www.orphancameras.com ZORKI-4K is a single-lens rangefinder camera intended for taking various amateur and professionalpictures on black-and-whitefilm. The camera is provided with a shutter setting lever and a self-timer and is 'rM, and "X'r synchronized. The viewfinder and the rangefinder of the camera have a common field of view and the camera eyepieceis provided with a device for adjusting it according to a particular eyesight.
Framesizermm . , . . . o . .24X36 P e r f o r a t e d f i l m w i d t h , m m .. . Numberof framesfor one loading . , , . . . ,35 .36 Focalplaneshutterspeeds . . , o . . Mechanical back focal distance, mm Viewfinder eyepiecemagnification, times Eyepieceadjustment, diopters o a . a Threadof shutterbutton for cablerelease T r i p o d b u s h t h r e a d , i n c hr . o . . a . . I to l/1000s"8'' (automatic), (byband)andslow shutterspeed 28.3 r.l5 +2,5 KO 3.5x0.
www.orphancameras.com Lens Nominal focal length, mm Relative aperture range Focusing range, m Field of view, grades Lens stiating thread Lens mount thread for light f ilters Seat for sun shade,mm Overall dimensionsof camera without case,mm Mass of camera without case' kg INDUSTAR-50or JUPITER'8 50 50 tlz to Il22 f/3.5to f/16 I tO r. oon I tO 45 M39XI 45 M39XI CnM35.5X0.5 937 .. @" CnM40.5X0.5 o 42 143x88x94 0.6 0.
Th. !te!g{r_tManualcontainsbrief descriptiona n d m a i n r u l e s o f u s i n g the ZORKI-4Kcamera,but it shouldnot be regarded as a handboo[ on photography. Before starting to use the camera thoroughly study the operating procedureaccording to the given Manual. The camerais a complicated opticalmechanicaldevicewhich should be handledcarefully,kept clean and pfotectedfrom blows,moisture and sharpchangesin temperature. Load and unloadthe camerain diffusedlight trying to avoid clirect sun rays.
www.orphancameras.com Do not touch surfacgsof optical 'clean dgtails with hands since this t-t likely the coate.doptical details only. flgf i-o-du"nr;g;-ih;ir ;;;iing. "rtriOJ Tuittra clean soft piece of fabric dr cotton wool slightly moistened*itfi i..titi.O alc6hol,ether (petroleumor sulphuric), or, if these means are absent,with toilet eau'de'Cologne.
fi9:. 1..Front view.
www.orphancameras.com Fig. 2. Top view. 9-diopter adjustmgntlever; lO-attachment groove; I I ]-shutter speed dial; i z-synchronization scale; l3-shutter release I6-svn.
Fig. 3. Rear view of camera with coyer removed.
www.orphancameras.com 10 Fis. 4. JUPTTER-8and INDUSTAR'6Olenses.24-ring with aperture 25-focusing ring with distance scale and index mark of apgLrcil.; 'scale; 27-aperture setting. ring with 26-dEpth-df-field scale; iuii 'aperture scale and distance scale; index maric; 28-foiusing ring with Zg-depth.
5 . I . C A M E R AL O A D T N G Turn off the screwon the casebottom and remove the camerafrom the case. Raisetwo locking clips on the camerabase plate and turn them as far- as they will go; mov6 the coveralong its groovesand tdke it ofT the camera. Placethe cassettewith film in the seat and put it ' on the cassette spoolguide. . -of Full the film end-out the cassetteas long as to the cameraedge,insert it in the take-upspoil slot. see that a sprockettooth would enter a pdrforation hole.
www.orphancameras.com Before releasingthe shutter after the sec.ondsetting set f igure "0". 6f titg exposurecounter dial against the in?ex mark on the shutter setting lever. lf ltre film is wound tightly in the cassette,the film rewind knob will rotale when the shutter is b.ilg u.t. Sfiouia the film be wound loose in the cassette, itte t nob will fail to rotate at the initial frames. Now vou can put the camera into its case' Do not i;;g.f io tighien up the tripod screw in the case bottom. IG 5 . 2 .
I To obtain a still longer exposurethe releasebutton can be fixcd in this position by turning it counlerclockwiseas far as it will go. The exposing over, return the button into the initial position. To avoid mechanismdisengaging, do not rotate the button without need. It should be rememberedthat to set the shutter speedsof l, ll2, ll4, l/8, l/15, l/60 of a second,an additional effort is required to wind an additional delayed-actionmechanism spring.
www.orphancameras.com 5,4, FOCUSING Objectshaving sharp contoursshouldbe selected 1,4 IOr IOCUSlng. Watching through the range-viewfinder eyepiece, turn the diopter adjustment lever to obtain the sharpestimage of an object in the eyepiece. In the centre of the viewfinder field of view there can be seen a yellowish rectangle with a double image of the object being viewed in it. Turn the lens ring to match the two images of the same focusing -Keep in mind that the image should be object.
of imageseenin the viewfinderwould fail to cor' iuti""[ to itre frame limits on the negative. To take a pictureof severalobjectsplacedat diffe' ;;i aiaGnt;jiom thi camerarus€ ihould be made ;i"; ?;pi[-"f-fietA scale.ftre scale consistsof the apertur.nu*blr! iepeatedon both sidesof the main ' ir|iex.il;il'Wfien ftre apertureis. set and the lens il f;diud,-itte-iiniitJ of'depth of field can be read pairs'on the distancescale. ;gffi;iil'ei;;umler with th. lens focusedfor 3 m and For example-,.
www.orphancameras.com 5.5.PHOTOGRAPHING To take a picture do the foltowing: a) load the camera; b) take the cap off the lens; c) set the lens aperture (if required put a light filter or a sun shadeon the lens); d) set the shutter;, e) set a required shutter speed; f) watching through the eyepieceof the range-viewf inder, point the camera at the object, adjust the eyepieceaccording to your eye and focus the lens; g) smoothly press the shutter release button. NOTE.
5 . 6 .C A M E R A U N L O A D I N G When the exposurecounter shows figure 36 rewind the film into- the cassette.For this almr a) remove the case; b) turn the shutter disengaging bush in the clockwise direction as far as if will ko; c) pull the film rewind knob up-wardsand rotate it in the arrow direction till the feel of the applied force indicatesthat the film end has left the take-up spool; d) take the cover of f the camera and remove the cassette; e) turn the shutter disengaging bush counter.
www.orphancameras.com 6.1.SELF-TIMEROPERATIN9 The self-timeris used when one wishesto photographoneself.For this aim do the following:mount the cameraon a tripod, set the shutterand set the self-timerby turning the self-timerleverdownwards as far as it will go. Set a requiredapertureand shutterspeed;selectan object and focus the lens. Press the self-timer releasebutton and take your place in front of the lens. The shutter operatesin no lessthan 9 secondsafter pressingthe button.
6 . 2 .P H O T O G R A P HNI G WITH FLASH LAIITPS To take pictures in conditions of poor illumination ifmtt- iirfipr are used. For this aim plug a tip. of ;ilasdGtitp connectingcord into the iamera socket' "M" of the synchro' To use a flash bulb set letter nization scale against the dot on the camera plate' 'is to be used, letter :'X" When an electronic flash strouiAbL set against the index dot of the synchronization scale.
www.orphancameras.com 6 . 3 .L E N S C H A N G I N G The pictureis taken with a 135mm lens. z0 lenThe ZORKI-4K acceptsall the interchangeable s e si n t e n d e df o r Z O R K I t y p e o f c a m e r a s . To change a lens set the shortest distanceby the distancescale and screw the lens out of the camera by turning it counter-clockwise. W h e n s c r e w i n gi n a n i n t e r c h a n g e a b l e n s , b e s u r e t o s e t i t a t t h e s h o r t e s td i s t a n c ea s w e l l .
R E F E R E N CTEA B T E of sensitivityunits of differentsensitometric systemsfor photographic rnaterialsof normal contrast(y:0.8*,1.0) rocT-ASA 16 20 25 32 40 50 65 80 r00 130 160200 250 320 400 500 DIN 13 t4 15 16 t7 18 19 20 2t 22 23 24 25 26 27 28 Vneshtorgizdat No. 5159M Ord.
