As I note above, it doesn't do QSF (Except in Sony mount where that's
a property of the camera's AF system, not the  lens).

-Adam

On Sun, May 11, 2008 at 1:52 AM, John Francis <[EMAIL PROTECTED]> wrote:
>
>  Forgot that weather sealing.
>  The Tamron may well not have quick-shift focus touchup, either.
>
>
>
>
>  On Sat, May 10, 2008 at 10:36:42PM -0400, Adam Maas wrote:
>  > About $400 here in Canada ($500 vs $900)
>  >
>  > -Adam
>  > Oh, and the DA* is weather sealed & better built than the Tamron
>  >
>  > On Sat, May 10, 2008 at 10:31 PM, John Francis <[EMAIL PROTECTED]> wrote:
>  > > On Sat, May 10, 2008 at 01:43:12PM -0600, William Robb wrote:
>  > >  > http://www.amplis.com/news/news.asp?id=2&yr=08&v=&pr=040908&prNum=29
>  > >
>  > >  Ah. So how much of a premium does one pay for one extra mm at the
>  > >  wide end, SDM auto-focus, and the Pentax DA* badge? A first look
>  > >  suggests the Tamron is about 2/3 the price of the Pentax 16-50.
>  > >
>  > >
>  > >
>  > >
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>  > M. Adam Maas
>  > http://www.mawz.ca
>  > Explorations of the City Around Us.
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-- 
M. Adam Maas
http://www.mawz.ca
Explorations of the City Around Us.

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