In message <1108555225.340969.301550.TakeThisOut@o13g2000cwo.googlegroups.com>,
sparkf.TakeThisOut@yahoo.it wrote:
>Hi.
>Sorry for my bad english!
>I love photograph animals and birds for hobby.
>I have Canon EOS 50e (Elan IIe), Sigma 28-70 UC and Sigma 70-300 DL
>Macro Super.
>I am satisfact of the Sigma 70-300.
>Which does teleconverter work with my optics? (Canon, Sigma, Kenko,
>....)
I would recommend the Kenko Pro 300, or Tamron SP, which are both the
same and almost as good as the Canon. You can't use the Canon one, most
likely, because it only works with Canon "L" telephotos.
Also, I don't know the lenses you are working with, but if they are not
very sharp, a TC is not going to do anything but make you lose light.
There's no free lunch with TCs; the main lens has to be sharp, and you
are going to need faster shutter speeds and wider apertures and/or
higher ISOs. Usually, direct sunlight is needed (or a strong flash).
--
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John P Sheehy <JPS.TakeThisOut@no.komm>
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>> Stay informed about: Teleconverter? 
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