For picture of the 90mm f2.5 49mm Tamron macro at infinity and closest focus
(1:2 without extension tube).
http://www.bellsouthpwp.net/l/o/lostkase/Tamron90/
Bob
----- Original Message -----
From: "Moose" <olymoose@xxxxxxxxxxxxxxx>
To: <olympus@xxxxxxxxxx>
Sent: Thursday, December 09, 2004 3:59 PM
Subject: [OM] Re: which marco flash?
> Walt Wayman wrote:
>
> >Yeah, looks like it to me, too. I've never had a 2.5, but looking at the
picture, its front end doesn't look any less fat-assed than the 2.8.
> >
> >http://www.tamron.co.jp/en/data/a2-lens/72b.html
> >
> >Makes me wonder if anybody has actually, for real, hands-on, in the real
world, attached an Olympus T8, T10 or T28 shoe directly onto one or if it's
just theory and supposition based on filter size.
> >
> Yup. The T8 and T10 mount fine with the lens focused close. However, the
> shoulder of the lens runs into the modeling light switch/socket and
> prevents focusing any further out than about 2.3 feet/0.7 m. That gives
> a repro ratio of about 1:5, hardly macro and anything closer/higher mag,
> is not a problem. The empty filter ring thing would work if you need to
> focus out further, but what are chances of that, especially with the T8?
> The T28 mounts fine and limits focus to about 5 ft. and closer. Again,
> most practical uses would be covered by that distance, which is far from
> macro.
>
> Moose.
>
>
>
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