Has anyone found any information on the coast and availability of this new Sigma lens. Mind you, it's the "OS" version. See...

Hi Anyone using this lenses? Good, bad??? I didn't find much reviews for it. thnx

Some sample images he http://lcap.tistory.com/entry/Sigma-ART-18-35mm-f18-Preview An interesting lens for Dx users, and the samples look pretty good. (OK -...

Hi- Does anyone have any experience with the Sigma 18-50 mm f/3.5-5.6 DC? I'll be using it with Canon 10D. I'm more interested in bang for the buck, than...

All, Anybody have this lens? Seems to be a very good deal for $499 and the extra length makes it more useful for "general" shooting when compared to the 16-35...

Just found out that Sigma has started putting HSM in their least costly normal zoom for Nikon,...

Sigma makes a constant aperture 18-50/2.8 in Canon's EF-S mount. 28-70 seems to be a popular zoom category for film; this would give a similar field of view...

Anyone have any experience with this lens? Good/bad/ugly? Thanks in advance. -- Ben Rosengart (212) 741-4400...

I just bought Sigma's 24-70 mm, f/2.8 EX DG lens for my Pentax *ist D. I intended for it to replace my 28-80, f/3.5-5.6 Pentax lens for basketball. However,...

Hi Guys, First of all I am very new to this forum as well as photography. I just bought a Canon 350D (Body only...bought it online) after plenty on research...

Does anyone know if there are specific converters for certain lenses, other than a Sigma with a Sigma. I am looking for one for my 70-300???

Anyone have this lens? Opinions? I have an Olympus system and am considering getting it. Thanks

I have an Oly DSLR (currently the E300 model) and I have read that Sigma is going to be releasing the 30mm F1.4 in a 4/3 mount and am seriously considering...

Does anyone have an informed opinion on the Sigma 50-150mm f/2.8 lens? You rarely see an f/2.8 lens that long at an affordable price. The Sigma site calls it...

Anyone with real experience using this lens? General tirades about Sigma are beside the point. The size and weight suggest this would be a convenient travel...

Hi All Has anybody got any constructive comments / criticisms about this combination please. my wife is doing quite a bit of motorsport photography especially...

Hi guys, I'm thinking about purchasing a lens to replace my Sigma 18-200mm f35.-5.6 DC, which although a pretty capable lens, I've found it's very soft at the...

Hi guys, I am looking for some information on the Sigma 70-210 2.8 lens. Is it compatible with EOS digital bodies? Also looking for any other info like reviews...

I am new to DSLR photography and my wife just purchase me a Sigma 70-300 APO Macro lens for my birthday, unforuately it arrived without any paperwork. My...

I am getting a Sigma 70-300mm f/4-5.6 DL Macro Super II. Wondering if anyone's using a teleconverter on it with satisfactory results? Now, I know that this is...