There must have been some optical changes, as I believe that one can see a
difference in the rear element. As far as I recall, the older lens has an
externally flat rear element, whilst the newer model has a convex element.
Can anyone confirm that?
Roger Key
Piers wrote:
Best I know is that the redesign involved a change in the mechanical
aspects
of the close-focus chassis. I am not aware of any optical changes.
Whether
improved mechanical reliability can be characterised as improved
performance
is a philosophical matter!
Piers
-----Original Message-----
From: olympus-owner@xxxxxxxxxx [mailto:olympus-owner@xxxxxxxxxx] On Behalf
Of Moose
Sent: 18 February 2004 03:44
To: olympus@xxxxxxxxxx
Subject: [OM] Re: Zuiko 35~105/3.5-4.5
Yeah, I've looked around, but seen nothing about what it all means.
Gary's tests showed what could be a slight edge for the earlier version,
but
really no meaningful difference within his criteria. And, of course, that's
only one sample of each.
Moose
GMcGrath@xxxxxxx wrote:
>Here's the non-HTML version:
>
>Just thought I'd remind that there was apparently a change in the lens
>at s/n 500,000. Don't know if it makes much difference in performance,
though.
>Greg
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