To clarify, I've owned two Tokina's (a 80-200 2.8 in Minolta MD mount and
the early 20-35 Canon AF), one Tokina/Vivitar (the 100mm macro) as well as
the Tamron 28-105 2.8 in the EOS mount. The only Sigma AF lens I've owned
was a Quantaray 28-80 that once came with an EOS 650 body I purchased, and I
never shot a single frame with it, so my opinion about Sigma AF is based on
results I've seen, not lenses I've used. I did, however, use a Sigma 35-135
manual focus lens for a number of years.
Of the five I've owned and used, the Tokina 20-35 was the best, then the
100mm, then the 35-135 Sigma, followed by the Tamron, and the 80-200 Tokina
was the least sharp. And there are a number of Sigma lenses that come to
mind with very good recommendations, like the 50 and 90mm macro and the
newer HSM models. The only one of these I still own is the 100mm Vivitar. In
fact, it is probably safe to say that my disappointment with the 28-105
Tamron clouds my judgement of Tamron in general; who can be objective about
their own opinion?
I've looked at the online ratings, and I think they support my comments,
which were "in general". There are certainly outstanding individual lenses
from each of the three, and the Tamron 20-40 may very well be one of those;
I've never used it nor seen any results from it so I cannot say.
But your comments begs the question "do you own the Tamron?".
Tom P.
----- Original Message -----
From: "Kotsinadelis, Peter (Peter)" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Monday, April 02, 2001 12:30 PM
Subject: RE: EOS Tamron 20-40/Elan 7?
> Tom Pfeiffer wrote:
>
> It would certainly be safe to say that of the three (Sigma\Quantaray,
> Tokina\Vivitar\Cosina\Phoenix and Tamron) that Tamron is the only one
paying
> Canon licensing fees to insure they remain compatible. But my opinion is
> that in general, the other two make better lenses. Not always, not every
> lens, but generally.
>
> Tom P.
> ______________________________________________________________________
>
> Tom,
>
> We are discussing a Tamron SP lens wich is superb.
> It may be your Opinion that Sigma and Tokina may make better
> consumer lenses than the others, but I would bet you own
> Sigma and Tokina and have not tried a Tamron.
> People always love to justify what they own.
>
> Peter K
> *
>
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