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RE: [OM] Ext tube for Tamron 90mm/2.5 SP

Subject: RE: [OM] Ext tube for Tamron 90mm/2.5 SP
From: "Brian P. Huber" <bphuber@xxxxxxxxxx>
Date: Thu, 10 Jun 1999 16:05:46 -0400
Chip,
Unless the Tamron extension tube is like the Vivitar Series 1 90 2.5 macro
(Tokina) and has an element in it, there would be no advantage to either
style of tube.  If no optics exist, there would be no optical advantage
Brian P. Huber
bphuber@xxxxxxxxxx
Troy, OH


-----Original Message-----
From:   owner-olympus@xxxxxxxxxxxxxxx [mailto:owner-olympus@xxxxxxxxxxxxxxx]
On Behalf Of Chip Stratton
Sent:   Tuesday, June 08, 1999 7:19 PM
To:     olympus@xxxxxxxxxxxxxxx
Subject:        [OM] Ext tube for Tamron 90mm/2.5 SP

Is there a specific advantage to using the Tamron extension tube with their
90mm/2.5 SP instead of say an Olympus auto tube?

Thanks
Chip Stratton



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