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Re: [OM] 75-150 focus adjustment (was OM2S Fang)

Subject: Re: [OM] 75-150 focus adjustment (was OM2S Fang)
From: Mark Marr-Lyon <markml@xxxxxxxxxxxxx>
Date: Tue, 25 Jun 2002 20:23:55 -0600
Excellent!  I'll give it a go.  Thanks Clint!

Mark Marr-Lyon

clintonr@xxxxxxxxxxxxxxxx wrote:
>The front group is turned to adjust focus at infinity/tele.  Infinity/wide
>is set by loosening the screws under the zoom ring -- carefully peel off
>the grip and you'll see holes, through which you'll see one or more silver
>screw heads.  Loosen them and the frame holding the rear lens groups will
>slide back and forth.  It doesn't take much!  Then you've got to go back
>and forth, wide to tele, several times, until both are sharp at infinity.
>
>Mark Marr-Lyon wrote:
>
>> That's what I figured it should do.  Oh well, I guess I'll play around
>> with it some more when it gets annoying enough.  Any suggestions from
>> anyone on how to adjust this other than by adjusting the front group?
>> Well, it's not really a group by optical standards, since the elements
>> aren't cemented together, but I don't know the correct term for it.
>>
>> Mark Marr-Lyon

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