The most recent (II) version  of the Sigma adds HSM in Sony and Pentax
mounts, the previous version was HSM only in Nikon, Canon, and SA
mounts.

-Adam

On Tue, Jan 20, 2009 at 7:34 PM, Cory Waters <[email protected]> wrote:
> The K mount Tamron is apparently shipping now..
> And Patrick, I believe the sigma lens does NOT use the HSM in K mount form,
> unlike the Cannon and Nikon mounts.
>
> Cory
>
> Adam Maas wrote:
>>
>> The Tamron's quite rare at this point (I don't know if it's even
>> shipped in K mount form yet). The Sigma's known to be a good performer
>> though.
>>
>> -Adam
>>
>> On Tue, Jan 20, 2009 at 8:06 AM, Patrick Genovese
>> <[email protected]> wrote:
>>
>>>
>>> Ping.... Any takers ?
>>>
>>> Regards
>>>
>>> Patrick Genovese
>>>
>>>
>>>
>>>
>>>
>>> On Mon, Jan 19, 2009 at 1:15 PM, Patrick Genovese
>>> <[email protected]> wrote:
>>>
>>>>
>>>> Has anyone had the opportunity to work with and or compare the
>>>>
>>>> Sigma 70-200 f/2.8 II HSM and the Tamron 70-200 f/2.8.
>>>>
>>>> I'm thinking of getting one of them but i'm finding it hard to make a
>>>> decision based on the info I can find on-line.
>>>>
>>>> It looks like the tamron is a bit better optically especially at the
>>>> 200mm but the sigma seems to enjoy some advantages in respect of
>>>> faster AF, better handling and overall build quality.
>>>>
>>>>
>>>>
>>>> Regards
>>>>
>>>> Patrick Genovese
>>>>
>>>>
>>>
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>>
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>
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-- 
M. Adam Maas
http://www.mawz.ca
Explorations of the City Around Us.

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