Hmmm ... I thought that was mostly to make up for variations in T-mount
adapters. The Vivitar Series 1 adaptors are surprisingly accurate, maybe
the manufacturers did a better job standardizing than I thought.
-jeff
----- Original Message -----
From: "Jim Brokaw" <jbrokaw@xxxxxxxxxxx>
To: <olympus@xxxxxxxxxxxxxxx>
Sent: Friday, May 30, 2003 9:58 PM
Subject: Re: [OM] Focusing Screens
> Some mirror lenses turn past 'infinity' to allow for temperature
changes in
> focusing performance.
> --
>
> Jim Brokaw
> OM-'s of all sorts, and no OM-oney...
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