Okay, the basketball game is getting out of hand, and the one I really want to
watch doesn't start for another 20 minutes, so...
There's definitely metal underneath the rubber coating. If you're curious and
want to see for yourself, you can unscrew it, but be careful if you do: it's
what holds the rear elements in place. Good to know if you ever feel the need
to take it apart to clean inside, though I can't imagine how anything could get
in there.
Walt
--
"Anything more than 500 yards from
the car just isn't photogenic." --
Edward Weston
-------------- Original message ----------------------
From: "Jeff Keller" <jrk_om@xxxxxxxxxxx>
>
> My 1.4x seems to have a rubber like coating around the edge of the front
> element. There might be metal underneath it, but I don't see any signs of
> it. It also has a teeny-weensy, itsy-bitsy, chip on the edge of it. I know
> neither when nor how the chip got there and it probably doesn't make any
> significant difference. My 180/2.8 ser no 100177 also has faint marks on the
> baffle - I do know when they got there. Judging by the marks, the glass
> element probably just touches the baffle while the material around the
> element leaves the marks on it. YMMV
>
> Probably the 1.4X can be used with the less than 200,000 serial no. 180/2.8
> most of the time. However I suspect the tiny interference may cause someone
> some grief.
>
> -jeff
>
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