They redesigned the asa dial because the original version (under heavy
use) had a tendency to change the asa setting when the compensation dial
was turned quickly.
I am not sure of the changes to the self timer, though it is probably
just in the cover plate.
John
Frank Wijsmuller wrote:
>
> Skip wrote:
>
> > Also, Is there any difference mechanically between the OM-4 and the OM-4T?
> > I assume that they have the same moisture/dirt seals, and that the 4T just
> > has the titanium plates and the F280 synchro-flash do-dads.
>
> Two more or less cosmetical changes:
>
> The exposure compensation/asa dial of the 4T(i) is 1 mm higher
> then the one on the 4. Last time I checked the FAQ the difference
> wasn't mentioned there. I remember reading it in a Vision Age
> article.
>
> Second the design of the self-timer switch seems to have changed.
> I'm not sure though whether that was introduced with the 4T(i).
>
> I guess John Hermanson's part lists will reveal (all) further
> differences.
>
> Frank Wijsmuller,
> Zeist, NL.
>
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