The rear element of the 14-54 is about 19mm.
Sorry, but I can provide no further data, bring poor and having no other DZs.
(Should we pronounce that "disease" or "dizzies"?)
Walt
--
"Anything more than 500 yards from
the car just isn't photogenic." --
Edward Weston
-------------- Original message ----------------------
From: Chuck Norcutt <chucknorcutt@xxxxxxxxxxx>
> Walt Wayman wrote:
>
> > A quick measurement with an old plastic ruler shows the rear element of the
> LWMNBN to be just about 14mm in diameter. That somehow seems appropriate, I
> suppose. There's a certain symmetry there.
> >
> > Walt
> >
> > --
> > "Anything more than 500 yards from
> > the car just isn't photogenic." --
> > Edward Weston
> >
> > -------------- Original message ----------------------
> > From: Chuck Norcutt <chucknorcutt@xxxxxxxxxxx>
> >
> >>According to Oly a telecentric lens requires a large diameter mount
> >>compared to the size of the sensor. They made a big point about the (OM
> >>size) mount on the E-1 being twice the width of the sensor.
> -----------------------------------------
>
> OK, where's the beef, Oly? I just picked up and measured my 50/1.4
> (random grab) and find that its rear element is about 30mm diameter.
> Can't be a problem of physically fitting large rear elements into the
> confines of the mount diamter.
>
> Chuck Norcutt
>
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