Nov 19, 2019 · Sigma 105mm EX DG Macro - anyone know how to update the firmware and where can I get a copy of the firmware ?
The Sigma 24-60mm F2.8 EX DG Lense is one of sigma's latest professional lens creations. Although simple in design, the overall lens offers a stunning array of ...
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Jun 1, 2006 · I have some Sigma SA mount lenses and I would like to convert them to Canon EF mounts. I hear the mounts are quite similar to Canon EF. Could I ...
Personally, I've encountered auto focus problems with my Sigma AF105mm macro lens ever since I've had it. I find that sometimes AF is completely redundant in ...
The zoom ring is smooth, but too tight for my taste. And it has a non-rotating front, which is much easier to work with. It includes a flower-shaped lens hood.