Pro Tessars lenses for Zeiss Ikon User manual

ThePRO-TESSARS
for the CONTAFLEX
lll, lV,rapidand.super
Instructionsfor use



ZeisslkonAG.Stuttgart

PR0-TE$SARcomponentsThe CONTAFLEX lll, lV, ropid ond super comeros ore supplied with J
f 12.8-50mm ZEISSTESSARlenseswith interchongeoblefront elements.By odding o 5-elemeni wide-ongle or o 5-element portroit (telephoto)   I
component io the three remoining elements in the comero, you converl   1
the sfondord lens into                                                                 -l  PRO-TESSARf/4-35 mm wide-ongle lens
or PRO-TESSARf/4-85 mm portroil or telephoto lens.
These lenses ore colour-corrected ond every oir-to-gloss surfoce is
hord-cooled. (Anti-refleciioncooting). The PRO-TESSARSdo not collfor
on increose in exposure ond the engroved f/stops on the shutter hous-
ing equolly opply to 35,50 ond 85 mm focol length with the exception                 i
of the f/2.8 setting which connot be used with 35 ond 85 mm PRO-              I
TESSARS.                                                                                                                                                                                              --.t '
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RemoYingandmounting
frontlenscomponents
Ihe  interchongeoblecom-
ponents ore  fitted  into
sturdy boyonet mounts for
fost interchongeobilityond
occurote seoting. Fig.   I
showshow to hold theCON-
TAFLEXcomero sofely. To
removethe 50 mm front ele-
ment or PRO-TESSARfrom
the comero,pressthe sofety
cotch with your thumb in
the direction of  the lens

                          Fig. I

mount, then turn the component onti-clockwiseos for os it will go. To
insert on olternote front component into the shutter housing, ploce     l-
the red doi on the sofety cotch opposite the red dot on the lens mouni           i
- morked by the orrows in Fig. I  - now press the component in ond           l
turn clockwise, until the sofety colch engoges wiih o click. For  better
core of your lenses, be coreful not io touch ihe polished surfoces
When not in use, store the PRO-TESSARSin iheir plostic contoiners.
We recommend the speciol leother corrying cose with shoulder slrop
for field use (see poge 12).
Viewingandfocusingwith PRO-TESSARcomponents       'i
The CONTAFLEX viewfinder gives you o  correct ond  porollox-free
imoge with either the 35, 50 or 85 mm component. This is fhe greot        :
odvontoge of the single-lensreflex principle. There is no difference in      'r
focusing the 50 mm slondord lens or one of ihe PRO-TESSARS.Align           l


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the subiecl in the splii-imoge field or focus the lens on the ground-
 gloss scre_en,whichever is more convenient. Almost instonto-neously
 the rongefinder will indicote correct focus, ond you ore reody to toke
 the picture.
 Nole: The milled ring of   the pRo-TEssAR is not coupled to ihe
       rongefinder; iherefore, focus ony pRO-TESSAR*ith  thu t*o
       focusing knobs of the comefo.
DistanceanddepthoffiefdreadingswithpRO-TEssARs(Fis.2)
The 35 mm ond 85 mm PRO-TESSARShove three seis of scoles, nome-
 ly, o white ond o red footoge scole which ore combined on o com-
putor ring (3) ond o depth of  field scole on the lens mount (4). The
depth of field scole comprises on indicotor ond numbers correspond-
ing to lens openings which ore orronged on eithersideof the indicqtor.
5

Distqnce reqdings with lhe
             35mm PRO-TESSAR:Let'sos-
           sume thot the lens is focus-
             ed on o porticulo r subiecto nd
             you wish to determinethe
             comero-to-subiectdistonce.
                In Fig.2 the distoncescole
                 of the comero (2) reods 5
                feet, but you did not use the
             50 mm stondord lens for
            which this scole wos coli-
              broted.To convertthis reod-
               ing to 35 mm focql length,
               turn the milled ring (l) until
              the indicotor points to the

                F i g . 2

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white S-foot mork. In this position the red scole reods 2'7"; lhe octuol
 dislonce.
 Dislqnce reodings with the 85 mm PRo-TEssARr we ogoin ossume thot
 lhe lens is focused on the subiect. ln this instonce, the comero scole
 (2) reods 7 feet. To convert this reoding io 85 mm focor renglh, turn
 lhe milled ring (1) until ihe indicoror points to ihe white 7 foot mork.
 ln this posilion the red scole reods l8 feet octuol distonce.
 Note: By turning the milled ring (1), you do not throw ihe lens out
        of focus.
Depth of field Reodings: The depth of field is the "ronge of shorpness"
in o picture ond this "ronge of shorpness" covers o certoin qreo in
froni of ond behind the subiect. The lens musl be focused on lhe
subiect. The depth of field scole permits opproximote reodings ot o
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glonce for o cerloin distonce ond o pre'selected lens stop. You find
ihe depth of field by toking two reodingg on the red fooioge scole ot
the corresponding f/stop numbers on either side of  the indicotor.
Checkthe followingexomples:
35 mm PRO-TESSAR
   Actuol disionce:3 feet                   Pre-selectedf/stop:  f/8  Depih of field, 2' 5" to 3' 10"          1
85 mm PRO-TESSAR
   Actuol distonce:15 feet                Pre-selecledf/stop, f/8  Depth of field: 12 to 20 feet                     I
The tobfeson poges9 ond 10 give completedoto'




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Accessories
We supply on ollroclive leother corrying cose with ploslic insert which
occommodqtes the 35 mm ond 85 mm PRO-TESSARS,the 50 mm front
element, lhe lens shode for lhe 50 mm TESSARlens ond one PROXAR
close-up lens. The two boyonet mounts in the cose occept the PRO-
TESSARcomponents ond when inserting them, moke sure fhqt the red
dot on the lens mount is opposite the red dot on ihe boyonet mount
in the cosei lhen turn clockwise.The plostic insert for the 50 mm front
element, lens shode ond PROXAR lens con be purchosed seporotely.
When sliding lhis insert into lhe metol clips inside the cose, o slight
pull on the front of the cose is necessoryto provide enough cleoronce
for the locking pin. This pin securesthe insert in the front. The metol
clomp which you receive with the insert is ploced over the clip neor
the hinges of the cose. Now the insert is securely locked ot both ends.
l l

The  elostic bonds  in  the
              cover  of  the cose occept
              two 60 mm  filters withoul
                their plostic contoiners.
           Filters
            ZEISS IKON  filters ore fur-
             nished with  onti-reflection
              cooting; oll mountsore pre-
             cision-mode  for  occurote
                  fitting. There ore two com-
               plete sets of filters for PRO-
           TESSARS:In 49 mm screw-in
              nrounts for  35 mm PRO-
          TESSARond in 60 mm screw-
             F i s . 3                           t2

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on mountsfor 85 mm PRo-TESSAR.Eoch set includesthe following
 jVg9s,yellow, yellow-greenioronge,red, UV ond IKOLORA, B, F:
 with fhe step-upring over the 35 mm pRo-TESSAR,60 mm filters con
 be used for 35 mm ond 85 mm PRO-TESSARlenses.
Nole:60 mm filters do not screw into the PRO-TESSARmount,bui
      over the knurledport of the outer mount.
Lensshadefor the.8bmm PR0-TE$SAR
A- lens shode guords ogoinst stroy right-briilioncein bock-lighi exposure ond
night scenes, thereby increosing the             of your pictures. ll
olso prolects the lens surfoce from roin, snow ond oceon sproy. The
lens shode for the 85 mm PRO-TESSARscrews over the lens like o
filter, ond  it con olso be used with o ZErss lKoN  filter fitted over the
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seriol numbers: Every PRO-TESSARhos o seriol number engroved on
         its mount. lt is strongly recommendet thot o record should 6e kept of
      these numbers, which moy be of voluoble oid in estoblishing owner-
       ship in coses of loss or theft.
Fi; + -   Phologrophic odvice:  lf you wonl expert odvice osk your photo-deoler
     who will be olwoys glod to be of ossistgnce.

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                  Subiect to chonges in the interest of technicol progress.

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