Op vr 13 jan. 2023 om 15:42 schreef Wayne Shumaker
>
> As for the FTL OM M42 lens, most all my m42 lenses have the Auto pin and
> it has never been a problem with the adapters.
>
Olympus (of course) used their own system for the FTL, with a fixed pin in
a different location:
<
https://olypedia.de/images/thumb/7/71/Legend_biofos.jpg/400px-Legend_biofos.jpg
>
Since it is fixed on the diaphragm ring, using a m42 adapter with a thicker
ring (surface) doesn't work: the lens can't screw in completely and the
diaphragm ring is stuck.
> I'm curious if the G. Zuiko FTL lens is the same as the OM mount early G.
> Zuiko lens.
>
I will test that later, with the 50/1.8, 135/3.5 and 200/4
Frank
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