WALZ EV-LV light meter User manual

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           The Wolz "EV-LV" Exposure Meter  is
          o precision photo-electric meter which
             provides o direct reoding of the EV
            (Eiposure Volue) or LV (t-igf't Volue)
           number on comeros with EV or LV
            settings. The full outomotion &
              simplicity of these comeros con be
                                     f ully enioyed only w hen ,used in
            connection with the Wolz "EV-LV"
              Meter.




         EV Number ond LV Numbers ore ex-
              octly the some. The "EV" nomenclo-
             ture hos been odopted by the A.S.A.
              (Americo n Sto n do rds Associotion) os
         the stondord "Exposure Volue"
          System. The "LV" nomencloture  is
           used on most foreign comeros for o
             stondord "Light Volue" System. Both
            system ore indenticol.

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    Set film speed

   Turn the knob on the side to the ASA Ex-
    posure Index Number (Film Speed) for the film
   you ore using. The Exposure lndex Number
     is given in the film instruction sheet ros well os
    in the Film Speed Chort in this folder.





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                            subiect   2   Point meter ot
                   downword slightly.
           Point the meter ot your subiect motter down-
        word slightly to ovoid excessive overheod sky-
            light et                                              -ding.
           en possible it is desiroble to hold thefeter     r"
          obout five inches from your subiect motter-or
           os closely os possible without costing o shodow.
          Alwoys ovoid costing o shodow on the subiect
          motter. When the subiect motter connot be
          opprooched  it  is often desiroble to ploce the
           polm of your hond obout five inches in front of
            the ahoto-cell window in such o woy os to
                   refl ect      e light os thot folling on the
                su b iect.



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                          Number  3 Set Comero to "EV-LV"
                          ind icoted by need le.
      The needle will immediotely directly indicote
       the exoct "EV-LV" Number to use. Set the
       shutter on your comero to this number ond
      you will hove o perfect exposure. After you
      hove set this number on your comero, you eon
      move the interlocked or cross-coupled shutter
        diol on your comero to ochieve ony combino-
       tion of f:st6ps ond shutter speeds desi
       without chonging the bosic exposure eyz{tded
     by the "EV-LV" number.



                                                                                  DN:org,Date:cn=Mikeemail=mike@butkus.org,2022.07.23signedButkus,by20:48:38Mikeo=ButkusButkus-04'00'c=UScamera manuals, ou=butkus.       Mike Butkus         Digitally





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                  EV-LV NUMBERS
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      8 e  I lo: I ll l2l l3i ral rsr re
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  ln the event you wish to use your EV-LV meter
  with films speeds not on the diol-you con
  convert the "EV" number reoding on your meter
  to other film speeds by using the obove chort.
  For exomple: Set Meter to ASA 100, if needle
  reods EV-I2 ond you wish to convert to ASA
 400 Film; refer to the chort you con determine
  thot EV-14 should be used with ASA 400 film.