Zenit 11 Technical Description
Contents
1. lens 25 2 JI JO 26 aperture scale guide 33 lens mounting ring 27 film speed scale 34 aperture scale 28 aperture scale of calculator gt depth of field scale 29 shutter speed scale of calculator 6 distance scale 30 Pexposure meter needle 37 focusing ring 3 calculator pointer aperture setting ring 12 film speed scale index mark 39 control pin OPERATING PROCEDURES LOADING THE CAMERA Load the camera in the following procedure pull film rewind knob 9 upwards as a result back door 21 should open holding knob 9 in the upper position place a cassette loaded with film into chamber 16 return film rewind knob 9 completely home to its locked position draw out a film leader from the cassette and insert it into the slot of take up spool 22 in so doing ensure that a sprocket tooth engage a sprocket hole in film turn shutter cocking lever 11 as far as it will go to make sure that spro cket 23 teeth have properly engaged sprocket holes in film close back door 21 10 kire the shutter by pressing release button 4 While cocking the shutter film is advanced by one frame To transport a non exposed portion of film to the film gate cock and fire the shutter twice by turning lever 11 and pressing button 4 Bring figure 0 of exposure counter dial 10 to the index mark before the second shutter firing Should the film be wound tightly in the2. of 1 8 is selected In ihis case you can read on scale 36 against two figures 8 of scale 35 two figures 2 3 and 4 5 It means that objects placed at a distance from 2 3 to 4 5 metres from ca mera will be sharp on film Approximate depth of field limits with a certain aperlure set on the lens can be determined visually as well To do this press release button 4 till a definite stop and evaluate the image sharpness visually on the ground glass collar in the view linder PICTURE TAKING Having prepared the camera for picture taking cock the shutter make sure of correct focusing and exposure setting and smoothly press the release button to take a picture REMEMBER that sharp pressure on the release button results in camera shaking at the moment of exposure and thus in blurring of the picture To take a picture make sure that marks on release button 4 and the camera top plate between index marks and V align UNLOADING THE CAMERA When the exposure counter shows figure 36 rewind the film into the cassette To do this release the shutter by pressing the release button 4 set the shutter speed dial at any shutter speed oe but B and long exposure K disengage the shutter by pressing down bush 12 against the stop lift crank 8 and rotate it in the arrow direction until the film leaves the take up spool pull out the film rewind crank as far as it will go as a result the bac
3. 4 12 1 70 Tair 3A 300 1 4 5 8 2 20 3M 5A 500 1 8 5 4 00 1000 1000 1 10 2930 10 00 19 4046 11
4. V O TECHNOINTORG er ZENITI STILL CAMERA Technical Description ATTENTION The present Description contains characteristics and essential operating princip les of the ZENIT 11 camera and cannot be regarded as a handbook on photography Before using this camera make thorough study of the handling rules and ope rating procedures given in the present Description Due to ever advancing development in camera construction minor differences may occur between the text and your camera USES AND ADVANTAGES ZENIT 11 is a 35 mm single lens reflex camera intended for a broad circle of amateur photographers It is designed for various kinds of shooting on black and white or color films The camera is fitted with a mechanism of automatic pre set diaphragm a built in exposure meter an instant return mirror a self timer a shutter cocking lever and is synchronized for use with flash units The camera is focused by a microraster as well as a ground glass collar The Fresnel lens ensures uniform brightness of image over the whole field of view of the viewfinder With the help of extension tubes the ZENIT 11 camera can be used for making copies It allows as well to take close up pictures of small size objects at short dis tances macrophotography and to take pictures with the help of microscope photomicrography The ZENIT 11 camera has the following features secret lock of the back door a shutter disengagin
5. cassette knob 9 with film rewind crank 8 will rotate when the shutter is being cocked If the film is slack in the cassette the rewind knob will fail to rotate with the first few frames FILM SPEED SETTING The film speed scale has figures 16 32 65 130 250 500 showing film speed in l OCT ASA units Under figure 32 there are marked two dots the left hand one corresponds to a film speed of 25 FOCT ASA units and the right hand one to 32 FOCT ASA units The opposite side of the scale has figures 13 16 19 22 25 28 showing film speed in DIN grades The film speed scale figures can be seen in curved windows ol the aperture scale the windows are fitted with setting index marks To set a re quired film speed for example 65 units turn aperture scale 28 to bring the setting index mark to figure 65 The same procedure should be followed in setting film speed it is calibrated in DIN grades 11 Reference Table of Film Speed Units 6 2 32 45 65 90 130 180 250 350 500 ASA 1620 25 32 40 50 64 80 100 125 160 200 250 320 400 500 DIN 13 14 15 16 17 18 1920 21 22 23 24 25 26 27 28 EXPOSURE DETERMINING Direct the camera at an object to be photographed Turn shutter speed scale 29 tc line up calculator pointer 31 with exposure meter needle 30 By scales 28 and 29 you can read now a number of combinations of shutter speeds and aperture values appropriale for a given scene and speed of the loaded film With a
6. g bush a tripod nut in the centre of the camera bottom a shutter speed dial that is not rotating while cocking the shutter a film rewinding crank cable connection for flash units a hot shoe for flash units HANDLING RULES The ZENIT 11 camera is a precise optical mechanical instrument It should be handled carefully kept clean and protected from jolts dust moisture and sharp temperature fluctuations Do not remove the camera from its case the moment it is brought indoors from cold to avoid sweating of its parts especially optical ones Do not touch with fingers the surfaces of the optical parts since it is likely to cause deterioration of their coatings Clean the optical coated lens surfaces with a clean soft cloth or cotton wool wad slightly moistened with rectified alcohol or ether The surfaces of the mirror and focusing device may be cleaned only if absolutely necessary with a dry soft brush but in no case with humid cleaning agents Keep the camera closed in its case in so doing the cap should be placed on the lens and shutter released Do not remove the lens rom the camera without need to prevent dirt and dust from getting both onto the surfaces of the lens optical parts and into the camera itself To screw the lens in and out take hold of it with your hand and apply the main effort to the lens mount part carrying the depth of field scale Load and unload your camera either indoors or in s
7. hade protecting it against direct sun light Always cock the shutter as far as it will go to avoid blank exposures Do not keep the camera with the shutter cocked for a long period of time since it is likely to impair the shutter operation Do not try to wind the shutter speed dial along its short section from 500 to B and the film speed dial along the figureless section of scale Do not rolate shutter speed dial and do not cock the shutter when self timer is running in B mode and when setting the release button in T position It is likely to cause unsticking of the shutter blinds tape The camera photocell is designed for a long service life To ensure its trouble free operation and long time service do not subject it to the direct sunlight and carry the camera in its case when you are not using it Keep the photocell window clean to ensure accurate operation of the exposure meter Since the camera is a complex instrument its repair and adjustment should be made in repair shops only SPECIFICATIONS Frame size mm 8 3 24x 36 Film used KO 4 35 mm perforated Maximum length of film in cassette m 1 65 Number of frames e 36 Shutter speeds Brightness measurement ae of expo sure meter cd m PEU Film speed range Lens gt 2 5 Focal length mm Maximum relative aperture Distance scale m Seat for sun shade mm Light filter mount
8. ing thread mm Viewfinder field of view mm Eyepiece magnification Flange film distance mm Cable release thread Tripod bush thread Overall dimensions mm Mass kg from 1 30 to 1 500 s B hand controlled and long exposure from 25 to 13000 16 to 500 units HELIOS 44M HELIOS 44M 4 58 58 f 2 1 2 from 0 55 from 0 5 tooo 54 2 54 52 x 0 75 52 0 75 20 28 4 3x 45 5 8 3 5x0 5 1 4 4 e 5 186 x 98 97 0 95 Certificates of authorship 366447 150360 153652 102683 476534 178682 rA TRI tt CEER self timer lever 9 self timer release button flash unit connec tor socket release button threaded for cable release photocell i eyelet for strap securing lens Me a XE n E 426 2 he lt 8 film rewind crank 9 film rewind knob pA 11 2 10 exposure counter jo dial 11 shutter cocking and film advance lever 12 shutter ging bush 13 shutter speed dial 14 protective strip of hot shoe 15 shoe for mounting flash units and other accessories 98 9 14 13 2 11 10 16 cassette chamber 17 lock latch 18 cassette spool guide 19 viewfinder eyepiece 20 pressure plate 2 23 22 21 back door 22 take up spool 23 sprocket 24 film frame slides 25 film gate HELIOS 44M 4
9. k door will open Holding knob 9 in the upper position remove the cassette If necessary the camera be unloaded after exposing any number of frames 16 OPERATING THE SELF TIMER To use the self timer mount the camera on iripod then do the following focus the lens set an exposure shutter speed and aper iure press button 4 till a definite stop and turn it clockwise With HELIOS 44M lens instead of pressing the button set the diaphragm mode se lector switch to position cock the shutter wind the self timer turning the self timer selling lever down as far as it will press self timer release button 2 completely home take vour place in front of the lens The shutter will operate in no less than 7 se conds after pressing the button TAKING FLASH PICTURES The camera shutter is synchronized for use with various types of flash units X synchronization To connect a flash unit with the camera the latter is fitted with a socket on the front wall of camera The camera is provided as well with a hot shoe Flash pictures can be taken at a shutter speed of 1 30 s only 17 INTERCHANGEABLE LENSES The camera accepts various interchangeable lenses intended for ZENIT type of reflex cameras with a roller blind shutter The interchangeable lenses likewise the standard ones are mounted on the mera by means of M42X1 thread The flange film distance
10. ny oi these com binations you can obtain an image of proper density The shutter speed and the appropriate lens stop chosen depending on condi tions of photographing should be correspondingly set on the camera and the lens Figures from 500 to 2 on shutter speed scale 29 show shutter speeds in frac tions of a second and those from 1 to 36 show whole seconds Figures within the interval from 566 to 30 indicating fractions of a second on the shutter speed scale 29 of calculator correspond to those on the shutter speed scale of the shutter 13 For example figure 125 of the calculator shutter speed scale alines with figure 5 6 of the aperture scale It means that with the lens stop of f 5 6 the shutter speed of 1 125 s should be used with the lens stop of 1 4 the shutter speed should be that of 1 250 s with the lens stop of 1 8 1 60 s and so on If necessary it is possible set a required lens stop by a selected shulter speed Should the marks of the scales fail to aline by half an interval the lens aper iure ring should be set in a half stop click stop position between corresponding values of the aperture scale 12 Cases of sharply helerogeneous illumination of a scene require special atten tion 1 the main object of a scene is less illuminated than the background Such a case usually takes place when taking pictures against snow sky or water back ground lighted with the sun To obtain correct exposure of the main dark
11. object open the diaphragm 1 or 2 steps more as compared with the exposure meter reading 2 main object is more illuminated than the background when taking a picture of an illuminated face of a person against a dark background and so on ln such a case step down the lens 1 or 2 steps SHUTTER SPEED SETTING Turn shutter speed dial 13 to bring a selected shutter speed value opposite to the index mark In so doing the dial is click stopped Figures on the shutter speed dial show shutter speeds in corres ponding fractions of a second and indicates a hand controlled shutter speed Shutter speeds may be set both with the shutter cocked and released When taking pictures at B the shutter remains open while the release button is pressed To obtain a long exposure turn the depressed release button counter clockwise as far as it will go to fix it in this position The exposure over return the release button to its normal position To take a picture with B or long exposures use should be made of a tripod STOP SETTING To obtain a selected aperture on HELIOS 44M 4 lens align with the index mark one of the figures 2 2 8 4 5 6 8 11 16 of aperture scale 34 engraved on aperture setting ring 38 This procedure will not result in lens stop setting but will set preliminarily the aperture value to which the diaphragm will close down at the moment the release button is pressed The same should be done to set an ape
12. of the lenses is 45 5 mm When using a TAIR 3A interchangeable lens the left hand and right hand edges as well as the upper one of the image on negative may be slightly cut The camera does not allow to use its exposure meter when use is made of 3M 5A or MC MTO 1000 AM interchangeable lenses as the outer mounts oi these lenses shade the photocell When interchangeable lenses having no automatic pre set diaphragm are used the diaphragm is set manually CLOSE UP SHOOTING With the help of a special stand the ZENIT 11 camera can be used for making copies of drawings manuscripts photographs etc To make copies use should be made of extension tubes that go between the camera casing and the lens One tube or a combination of tubes can be used to achieve the magnification wanted Repro duction scale depends on the length and number of tubes When use is made of HELIOS 44M 4 lens extension tubes fitted with control pins should be used Other interchangeable lenses accept extension tubes without control pins YT3 In such a case the diaphragm is set manually 18 Interchangeabie Lenses Main specifications relative view distance m Mir 10A 28 1 3 5 75 0 20 37 1 28 60 0 24 MC Industar 61 50 1 2 8 45 0 30 Jupiter 9 85 2 28 1 00 Helios 40 2 85 1 1 5 28 0 80 11 135 f 2 8 18 1 20 Jupiter 6 2 180 1 2 8 14 2 00 Jupiter 21 A 200 1
13. rture on HELIOS 44M lens But in so doing the diaphragm mode selector switch of the lens should be set to posi lion FOCUSING The camera viewfinder is provided with Fresnel lens 43 in the centre of which there are two focusing devices microraster 44 arranged in the centre of the field and ground glass collar 45 Watching an object to be photographed turn focusing ring 37 to obtain a sharp image on the microraster or the ground glass collar Focusing is better done with the diaphragm fully open The best sharpness is obtained when the image in the microraster is clear without ripples The ground glass collar is used mainly for photomicrography and macrophotography or with the smallest lens stops Focusing can be done as well without looking in the viewfinder To do this turn 14 focusing ring 37 and making use of distance scale 36 set the distance between the object and the film plane against the big index mark of scale 35 When in rared film is used the red dash with letter serves as a reading index of the distance scale After focusing the lens the distance scale value set against the standard index mark on the lens should be set against the red dash with letter R DEPTH OF FIELD DETERMINING Making use of scales 35 and 36 you can determine the distances from the film to the front and back limits within which all the objects will be sharp on film For example the lens is focused at 3 m and an aperture
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