BERTRAM Chronos User manual

OPENINGTHE METER       CONTENTS
      I Openingthe meter                                                         l;, .':',:
                                                                                               t:ri.,
     ll Film speeds

     l l l M o k i n gl i g h t
   meosurements
  lV Aperturesond shutter
                                   '&*'"    speeds

  V Recdingintermediqte
    V O I UE S                When buttonA is pressed the protective
 Vl Movie exposures          cover ond the two shutterswhich enclose
 Vll Film comporisontobles     the  light chomber outomoticollYoPen,
Vlll Generolinstructions       thus permittingthe photo electric cell to

                                                            f unction.

II FIIM SPEEDS                                 III MAKINGLIGHTMEASUREMENTS

            Movable                                                           lisht value





  T urnmo v ob led io l C, u n t ilthe film expo-
s u r e i nd e x nu mb e ro f  t h e f il m to be used,
o p pe o rs i n  t h e o p e n in g .The diol should
holt 0t the proper click-stop.                  Pointthe CHRONOStoword the subject.
                                     The ongle of view is 50 degrees.To inter-
                                              pret the light volue E os indicotedby the
                                             pointer,tur n d i o l B u n t i l t h e  l i g h t v o l u e E
                                       oppeors in the opening C directly over 6sE@@aASA'9     i;:ff:lJl:,il  4f                index svstem ASA       the film exposure index number D. Now
                                          opertures ond shutterspeedscon be reod.
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