I know that at least the very front piece of even some of your venerated
favorites is plastic. Take a close look at your 35-70 3.5-4.5 if you have
one. The front element is held by a plastic cylinder. Don't know if any of
the other parts of that particular lens are plastic or not, but I don't
believe that most of the aperture rings I've seen are anodized. An anodic
coating doesn't generally leave that dark a hue of black. I'm sure John
will set us all straight shortly.
Jim Timpe
Fluke Customer Support Services
1420 75th Street SW
Everett, WA 98203
1.800.753.5853
-----Original Message-----
From: Jim Couch [mailto:spknsprkt@xxxxxxxxxxxxx]
Sent: Tuesday, October 10, 2000 7:39 AM
To: olympus@xxxxxxxxxxxxxxx
Subject: Re: [OM] The 40 mm f2 on ebay for last day
The aperture rings are not painted, but rather anodized, whcih is why you
can
remove the colored paint without removing the underlying black color. I
think
most of the lenses are anodized after being engraved. The 'silver nosed'
versions may not be though.
Frank van Lindert wrote:
> I own an old Zuiko of which the coloured lettering came off by itself,
> due to age and wear, but under it there was no black paint left - only
> plain aluminium.
> Since then I have always thought that the engraving of the lettering
> took place after the black paint had been applied. Am I wrong?
> It seems a bit odd that you can 'erase' the orange foot-scale with the
> black paint remaining in place, when ordinary wear takes away both
> paint layers at the same time...
>
> Frank van Lindert
> Utrecht Holland.
>
> On Mon, 09 Oct 2000 12:53:09 GMT, "Lex Jenkins"
> <lexjenkins@xxxxxxxxxxx> wrote:
>
> >Probably scraped it out with a toothpick. Might have moistened the
> >toothpick tip with acetone.
> >
> >I may try this on a 50/1.8 so people will think I'm Euro-hip.
> >-----------
> >Lex Jenkins
> >---------------------------------------------------------------------
> >2b XOR -2b ... that's the equation - Ur Amblet, 'The Very Bad Quarto'
> >=====================================================================
> >>From: "Chris O'Neill" <coneill@xxxxxxxxxxx>
> >>Date: Sun, 8 Oct 2000 08:49:38 -0600
> >>
> >>Erased??? Not that *I* would ever want to do that, I wonder how the
> >>original owner accomplished that?
> >>
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