Over 200,000. Easy to forget but the esif has tremendous amount of
stored knowledge. In this case, look up the 1.4X teleconverter.
The earlier zuiko 180/2.8 has a light baffle that slightly interferes
with the protruding element of the 1.4x teleconverter when the lens is
focused at infinity. You might get away with mounting the 1.4x on it,
but the baffle will rub against the sides of the teleconverter element
and a faint ring mark will be left on the baffle (don't ask how I know
that).
-jeff
----- Original Message -----
From: "R. Jackson" <jackson.robert.r@xxxxxxxxxxx>
> Pardon my ignorance, but what is the "proper serial number 180/2.8"?
>
> On Sunday, August 10, 2003, at 10:00 PM, Fernando Gonzalez Gentile
> wrote:
>
> > the most practical combination could be the proper serial number
> > 180/2.8 + 1.4XA.
>
>
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