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johnapperson

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  1. johnapperson
    I HAVE REBUILT THAT LENS AND HAVE OUTLINED THE PROCEDURE FOR REBUILDING THE HELICAL. it is really involved. if you want message me and ill give you a detailed instruction set ps there is no adjustment for the infinity on this lens,so you have to make witness marks as you go or else.
  2. johnapperson
    go toRick Olesons web-sight and down load his technotes
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