www.orphancameras.com This camera manual library is for reference and historical purposes, all rights reserved. This page is copyright by mike@butkus.org M. Butkus, N.J. This page may not be sold or distributed without the expressed permission of the producer I have no connection with any camera company If you find this manual useful, how about a donation of $3 to: M. Butkus, 29 Lake Ave., High Bridge, NJ 08829-1701 and send your E-mail address too so I can thank you.
www.orphancameras.
www.orphancameras.com Congratulations on your choice of the Zenza Bronica GS-l, a lens shutter type s i n g l el e n s r e f l e x c a m e r a i n t h e 6 x 7 f o r m a t .
www.orphancameras.com corvtenrrs 2 Specificationsof the ZenzaBronicaGS-1 Partsof the ZenzaBronicaGS-l 4 1 . L o adingt heB at t ery 7 2. MainSwitch 8 3 . ,Fi n derDis playand B a tte ryC h e c k i n g. . . . 8 4 . Atta c hm entand Re mo v aol f F i l m Ba c k s. . I 5 . C o n s t r u c t i o n oFf i l m B a c k . . . . . . .11 6. FilmLoading.. ......11 7 . F i l m S p e e dD i a l . . 15 8. ExposureCompensationDial . . . . .15 9 . Fi l m T y pe I ndic at o rF ra m e . . 16 10. ExposureCounter .....16 1 1 .
www.orphancameras.com Specification$'of the Zenza Type Framesize Fifm Standardlens Filter size Lensmount F o c u s i n ga d j u s t m e n t Lens diaphragm Shutter Shutter release Film winding Multiple exposure Mirror lock-up Film back Finder @ ihicarcs-t i iiiiirrri;:.:..t 6 x 7 c m f o r m a t l e n s s h u t t e r s i n g l e l e n s r e f l e x c a m e r a , w i t h i n t e r c h a n g e a b l el e n s ,f i l m b a c k , finder and focusing screen systems. 5 5 . 6 x 6 9 .
www.orphancameras.com ,t::. Focusing screen Finder indications Interchangeabletype; standard type, supplied with camera, has full-area matte screen. S h u t t e r s p e e d , e t c . , i s s h o w n a t t h e t o p o f t h e f i n d e r a r e a ,o u t s i d e t h e s c r e e n a r e a ; 5 d i g i t s , 7 s e g m e n t sa n d d o t i n d i c a t i o n , d e p e n d i n go n f i n d e r a t t a c h e d .
www.orphancameras.
www.orphancameras.
www.orphancameras.
www.orphancameras.com A. Depressthe battery chamber button with your finger and, at the same time, move the battery chamber cover in the arrow-indicated direction. The coverwill come off quite easily. B. Coincide the plus (+) and minus (-) marks on the battery with similarpolarity indications in the battery chamber. Then, push in the battery. lnsert the battery chamber cover into the BATTERY end first and then move the cover in the other direction until it locks.
www.orphancameras.com 2 I MainSwitch The main switch is located on the upper left side of the main body . There will be no operations unless the main switch is pushed down (i.e., switched oN). * There is no power consumption, evenwith the main switch ON" However, the battery-life w i l l b e s h o r t e n e dw h e n t h e s h u t ter release is stroked halfways and the shutter speed disPlaY lights up steadily or flickers.
www.orphancameras.com 4 Attachment and Removalof Film Backs The film back is a film chamber that can be attached or detached f reely f rom the main body, thus permitting f ree exchange of f ilrn types, at all times. Since the main body and film back are always fully coupled, upon connection, always turn the film winding crank completely one time, upon attaching the film back. lf winding is not possible, all preparations for taking the picture have been completed.
www.orphancameras.com A. To attach the film back to the main body, simply insertthe latches at the upper end of the film back into attachment openings at the upper end of the main body. Then, press the lower end of the f ilm back against the main body until it locks securely. * The dark slide must be withdrawn from its slit, upon attachment of the film back to the main body, as otherwise the shutter cannot be released. @ B.
www.orphancameras.com Film holder A . T h e f i l m b a c k c o n s i s t so f a f i l m h o l d e ra n d f i l m b a c k f r a m e , with exclusivefilm backs available for 120 and 220 roll films. The film holder is not only det a c h a b l ef r o m t h e f i l m b a c k b u t also has a built-in film winding mechanism. * Read instructions supplied with the Film Back GS 135 for l o a d i n g1 3 5 r o l l f i l m . B.
www.orphancameras.com Black surface of leader must face out \, I Empty take-up spool Fresh f ilm spool B. lt will be possible to take out the film holder,uPonopening the back cover. C. The film holder has two s p o o l h o l d e r s ,w i t h t h e r i g h t o n e for the fresh film spool while the left one is for the empty take-up spool. The top spool holder is opened, as illustrated, by sliding the film (spool) in t h e a r r o w - i n d i c a t e dA d i r e c t i o n .
www.orphancameras.com E. Rotate the manual film winderon top of the f ilm holder i n t h e a r r o w - i n d i c a t e dd i r e c t i o n and wind up the film leader. When the starting point, or arr o w m a r k , a p p e a r s ,a l i g n i t w i t h the triangular V start-mark on the right top side of the film holder. Then, stop rotation. F. The starting point can also be aligned with the start-mark, with the film holder loaded in the film back.
www.orphancameras.com G. Close the back cover, by pressing it f irmly against the right side of the film back base, as illustrated. The back cover will automatically lock and close. The same operation will close the back cover when the film back is detachedfrom the main body. @ H. Upon loading the film, rotate the film winding crank until it stops to place the first frame i n t o p l a c ef o r t a k i n g t h e p i c t u r e .
www.orphancameras.com 120 roll film I Starting mark 22O roll film Dotted line I Starting mark * When loading 220 roll film in the Film Back GS 220, do not mistake the dotted line before the arrow mark for the start-mark. * For the use of f ilm backs other than the 6x7 format, read the instructions supplied with the film back. Set the film sensitivity of the film loaded in the film back, w h e n u s i n gf i n d e r s w i t h a b u i l t in exposure meter.
www.orphancameras.com Upon loadingthe film, tear off the end flap from the empty f i l m p a c k a g ea n d i n s e r t i t i n t h e film type indicator frame. This will help you keep track of the film loaded in the film back, even when two or more film backs are used with different types of films.
www.orphancameras.com The filrn winding crank automatically stops, when rotated completely one time in the forward direction, with film advanced one frame and shutter c o c k e d , a t t h e s a m et i m e . Or, short, rapid strokes, up to an accumulated full rotation, will also do the same job bec a u s eo f a r a t c h e t e d m e c h a n i s m . * The mirror lock-up levermust be vertical at all times, except when shooting with the mirror locked up. (See"Mirror Lock-Up" on page 28.1 A.
www.orphancameras.com A 500 250 125 60 White 30 t5 A. The shutter speed scale is viewed in its window over the s h u t t e r s p e e dd i a l . T h e n u m b e r s on the scale are shutter speed s e t t i n g s ,w i t h n u m b e r s 1 t o 1 6 5 f u l l n u m b e r s a n d n u m b e r s2 t o 500 fractions of a second. For example, "165" is 16 seconds, 'll2 sec. and "500" is "2" is 1 /500 sec.
www.orphancameras.com C . T h e s h u t t e r s p e e dd i a l i s s e t t o A , f o r a p e r t u r e - p r i o r i t yA E p h o t o g r a p h yw h e n a f i n d e r w i t h a built-in exposure meter is attached. To set A, press the shutter speed dial lock button and rotate the shutter speed dial, at the same time. To change from A to another setting, for manual photography, p r e s st h e l o c k b u t t o n a n d r o t a t e t h e s h u t t e r s p e e dd i a l t o t h e r e quired setting.
www.orphancameras.com A n e l e c t r o - m a g n e t i cs h u t t e r r e lease button is incorporated in the Zenza Bronica GS-l . Stroki n g t h e r e l e a s eb u t t o n h a l f w a y i l l u m i n a t e st h e s h u t t e r s p e e d ,a s digits and dots, etc., in the display panel in the top center of the f inder, outside the screen area.
www.orphancameras.com A. First, cock the shutter with the f ilm windingcrankand then p u l l u p t h e t i m e e x p o s u r el e v e r r el e a s e . B . S l i d e t h e t i m e e x p o s u r el e v e r a n d r e l e a s et h e s h u t t e r , w h e n a red-colored "T" is exposed on t h e l e n s b a r r e l .T h e s h u t t e r w i l l stay open until the time exposure lever is moved in the opposite direction, exposing the l e t t e r " A " , w h i c h w i l l c l o s et h e s hu t t e r .
www.orphancameras.com Lenses l5 l Exchanging A. To attach the lens,align the white dot on the main body and the red dot on the lens, and t h e n i n s e r t t h e l e n sf u l l y i n t o i t s mount. Rotate counter-clockwise (in the arrow-indicated direction) until it stops, with an audible click, which will ind i c a t e t h a t i t i s s e c u r e l yl o c k e d . @ B .
www.orphancameras.com A. Various types of optional f i n d e r s c a n b e i n t e r c h a n g e dt o match shooting conditions to photographic conditions. To attach the finder, align the front end of the finder with the front end of the finder frame on top of the main body, as shown. Then, gently lower the finder and, when well seated, slide forward until it locks. B.
www.orphancameras.com B. The Zenzanon-PG Series int e r c h a n g e a b l el e n s e s h a v e f u l l y lens d iaPhragms automatic which means that the focusing screen is always viewed at the f u l l a p e r t u r e ,w i t h t h e b r i g h t e s t p o s s i b l e i m a g e . D e p r e s s i n gt h e depth of f ield preview lever stops the lens diaphragm down t o a p r e - s e l e c t e dl e n s o p e n i n g and permits checking of the depth of f ield effect on the f o c u s i n gs c r e e n .
www.orphancameras.com A. To adjust the lens to the required distance, without use of the f inder, simply rotate the focusing ring and set the distance opposite the orangecolored index. When the lens is focused,there is an apparent zone of sharpn e s s ,b o t h i n f r o n t a n d b a c k o f the focused plane, which is known asthe depth of f ield. * See the depth of field table f o r t h e Z e n z a n o n - P G1 0 0 m m l e n so n p a g e 3 7 . B.
www.orphancameras.com 221 FlashFhotography index to the infrared index, by s h i f t i n g t h e d i s t a n c er i n g . F o r e x a m p l e , i f t h e d i s t a n c ei n dicated by the orange-colored index is 3 m, when the lens is focused on the subject, re-set 3 m to the red-colored infrared index, by shifting the distance ring which will focus the lens properly at 3 meters for the inf raredf ilm loaded in the camera.
www.orphancameras.com ttt,. C . W h e n t h e d e di c a t e d S p e e d Light G1 for the Zenza Bronica GS-1 is used in combination with the Speed Grip G, it will be possibleto control the flash exposure by directly metering t h e f l a s hi l l u m i n a t i o na t t h e f i l m p la n e . * S e e i n s t r u c t i o n sf o r t h e d e d i c a t e d S p e e d - L i g h tG 1 f o r u s eo f the equipment. A. To make multiple exposures, rotate the film winding crank to advance the film and cock the shutter.
www.orphancameras.com 241 Mirror Lock-Up When the mirror lock-up leveris reversed, upon suspension of shooting with the mirror locked up, the shutter will be released. Therefore, shooting should be continued, in this case,by the following methods. A . F o r s h o o t i n gw i t h t h e m i r r o r locked up, first, rotate the f ilm w i n d i n g c r a n k a n d a d v a n c et h e f i l m a n d c o c k t h e s h u t t e r .
www.orphancameras.com C. Reverse the mirror lock-up lever. O n e f r a m e w i l l b e e x p o s e da n d , t h e r e f o r e ,w a s t e d . D. Cover the lens with its lens c a p a n d t h e n r e v e r s et h e m i r r o r lock-up lever. Then, take the next exposure, w i t h t h e m u l t i p l e e x p o s u r el e v e r turned. Reverse the multiple exposure lever, upon taking the picture. (See "Multiple Expos u r e s " o n p a g e2 7 . 1 E.
www.orphancameras.com The Zenza Bronica GS-l has an e l e c t r o - m a g n e t i cs h u t t e r r e l e a s e system which means that the usual cable release cannot be used. A Zenza Bronica Electro-Magnet Cable Release is available for this purpose, although it is also possible to use any cable release w i t h a 2 . 5 m m m i n i - p l u g ,s u c h a s those availablein photographic e q u i p m e n ts t o r e s . * Always check operations before actually using such cable releases. @ A.
www.orphancameras.com Matte (Standard type) Microprism M i c r o p r i s m / S p Ii t - i m a g e Grid-lines Split-image Matte (for 6x6 & 6x4.
www.orphancameras.com A . P u l l t h e r e l e a s el e v e r o n t h e base of the film winding crank assembly outwards and, at the same time, rotate the base in the c o u n t e r - c l o c k w i s ed i r e c t i o n a n d the film winding crankassembly will becomedetached. * Upon detaching the film winding crank assemblY from t h e m a i n b o d Y , P l a c et h e c o v e r , which is suPPlied with the Speed Grip G, over the exPosed bayonet mount to Protect it from dust and foreign matters. @ B.
www.orphancameras.com U -shaped ' ring Plastic ring cover A. First, insert the U-shaped ring into the neck strap eyelet, asillustrated. B. Next, place the plastic ring c o v e r o v e r t h e U - s h a p e dr i n g , a s illustrated. C. Next, thread the neck strap through the plastic ring cover ( a n d t h e U - s h a p e dr i n g ) a n d p u l l it out, asillustrated.
www.orphancameras.com 29 | Facts About the Battery Buckle D. After adjusting the length of the neck strap, pass the leading end of the strap through the b u c k l e , a s i l l u s t r a t e d ,w h i c h w i l l fix it securely. * There should be no slack in the strap between the buckle and the plastic ring cover, or in "A" section, which means that both straps rnust be of the same lengthat this point.
www.orphancameras.com 3| | 8il'",?t'8E-i'"" on Shooting 301 Pointers * The shutter cannot be cocked when film is not loaded in the film back. The use of the multiple exposure lever will, however, permit you to cock the shutter, in such instan@s.This feature is, of course, very convenient for familiarizing yourself with the camera and for testing the shutter in f lash photography. (See "Multiple Exposures" on page 27.1 * Battery power is not consumed when time (T) exposures are made.
www.orphancameras.com f rom its slit. * Always protect the lens with its cover, when carrying the camera. * Clean the camera and lens very carefully after using it outdoors in wet weather or at the seashore. * Wipe the camera carefully with a well-wrung damp cloth, using fresh water, if the exterior is effected by salty air. Then, wipe it d ry with a soft, dry c l o t h . l f n e c e s s a r y ,s e n d i t o u t f o r a q u i c k i n s p e c t i o na t a n a u thorized repairstation.
www.orphancameras.com 100mm F3.5 Zenzanon-PG oel;-tb 076 I' ?F 0.74 5.15 + 1461117 1l l 486 'f <| 56 0.790.14 1 4 4 t116 oa2ion 8 orsib?3 105 0940,830.77 11 0,950860.71013 t t +- 10 70 9 6 1 0 .8 0 .7 48 -1 -1 r -- 16 5.22 --fl + ?ir "' 1i 4,80 5.32 . L 4.t I 5.46 4.61 5.68 0e40.85 0.76i0.12 4.41 r rr-looeTpaoloao '1'. - 6,02 0.910.830.75 i071 4.29 .
www.orphancameras.com Zenzanon-PG No. of group€lement Angleof view Apertures M i n i m u m f o c u s i n gd i s t a n c e( m ) F i l t e r s i z e( m m ) O v e r a l ll e n g t h ,W e i g h t ( m m . g ) E q u i v a l e n tf o c a l l e n g t h i n 3 5 m m f o r m a t c a m e r a( m m ) Shutter @ S0mm F4.5 8 - 11 930 4.5-22 Mlhalf click) 0.5 95 25 65mm F4 7-9 69.5" 4-22 (w/halfclick) 1 0 o m mF 3 . 5 4-6 4go 3 . 5- 2 2 f u l h a l fc l i c k ) 0.6 72 0.75 7 1 . O x Q 8 7, 7 1 5 67 .
www.orphancameras.com I I tl Zenzanon-PG No. of groupelement Angle of view Apertu res M i n i m u m f o c u s i n gd i s t a n c e( m ) F i l t e r s i z e( m m ) O v e r a l l e n g t h ,W e i g h t ( m m . g 1 E q u i v a l e n tf o c a l l e n g t h i n 3 5 m m f o r m a t c a m e r a( m m ) Shutter 200mm F4.5 5-6 250mm F5.6 25.50 4.5- 32 (w/half click) 20.50 5.6- 32 (w/half click) 1.5 72 62.
www.orphancameras.
www.orphancameras.com ffff6nlceGS-11""=r=t Cb.up Cl6up h hr 00 00 G k. 1 (62trril) G M. 2 62mn{) Ck'up O€}D bs h G k. Gh m\ ra\ v/ v/ Al,tqmilc €xlsb€ I (72mnl) 202nril R MellcEilffi tb C G.S {5+ 25 Dtqt6 agfrimFttuo rc a r-J-r c b ;lf";,i3?Hf \p "[ffi**' o* o I .A ,9 @@ v6// M3uillFlffiG Hh EhqFin \ly B GS 2m (6x 7) \ltp "'ffi''*" \IP ''ffi'n" \Jp ,'uffi'''"*' \up ,'uffi''"*' \ltu mJ* s, ,''N;* *r*tn rs ffif.Hr,sf.o F@ui4kc lbktdcu @@ Ttulrcl.
