Photrix B User manual

fNrRoDUcrNG rHE pltctt;"                            tt
Your Photrix B come'o is o precision 35 MM comero mode to
give you yeors of excellent service. lts occurolely colibroied
rongefinder is coupled to the lens for perfect piclure toking  -
oufomoticolly shows you when the picfure is correctly focused. J
It is convenient to use ond will produce top quolity pictures.
Before using the comero, we suggest thot you become thoroughly
fomilior with its mony feoiures.
Toke time to reod the following instrucf ions corefully. Once fhe
vqrious operotions of the comero become outomotic, you will
receive fullest enioyment from its use.

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        LOADIl{G THE CAMERA
     Your Photrix B comero uses stondord 20 or 36 exposure 35 MArt
     block ond withe or color film. To open the comero, pull out
-J   the rewind knob (71 to its limit ond turn left os indicoted by
      the orrow, until bock of comero opens ond con be eosily remo.
     ved. lnsert film cortridge well beneoth rewind knob, so it'en-
IItt    goges the prongs of the knob. The empty spool ot the winding     knob end of the comero is the toke-up spool on which the film
       is wound. Turrr winding-knob  (1) in direction of orrow until srot
     of the toke-up spool is toword you. tf the winder will not turn,
      press shutter releose button (2). This releoses the double expo-
      s.rre prevention device ond permils you to turn the winder.
    Drow film ocross bock of comero ond insert in slot. Turn winding
     knob in direction of orrow until film perforotions ore engoged
     with sprockets. Reploce comero bock. (Use slight pressure ond
        it clicks in locked position). Turn film winding knob in direction
    of orrow unlil it sfops. Then press shuiler releose button (2)
    ond lurn film winding knob ogoin until it stops. Repeot once
     ogoin - the film is now in position to shoot your fir1t p,icture.
                               Ut4'rt
        FILM COUNTER DIAL
     Set red dot ot "O" on film counter diol (3). By winding the film
     ofter eoch exposure, the film counter is outomoticolly odvonced
   ond the diol indicotes the number of exposures which hove
    been token.

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     In generol you shourd use fost shutfer speeds ond rorge f/stops
     to stop oction, whire socrificing depth of fierd. When depth  is
     importbnt, use slow shutter speeds (plus o fripod ot r/g; ondt    slower ond smoil f/stops).
    "8" is the setting for long exposu!.es. Tte shutter stoys open os
    long os releose (2) is held down. For o long exposure  seiting,
     ihe comero should be mounted on o tripod ond q coble releose
    should be used to minimize comero movement.
    consult the exposure informotion incruded wirh your firm. This
     is o dependoble guide for correctly exposed pictures.

  THE RAN GEFIT{ DER - VTEWFIN DER
   Your Photrix rongefinder ond viewfinder ore combined in o
    single viewing window for convenience. The coupred rongefinder
     is o superimposed imoge type. As you look through  it you see,
    in the center, o right squore oreo contoining o doubre imoge.
   Focus on verticol obiects, whenever possibre. Focus the rens by
   turning fhe focusing ring (r2) unti.r fhe doubre imoges coincide
   ond the cqmero is in focus. rf you hove difficurty seeing the
   double imoge, look through the viewfinder ond cover the smoil
   window mith your finger. continue rooking through viewfinder
  ond uno-'ver the window. The righter oreo contoining the doubre
   imoge wilt now be more distinct.

DEPTH OF FOCUS SCALE
The depth of focus scole (8) indicotes the neor ond for limits
of oreo of shorp focus for ony combinotion of shutter o-pening
ond subiect dislonce. This oreo is known os the depth of focus.
The depth of focus scole hos two sets of lens opening numbers,
one set on eoch side of the red focusing self pointer. These
numbers indicote on the focusing scole (11) the neor ond for
limits of shorp focus. You will notice thot os lens opening  is
decreosed ond os sublect dislonce is increosed, the deplh of
focus increoses-
FOR EXAMPLE:
lf you ore using o t-_ll  lens opening ond the comero is focused
on o subiect ot 9 feet, reod the distonces opposite the t:ll
numbers on both sides of the focusing scole pointer. These distcn-
ces, Z feel ond l4 feet, indicote the neor ond for distonc:s of
shorp focus.  lf you ore using o f-   l6 lens opening ond lhe
comero is focused on o subiect ot '15 feet, reod the distonces
7 feel ond infiriity opposite the f      numbers on both sides of                       -16fhe focusing scole pointer. These distonces ogoin show the neor
ond for limits of focus for this porticulor combinotion of lens
opening ond subiect distonce. \
     DOUBLE EXPOSURE
Your Photrix B comero hos o double exposure prevenfion
which prevents you from toking qnother picture uniil you hove

7

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wound the film to the next frome - thot is, you connot press the
shutter releose knob until you hove turned the film winder knob.
This prevents occidentol double exposures. However,  if you wont
to moke on intentionol double exposure for o trick shot, or, if
o flosh bulb foils to operoie, push in them releose for double
exposure (5) ond keep depressed while turning the winding knob.
Your comero will now moke o double exposure.
   PRONTOR - SVS SHUTTER
The Photrix B hos the new, convenient Prontor - SVS shutler.
It is simple in use, wholly relioble in operolion ond is designed
to function effectively with electronic flash cnd oll types of flosh
lomps, using ony desired shutter speed. lt olso hos o built-in
self timer, so you con loke your own picture. Choice of method
of exposure is exclusively controlled be the Synchro Switch lever
(15), the poinler cf witch contrcls fhe three settings, M, X or V.
TO TAKE FLASH SHOTS:                                                                                                                                                                                                                                                                       I
l. When using w;re-filled lomps (colled closs M), like Genercl               I
Electrit No. 5, 6, 11 or 22; or Sylvonio Press 40, Nr.8 or 25,                    I
select correct shutter speed, ond set the Synchro Switch lever (15)                                  |
on lhe M setting.
When using gos-filled bulbs (colled Closs F), like Generol
Electric's SM or Sylvonio's SF; set shutter speeds of 1/roo or slower
ond set the Synchro Switch lever (15) on she X-setting.
When using zero-deloy electronic flosh, use ony shutter speed,
ond set the Synchro Switch lever (15f on the X-setling.