Gold Crest Model PR-72 User manual

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 GOID CREST XTODET PP-72 EXPOSURE TIETER.S

 f ) The GOLD CREST PR-72 meter is o duol-purpose light meter which
   con be used for either still or movie comero, ond which occurotely
   computes reflected light.  lts  simple designs guorontee quick
    reoding, occurote exposure both indoors ond outdoors, under o wide
   ronge of light conditions.

2) To toke on exposure reoding (refer to description on poge 3 ond 4),
   proceed os follow s; -
     For Reflected light reodings                                                                                                      '
        Turn middle ring diol ( | 4 ) ond center the ASA film speed
          in window (9) or DIN window                                                  (7 ) (refer to  instruction sheef

with film used   f or film speed rotings). Point the  photo
            electric cell ( | ) towords picture subiect from comero position.
         Needle(3) will swing ond indicote. While in this  position,
          rotote outer ring ( l3 ) until  guide needle (4 )  is  directly
         over ond in line with needle(3). Now you con select the
        most suitoble combinotion of F stops(10) oppositc shutter
                                                                           E. V. numbers ore                                   fromes (l2') , or           speeds  ( | I ) , or movie
          selected opporite E.V. index(5).
                                    Ser*Ku6  . u t
3) To ossure continued proper colibrotion, the zero setting screw(15)
    is turned slightly with o screw driver to return the needle (3  )
   to rest ot zero when oll light is prevented from reoding the photo
    electric cell (l).

4l  Coution: -
      Your PR-7 2 meter is o  fine precision instrument ond should be
       hondled os such, ovoid shock ond extreme moisture especiolly,
        dropping the meter, os it moy couse o breokdown of the internol
        mechonism.
                             &.lk"s  ' L'{i5) Specificotion:-
       Mesuring ronge
           Film Sensitivity Scole,  ASA 6   to       I 2, 000
                     DIN 9   to        42
           Exposure Time Scole  t   Time I sec. to    l / l000 sec.
           Lens Aperture(F stops)  :   F stop I    to             | /32
                                                                                               :                E. V. Scole :                      EV3to              t7
         Movie Scole,          Movie 8   to       64
                                     (8, 16, 32 & 64)