I think you've got that back asswards... The lit on my Tamron (AF) 2x TC
says, "The maximum aperture of your master lens should be F4.0 OR FASTER to
maintain autofocus capability...."
Skip
-- Original Message -----
From: "Collin Brendemuehl" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Thursday, February 01, 2001 8:00 AM
Subject: Re: xxxxxxx + 1.7AF adaptor
>
> You generally don't want to use a TC with a lens
> faster than 2.8 or 4. Bad for the corners. :(
>
> Collin
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