PENTACON 300 mm f/4 PD
PENTACON 500 mm f/5.6 PD
aus Jena Mirror Lens 1000 mm f/5.6
APD = automatic pressure diaphragm
PD = pre-set diaphragm
O) Flash exposures
There are two ways of synchronizing flash light to the PRAKTICA super TL:
F synchronization The F synchronization is designed to ignite short burning flash bulbs. It ignites the flash already before the image gate is completely uncovered. Thus it is possible to work with an exposure speed of 1/30 sec.
Insert the flash cable into the flash socket (17) marked "F".
X synchronization With the X synchronization the electronic flash, which flares up practically without delay, is ignited when the focal-plane shutter has completely uncovered the image gate. For the exposure, adjust speed setting knob (14) to the
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flash symbol . This is equal to about 1/40 sec., the shortest possible exposure speed to be employed with electronic flash.
Insert flash cable into the flash socket (17) marked "X".
Regarding aperture settings you will find directions, in form of so-called "guide numbers", given on the wrappings or in the literature coming with the bulbs and electronic flash units. The aperture of the lens and the distance between flash unit and subject are brought into balance on base of these guide numbers.
To find the correct aperture, divide the guide number for the flash in use by the flash-to-subject distance figure.
Diaphragm number =
Guide Number
flash-to-subject distance
P) Exchanging the power source
Power source for the automatic exposure system is a Mallory Mercury Oxide Battery PX 625, PX 13, or a similar type, having a nominal voltage of 1.35 V.
Owing to the low consumption of current and the short working period of meter reading, the battery lasts about 2 years. To exchange batteries, screw out the cover (22) in the bottom of the camera with the aid of a coin. Insert new battery, making sure that the "+" sing is visible. Replace cover (22) and screw it tight.
Attention: Do not load the discarded battery or throw it into the fire. Both may cause an explosion!
Q) Maintenance of camera and lens
Perfect functioning and lasting service of your PRAKTICA super TL depend very largely on careful maintenance and proper handling of the camera. The PRAKTICA super TL is a highly valuable precision instrument. It must, therefore, be protected against shock and dust. (Use everready case). Never use force when operating the mechanism. From time to time dust and film emulsion deposits have to be removed with a soft brush from cartridge chamber, spool chamber and film track. Do not touch the optical parts (lens, eyepiece of viewfinder, and mirror) with your fingers. Should you have done so accidentally, any fingerprints must be removed immediately with a soft brush or a piece of fine linen.
R) Accessories
Many interesting results in picture composition are obtainable with the aid of accessories.
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Everready case
It protects valuable PRAKTICA super TL from dust and shock.
Carrying Strap, adjustable
To be recommended if you are using your PRAKTICA super TL without the everready case, e. g. in combination with a
flash unit.
Cable Release
Indispensable for the slower shutter speeds and for many
Filters
For correct rendition of colour values and special effects
in black-and-white photography. Colour filters may be
used only in combination with black-and-white film. UV
filters and polarizing filters are also suitable for use with
colour films.
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special activites.
Lens Hood
Eliminates disturbing counter-light flares.
Angle Finder
Aid in focusing on subjects difficult of access. Is
provided with a dioptre focusing mount.
Rubber Eye Cup
Keeps out stray light during focusing.
Mount for Correcting Lenses
For persons with faulty eyesight, to replace their
spectacles.
Focusing Telescope
Yields an additional 2.7 fold magnification of part of the finder
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image. Adjustable to faulty eyesight by means of a dioptre
focusing mount.
Accessory Shoe
Is attachable to the eyepiece of the viewfinder for fixing
accessory equipment, e. g. flash units.
Intermediate Rings
To increase the scale of reproduction.
Reversing Ring
To insert lens into camera by its filter thread in order to
achieve utmost sharpness of the image at ratios
exceeding 1.5.
Intermediate rings with Plunger
Permit maintaining operation of the automatic pressure
diaphragm while extengind scale of reproduction.
Universal Tripod
Extremely rigid, permits varying positions of camera
from close to ground up to approximately eye level.
Adjustable column server as camera support.
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Miniature Close-up Bellows A ttachment
For infinite variation of the picture ratio from approx. 0.9 to 2.8. a 7 mm ring has to be inserted between camera and
bellows attachment.
Close-up Bellows Attachment
Yields infinite variation of the picture ratio approx. 0.9 to 4.7.
A 7 mm ring has to be inserted between camera and bellows
attachment.
Special Intermediate Ring with Double Cable
Release
Keeps automatic diaphragm mechanism operative in
connections with close-up bellows attachment and
intermediate rings.
Focusing Slide
Of great advantage in close-up work on the universal tripod.
Makes it possible to adjust the distance between camera and
subject without having to move the tripod.
Micro Attachment Piece
For connecting camera and microscope.
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Special literature on the above only briefly mentioned accessories for PRAKTICA super TL will be sent on request.
We ask you kindly to follow these Instructions for Use carefully. We can accept no liability for any damage which may be
caused by improper handling of the equipment.
Further development of the PRAKTICA super TL and its accessories may lead to slight alterations of the details given in
this booklet.
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