John,
Which elements in the 75-150 have the tendency to seperate. I have an
original, bought-new-by-me 75-150 zoom that I bought about 30 years ago. So
far so good, but I'd like to know what to look for.
Charlie
On Wed, Nov 11, 2009 at 2:47 PM, John Hermanson <omtech1@xxxxxxxxxxx> wrote:
> A lot of 75-150 have a separated element. 65-200 / 50-250 have frosted
> element in the back. One of the lenses in the Olympus collection was a
> 65-200, oh cool, perfect on the outside, DOH frosted element.
> ___________________________________
> John Hermanson | CPS, Inc.
> 21 South Ln., Huntington NY 11743
> 631-424-2121 | www.zuiko.com
> Olympus OM Service since 1977
> Gallery: www.zuiko.com/album/index.html
>
>
> Wayne Harridge wrote:
> >
> >
> >
> >> Chuck Norcutt <chucknorcutt@xxxxxxxxxxxxxxxx> wrote:
> >>
> >> Just wait a while. More old age will be automatically applied.
> >> However, it might not help to repair the situation.
> >>
> >
> > I don't think it would be just a case of "old age", I've got a number
> > of lenses built well before any zuiko 250/2 which aren't showing
> > separation. Something like extreme heating/cooling may have caused
> > the problem, so continuing with similar treatment may actually cause
> > the elements to separate completely.
> >
> > ...Wayne
> >
> > Wayne Harridge
> >
> > http://lrh.structuregraphs.com
> --
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