LEITZ Leica IIIa User Manual Download Page 18

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Summary of Contents for Leica IIIa

Page 1: ...z4le 1517 l19lZl 16 20 Fig I 1 The external parts of the Leica camera l Winding knob for simultaneous winding of film and setting of shutter o 2 counting disc automaticaily recording the number of ex...

Page 2: ...size of image t 1 The two Object Glassesof the Range Finder the mechanism of which is interconnected with the focusins mount of the lens 12 Back winding l nob extensible to wind the film back into sp...

Page 3: ...ing swrvel 23 a d turling same frorn closedr t o open as far as it will go Lift lid and then unhook at pin 14 B BB gs 87 Fig 3 The interior then presents the appearanee as shown in F ig 3 Now withdraw...

Page 4: ...ent re spool B3 8 2 Fig 4 and 5 B Complete Spool 81 Outer Shell 82 _ Inner Shell B3 Cent re Spool B 4 Slot of Centre 85 Milled l nob of B 6 Slots of Spool B7 I nob of Spool 88 Safety Spring Chamber Mo...

Page 5: ...shell then constrains the inner shell to be mo r d fotrg lle slot in the required manner thus l Int roduce the inner shell with spool in the outer shell until its rim comes to a gtop thd slot openincJ...

Page 6: ...index finger of the left hand the safety spring B 8 by pulling it backwards Fig 7 and turn the inner shell with the right hand at the knob towards the right clockwise to the end of the movement Then w...

Page 7: ...BB 3 tr ig 8 I_nsert daylight loading film spool into the milled knob first and so that the the inner shell with seal lies in the slot 4 Sourced via www specialoperationsaustralia com...

Page 8: ...causes fogging This is not the case with backed films or films having an intermediate layer against halo For this reason we particularly commend these brands Daylight loading Leica films are supplied...

Page 9: ...car tridges for d y ligrt t loadi_ng Thg cartridg i used once only aila is openecl in the darkroom for developing the film The loading of h Leica cartridges into the camera and also the unloading is...

Page 10: ...To this end release with the index finger of the left hand the safety spring B 8 by pulling it backwards Fig 12 and turn the inner shell with the right hand at the knob towards the right clockwise to...

Page 11: ...e arrow Wind film on centre spool moderately tight emulsion side inward and if possiblC use hand film winder or mechanical winder Take care Lhat emulsion is not touched 88 Fig T4 5 Introduce film spoo...

Page 12: ...ell half a turn to the left until the safety spring engages at Z Pull out the beginning of the film about 2 to 3 inches from the closed spool chamber so that it does not slip back If the loaded chambe...

Page 13: ...sub dued daylight and the slot of the chamber should be covered yp F well as possible The chamber should not be exposed to daylight longer than is absolutely neeessary for loa ding l Set the reversing...

Page 14: ...h left hand and the loaded cham ber B in the right as shown in Fig 19 Clamp the beginning of the film ernulsion side outwards under the spring Ml of the receiving spool The perforated edge of the film...

Page 15: ...t J r ra i ilce the film into 3 23 l n i t t t i l l iL i ji Fig 2l the slit w with the tapered side dov rrwards rf the spoor chambercloes tol a op i ighijlffi iiJJ r ilir rurn ro back_ windins kno 1...

Page 16: ...1 once and release press button Repeat this once rnore This in order to dispose of the useless tapered beginning of film Turn countirg disc 2 by means of the two lugs 3 towards the left i e against t...

Page 17: ...lease press trutton b When photographing_ rapidly rnoving objects the range finder should be used as view finder E Unloading of Camera in subdued daylight l Release once again press button b whether k...

Page 18: ...ment has been made to return it to its original position as far as the stop Now look through the rangefinder and turn the dial until the two images which are visible therein coincide Read the F ig 24...

Page 19: ...al trirnrning is not necessary On the other hand when film strips are cut as required from a long length cate must be taken that the two ends of the film are correctly t rimmed as this is absolutely n...

Page 20: ...into the narrow slot of the lower plate so that the end of the film projects stightly beyond the end of the Ternplate Then close the Ternplate and cut the film along it see Fig below Fig 26 Trimming T...

Page 21: ...the centre spool is made easier by a special metal Hand Winder As shbwn in I rg 27 the winder is inserted into the spool on that side which contains the little cross pin fitting the slit in the Winde...

Page 22: ...ce of the film f got picture to pictu re is obtained simply by turning the winding knob Fig l No 1 right round Co the stop wilhout having to watch a film window as with other roll film cameras arrow s...

Page 23: ...ture Fig 29 Extensible back winding knob Adiustment_ ol the shutter speeds ol the Le ica Mod el II and Standard Le ica This is done with the shutter wound The sutter spegd diat 7 Fig _I shows the expo...

Page 24: ...opens on release and remains open To close it do not press the release button again but merely turn the dial 7a back a little say to I or a little further when the shutter will close immediately If th...

Page 25: ...27 Sourced via www specialoperationsaustralia com...

Page 26: ...also 1 sec with a very steady hand for I sec however a support or tripod rs necessary tr or convenient focusing the following procedure should be followed For horizontal photographs Fig 3l Rest camer...

Page 27: ...ainst body operate focusing lever with index or middle finger of left hand whilst left thurnbr stead ies camera against forehead I The rnethod as set out above obviates shaking with utrnost cert ainty...

Page 28: ...he eye The field of view gives the exact size of the photo graphic image a L 9 L2 ft at infinity rather more is on the negative and a t 3 6 ft rather less This normal viewfinder is intended for use wi...

Page 29: ...by reason of the larger film chambers Each charnber holds a is sufficient for rather piece of film of 33 ft length which more than 250 pictures Fig 33 tr ig 34 The manipulation differs from that of th...

Page 30: ...bers are correctly placed When the two locks are closed the two chambers open together Finally the film is tightened by gently turning the back winding knob as well as the milled disc on top of the wi...

Page 31: ...rs can be neath the housing bushes pictures on a tripod trig 35 a fitted on top on the side and under are provided for upright or horizonhal i I t The body of the device does not contain a shutter An...

Page 32: ...is not pinched The slide is then ready for use Before making the exposure the focusins screen is placed in the groove in the slide where it is held by a spring and the lens is screwed in in front The...

Page 33: ...emulsion should further be protected by inserting a piece of blank film together with the holder holding il before the emulsion When the holder is finnlv inserted tne piece of blank film is slowly wit...

Page 34: ...F13 5 5 crn Lertz JtrImar F 13 5 3 5 cm Leitz Elmar F 14 5 3 5 cm coupling Leitz Elmar El1 I crn Leibz Elmar Ii 16 8 lO b cm Leitz Elmar F 14 5 13 5cm Leitz Ifekt or F f2 5 5 cm Leibz Ifektor F 11 9...

Page 35: ...building is not sufficient to show the latter in its entirety upon the negative Since the 3 5 cm lens embraces an angle of nearly 650 and the 5 cm lens only an angle of 480 the former has an undoubte...

Page 36: ...view finders see page 4b The i rgg angle for Leica negatives of the Leitz El rar 9 cm lens is 27o and of the Leitz Elmar lens lB 5 cm lg0 The LeitzF lrrna t lens 13 5 cm is approximately bt long and...

Page 37: ...th the range finder which has not been done befofe with lenses of tllis fo ca llength The relativ l y grea_tlight t ransmitting capacity of the lens permits f 1ntFi g shori instantaneous exposures eve...

Page 38: ...ly on the socket tube see Fig 39c indicating the direction in which to lock the lens The lens is simply turned right round to the stop and is then securely locked The aper ture figures can be convenie...

Page 39: ...the imag6 on the ground glass screen and the focusing are simplifiJd by X5 and a X30 magnifier It is advisable always tb use the lens on a tripod to avoid kitg The exposure is made by means of a d6ub...

Page 40: ...infinity eatch In addition to the rnain index line all Leica lenses except the Lettz Elmar 3 5 cm now have a second ind ex denoted by R which serves for focusing when taking infra red photo graphs The...

Page 41: ...4 0 6 I L 2 2 4 8 16 32 The excellent quality of our photographic lenses is due not only to progress in the art of computation and more exact methods of production but also to the use of special kind...

Page 42: ...scale It is understood that the reading of the depth of focal range is limited by the two ends of the distance scale namely 3 5 feet and infini ty A11 figures on the depth of focus scale appearing be...

Page 43: ...e trig 42 The carnera is held during the exposure as illustrated in Fig a3 Focusing bry means of the reflecting prism of the an gular view finder is sirn plified if the object is first sighted in the...

Page 44: ...displacement of bot h optical axes this view finder is fitted with a cam and lever rnotion for tilting the finder By this affrargement it is ensured that an object sighted through the cent re of the f...

Page 45: ...are all correct for distances over 30 ft The thin lines within the various fields however are correct for close ups at about 6 ft and show the reduced field obtained at these short ranges A small cros...

Page 46: ...t l 3h tt obtained with any p articular lens This is a g eat convenience especially lrrhen _ oit irrg with long focal r tn r n es as one need not take the camera and lenses from t hecase until the be...

Page 47: ...sk on the front side it also serves in its normal posilion to give the field of the Fig 46 13 5 cm lenses and in the opposite position that of the 10 5 cm lenses So as to facilitate t he exact alignme...

Page 48: ...re blocked out in the yso way The image is uprigh and correct as to_right ttd left The field of vrew corresponds to that of the Leica lenses of 5 cm focal length and Leica negative size 24 X 36 mm On...

Page 49: ...the side of the at t achment either directly with the finger or by means of a wire release tr ig 48 The button should be depressed until the shutter has entirely run down Do not remove the finger befo...

Page 50: ...n 3t l ft as well as for the reproduction of printed rnatter illustrations document s etc They screw in the front lens mount of the 5 cm F 3 5 Leitz Elmail or 5 cm E 12 5 Leitz I ektor lenses and shou...

Page 51: ...small depth of focus The front lenses to the Leitz Hektor 5 cm lens how over require a restricted use of the iris diaphragm For further particulars please refer to the Tables for Ilse with the Leica...

Page 52: ...l 1 1 0 1 6 1 0 2 0 1 1 0 1 0 1 0 L7 l t l o s l 1 0 t 8 l t10 L 5 l 1 0 r r t tro t 4 l tto t 6 I 1 0 1 8 1 0 l E l Ito t 2 l 1 0 t 4 l t t o t o l 1 0 L 5 I tto l 1 0 Filter No 0 1 5 1 5 r 2 1 2 1 8...

Page 53: ...6 1 4 1 8 1 6 1 8 r 3 2 0 r 3 2 0 1 5 1 8 1 5 r 8 r 3 1 8 2 6 3 2 3 1 3 9 1 6 2 0 2 5 4 0 2 5 3 8 I 6 1 8 1 2 1 8 2 5 3 2 2 2 2 5 r 6 2 5 1 3 1 8 L 4 2 0 1 6 2 0 r 9 2 0 t 9 2 5 1 6 2 3 I 6 2 0 1 6 2...

Page 54: ...s according as the film is more correctly sensitised as to colour rendering the filter in use can be correspondingly lighter for instance B Iighter filter wiII be used ri ith palbtrroinatic film than...

Page 55: ...reater is ihe loss in sharpness This loss of sharpness must of course not be exaggerated rt can in fact be completely overlooked in the case 6f films having a very thin co ating of emulsion tr or use...

Page 56: ...l photograpfy t obt_ainclear photographs of mountains scenery gJ to wts_throygh the mist aha tog piesent in the atmosphere this is of special importance in the 6ase of aerial photoeiaphv ln every case...

Page 57: ...5cm Leitz Hektor I3 5 cm l1 mm 6 3 towards oo 6 3 O m 4 5 6 3 o 9 r r 6 3 6 3 o The method is the following taking for exarnple the 5 cm Leitz Elrnar First ascertain ths diltancg by means of the range...

Page 58: ...re time as compared with photographs taken without a filter is shown in a table on pages 58 and 59 As at such heights the time of exposure generally required is only half that needed at lower altitude...

Page 59: ...bhe optical axis of tLe lens in he case level which serves to Doolu is slipped into _th clamp on the Iter the camera has been set exactly horizontal the first exposure is _taken with the p tro mi c t...

Page 60: ...rrangement for photographs upright photographs fn order to relieve the strain on the lid of the Leica when taking panoramic photographs with the heavy long focus lenses we recommend the use of the spe...

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