"Cian S. Perez" wrote:
>
> Hello Thomas,
>
> If you aren't already aware, the upgrade is a free
> offer from Sigma - whether your lens is under warranty
> or not. Pretty cool, huh? The upgrade will not
> affect its compatibilty with other EOS cameras. In
> other words, it'll be compatible with all models from
> the EOS7 release date and earlier (essentially all EOS
> models ever made). Their site reads "This service
> will be provided as a courtesy and will not affect the
> lens� performance with other Canon AF SLR cameras. In
> addition, a cleaning and check of all lens functions
> will also be provided at no cost to the lens� owner."
I just checked the website. Sounds good. I'll have them
upgrade my 3 Sigma lenses, maybe they'll even find out that
the AF motor on the 28-70/2.8 has some problems and fix it ;-)
This is likely the weakest AF motor ever used in a EOS
"compatible" lens. :-(
Thanks for the reply, I'll give it a try.
Thomas Bantel
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