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[OM] 75-150mm and infinity focus

Subject: [OM] 75-150mm and infinity focus
From: Pawel Golik <pgolik@xxxxxxxxxxxxx>
Date: Fri, 26 Jan 2001 14:59:24 -0500
This may be a FAQ, but I hope somebody here could help me. I have a Zuiko 75-150mm f/4 that wouldn't focus at infinity. It works fine at shorter distances, yet for distant objects, even with the focusing ring turned all the way to infinity it is still out of focus (I can get acceptable pictures if I stop down the lens to f/16 at that point, but the split finder (2-13) shows clearly that it is out of focus). I recall from previous postings that there are three sets of screws to adjust: under the zooming ring, under the focusing ring and around the front element (under the built-in hood). Which ones should I adjust to get it right? I guess the ones under the zoom ring are to be used in case the focus creeps with the zoom change (which is not the case). Can I get away by just adjusting the front element screws (and if not, how to glue the focusing ring back -I'd have to cut it, right?).
        Thanks in advance
        Pawel

--
Pawel Golik, Ph.D.
Center for Molecular Medicine, Emory University
1462 Clifton Road, suite 405
Atlanta GA 30322


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