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Re: [OM] Zuiko manual lens options for Sony A7

Subject: Re: [OM] Zuiko manual lens options for Sony A7
From: Frank <wijsmuller@xxxxxxxxx>
Date: Mon, 12 Aug 2019 23:05:32 +0200
Another good advice, thanks!
No substitute for this list's knowledge ;-)
The emery paper is on its way. Translated by using Amazons ASIN number ;-)

Frank


Op ma 12 aug. 2019 om 22:17 schreef Jan Steinman <Jan@xxxxxxxxxxxxxx>:

> > From: Jim Nichols <jhnichols@xxxxxxxxxxxxx>
> >
> > My advice is polish a little, clean, reassemble,
> > check, repeat.?
>
> I've done this without reassembly -- simply put the mount on the camera,
> and hold the lens tight against the mount (after cleaning it carefully, of
> course). You may be introducing subtle de-centreing aberrations, but you
> should still be able to see if you've got infinity.
>
> Going "too far" is not necessarily a bad thing, either. MOST longer lenses
> need to focus past infinity, due to thermal expansion/contraction concerns.
>
> Jan
>
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