The infinity focus of the 100-200 would register like a sine wave as you
zoomed back. Focus ring has to go a little beyond the infinity mark
because lens will not hold infinity.
John Hermanson
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----- Original Message -----
From: <pschings@xxxxxxxx>
To: <olympus@xxxxxxxxxxxxxxx>
Cc: <Curtis.P.Hedman-1@xxxxxxxxxx>
Sent: Tuesday, August 28, 2001 9:05 AM
Subject: Re: [OM] S Zuiko 100~200 f/5 Question
|
| On Mon, 27 Aug 2001 15:03:42 -0500 "Curtis P. Hedman"
| <Curtis.P.Hedman-1@xxxxxxxxxx> writes:
| > I have a new (to me) S Zuiko 100~200 f/5 zoom, and I would like to poll
| the
| > List experts on something I noticed about the lens: the helicoid focus
| > mount stop is a fair amount beyond the infinity mark on the lens
| barrel.
| > When using the lens, I find that the infinity (or at least long range)
| > focus point is about where the infinity mark is on the barrel - i.e.
| the
| > lens can focus 'beyond infinity' [or to quote Buzz Lightyear in "Toy
| > Story", "To Infintiy and Beyond"! Does anyone know if this is typical
| of
| > the 100~200? Or perhaps of the S Zuiko series
|
| I don't think this is typical. My 100-200/5 doesn't do this. Is the
| focussing action smooth and even? If so I wouldn't worry too much.
|
| Hope this helps,
|
| Paul Schings
|
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