Zenit EM Instruction Manual
Contents
1. 5 times Normal lens Helios 58mm f 2 Focusing range 0 5m to co Aperture scale f 2 to f 16 Tripod socket thread inch Camera size 141mm x 100mm x 93mm Camera weight 1100g CAMERA DESCRIPTION e SINGLE LENS REFLEX CAMERA The ZENIT EM camera uses 35mm film cassettes which are most popular among experienced photo amateurs The reflex lens svstem allows the photographer to see through a prism and a reflection mirror what will be photo graphed on film Focusing through the lens on a ground glass with help of microprisms ensures a perfect focusing 8 ee When the shutter is released the mirror is displaced the time of shutting the film is exposed and the mirror auto maticallv returns in place back in the optical path A leather case is supplied with the ZENIT EM camera e FOCAL PLANE SHUTTER The ZENIT EM camera is equipped with a focal plane shutter The particularitv of this shutter consists in the fact that the exposure time automaticallv adjusted through the speed selector is controlled bv the width of a slit that will travel in front of the film during the exposure e INTERCHANGEABLE LENSES The ZENIT EM camera accepts a wide range of inter changeable lenses with Pentax Praktica thread varving from 8mm fish eve lens allowing photographv with minimum room to back up to 1000mm telephoto lens allowing closer photographv of distant subjects see figure 1 fig 1 AR i fig2. l i ENLE BM mama Exposure counter dial Rewind button Shutter release Film advance lever Shutter speed dial Light meter Rewind knob Exposure adjustment dial Photoelectric cell Self timer release button Neck strap evelet Self timer lever Lens Tige d enclenchement de la cassette Oculaire de vis e Dos de l appareil Plaque de pression Emplacement de la cassette Rideau de l obturateur Bobine r ceptrice Coulisseaux Tambour d entra nement TABLE DES MATIERES DESCRIPTION DE L APPAREIL e Vis e reflex UTILISATION DE L APPAREIL e Chargement de l appareil semen page 7 e R glage du POseMetre 2221 mn page 9 e R glage du temps d exposition 01 page 13 e R glage de l ouverture du diaphragme de l objectif e Prise de vues e Prise de vues la lumi re artificielle page 20 e D chargement de l appareil page 20 CARACT RISTIQUES SP CIALES e Griffe porte accessoires Page 22 e Douille de fixation de tr pied page 22 e D clencheur souple ll page 22 ENTRETIEN on ete JA page 23 CAL DATA Picture size 24m Width of perforat m 35mm Maximum number of exposures 36 size 24mm x 36mm Shutter speeds from 1 30 of a second to 1 500 of a second and B for time exposure Viewfinder field of view 20mm x 28 mm Evepiece magnification
3. should be on a tripod for pictures taken at speeds slower than 1 30 of a second IMPORTANT NOTE Never spin dial between B and 500 This could cause serious damage to the speed selector mechanism 14 lt v 7e ADJUSTING THE APERTURE OF THE LENS The ZENIT EM camera is equipped with an automatic lens 1 Turn the aperture setting ring until the chosen aperture between 2 and 16 matches the aperture index see figure 15 2 The aperture setting is controlled by the lever on the right of the lens see figure 16 By setting it on A the lens will function automatically the viewing will be done with the diaphragm fully open and the lens opening will be adjusted automatically to the chosen aperture when the shutter is released By setting it on M the lens opening is kept at the chosen aperture this enables you to check the depth of field e SHOOTING A Focusing The lens supplied with the ZENIT EM camera is the automatic Helios 58mm f 2 lens see figure 17 fig 16 15 Focusing ring Distance scale 5 17 2 A ii Depth of field scale Aperture setting ring Lens mounting ring a 1 The lens diaphragm must be fullv open for accurate focusing To open it set the aperture setting lever on the letter A 2 Aim the camera at the subject and looking through gt the viewfinder move the focusing ring back and forth see figure 18 until you obtain a sharp image on the ground gla
4. 2 USING THE CAMERA e LOADING THE CAMERA Under subdued daylight load the camera as follow 1 Open back of the camera by pushing the latch upwards see figure 2 2 Push down on the rewind knob and turn left then pull it out see figure 3 so that the cassette can be dropped in the emptv film chamber 3 Push down the rewind knob and turn right to lock it in place 4 Insert film lead in one of the slots of the take up spool and give half a turn to the spool see figure 4 fig 4 gt 5 Cock the camera shutter by turning the film advance as far as it will go see figure 5 Make sure the sprocket teeth engage in the film holes Check position of film in film tracks of the exposure gate 6 Close the back 7 Advance the film by winding the lever and releasing the shutter twice see figure 6 so ihat the unexposed part of the film moves in front of the shutter curtain Every time you wind the film advance lever the rewind knob should also turn If not reopen the camera and check carefully the position of the film Adjust the exposure counter dial by matching the figure 0 to the index mark see figure 7 Afterwards the ex posure counter will register each exposure automatically as the camera is cocked 8 9 Set the film speed dial according to the film sensitivitv used The sensitivitv scale ranging from 16 to 500 see figure 8 indicates the film sensitivitv in ASA units In the opposite wind
5. camera in its closed case lens covered by the lens cap If you do not use the camera for a long period keep the shutter uncocked 23
6. ers from 500 to 2 indicated on the shutter speed scale show exposure time in fractions of a second Num bers from 1 to 30 show exposure time in seconds see figure 13 A Pre selected time exposure 1 After selection of the shutter speed pull up the shutter speed dial see figure 14 turn it on its shaft until the chosen shutter speed matches the index mark Let the dial down this will lock it in position The numbers shown on the shutter speed dial indicate exposure time in fractions of second from 1 30 of a second to 1 500 of a second 2 B Manual time exposure For shutter speeds slower than 1 30 of a second match the letter B with the shutter speed dial index mark Manual time exposure can be used in two different Ways I Manual shutter relea 1 Depress the shutter release button 2 Hold the button down as long as the exposure time requires 3 When the exposure time is through release the button this will close the shutter Il Mechanical shutter release 1 Push the shutter release button down and main taining pressure on it turn it to the left This will lock the shutter in open position 2 When the exposure time is through turn the shutter release button back to its initial position This will unlock and close the shutter During the time that the shutter release button is de pressed be careful not to cock the film advance lever which is free as it could advance unwillingly the film The camera
7. ever see figure 21 Shutter will be released about 9 sec onds after depressing the self timer button fig 21 D Macrophotographv For picture taking of non distant subjects see figure 22 use extension tubes to be inserted between the camera bodv and the lens This technique is especially interesting to reproduce drawings photo graphs manuscripts and any other small subjects such as flowers insects etc E Microphotography The ZENIT EM camera can also be used for photog raphy through a microscope using special accessories F Lens hood To avoid parasite reflections in the lens when taking pictures in the sun use a lens hood mounted in front of the lens 19 e ARTIFICIAL LIGHT PHOTOGRAPHV When light conditions are insufficient use an electronic flash or a flashbulb gun To use flashbulbs place the svn chronizer on index M when using an electronic flash place the svnchronizer on index X see fiqure 23 Artifi cial light photography with the ZENIT EM camera requires an exposure time of 1 30 of a second since the shutter curtain must be entirely open to allow complete lighting of the subject when firing flash Faster speeds would result in a partially exposed frame e UNLOADING THE CAMERA Under subdued daylight unload the camera as follow 1 When the exposure counter dial indicates that the max imum number of exposures is reached a slight resist ance should be felt as you try to adva
8. nce the film do not force it Press on the rewind knob and turn it in the opposite direction of the arrow This will bring the knob out of its seat see figure 24 20 Ph 2 Turn the rewind button in the direction of the arrow see figure 25 This will release the shutter mechanism and mill permit the rewinding of the film without break ing anv of its perforations 3 Turn the rewind knob in the direction of the arrow until vou hear a click or feel less tension as vou are turning The film is then free from the take up spool see figure 26 4 Open the back of the camera pull up the rewind knob and remove the cassette 5 Turn the rewind button back to its original position fig 26 21 SPECIAL FEATURES e TRIPOD SOCKET The ZENIT EM camera is equipped with a universal tripod socket inch This socket is also suitable to fix other picture taking accessories such as L bracket mini pod etc see figure 28 e CABLE RELEASE A cable release may be used to release the shutter This cable release has to be screwed in the shutter release button see figure 29 22 fig 29 MAINTENANCE e CAMERA Since the ZENTT EM camera is a precision instrument it should be handled very carefully Keep it clean Protect it against shocks humidity and quick temperature changes This is particularly important during winter At very low temperature mechanical gears may freeze if not kept warm Keep
9. ow figures from 13 to 28 indicate the film sensitivitv in DIN degrees Place the film speed index mark according to the film sensitivitv used either in ASA units or in DIN degrees e SETTING THE LIGHT TIMER The ZENIT EM camera is equipped with a built in light meter not coupled to the lens see figure 9 The light meter permits reading the light intensitv on the subject Two adjustments must be made to ensure a correct ex posure shutter speed and aperture of the lens The photo electric cell enables vou to compute these adjustments DIN film speed window Film speed index DIN Shutter speed scale Aperture scale ASA film speed window Film speed index ASA Rewind knob Light meter indicator Calculator 10 1 Aim the camera at the subject 2 Turn to the left or to the right the shutter speed scale 3 see figure 10 in order to bring the indicator circle of the calculator over the light meter needle see figure 11 Once these two elements are centered all different combinations of exposure shown should give normal density pictures Depending upon the special characteristics of the sub ject the shutter speed and the aperture of the lens indicated on the dial have to be chosen and transferred respectively on the shutter speed dial of the camera and on the aperture setting ring of the lens see figure 12 fig 11 11 12 A E WWAN e ADJUSTING THE SHUTTER SPEED The numb
10. ss In the center of this ground glass a microprism circle helps to obtain the sharpest focusing when this screen is no more visible your subject is in focus NOTE Two indexes are shown on the depth of field ring see figure 19 The line and dot index 4 must be used with color or black and white films The R index must be used with infra red films To shoot with jofre red film focus in the usual way Then adjust the distance matching the line and dot index in front of the R index This ad justment will correct the focus for the infra red fig 19 spectrum 17 B c 18 Depth of field Two scales corresponding to lens aperture stops are indicated on each side of the line and dot index on the depth of field scale see figure 20 These figures are the limits in which the photograph will be in sharp focus When lens is focused and diaphragm set limits of depth of field can be read on the distance scale Example If focusing indicates a distance of 6 feet 1 8m with an aperture of f 16 your photography should be in focus from 4 2 feet 1 35m to 10 feet 3m see figure 20 If vou chose an aperture of f 4 vour picture will be in focus only from 5 2 feet 1 65 m to 7 feet 2 1m Self timer Proceed normally for focusing as well as for calculating adjustments of the shutter speed and of the aperture of the lens Cock the shutter and the self timer mecha nism bv turning completelv down the self timer l
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