This is an absolutely stunner of a lens, the image quality is superb and pin sharp, the focal range allows fantastic bokeh especially for portraits and macro photography, if your looking for a good portrait lens and dont want to pay a fortune then your search stops here, check out some pictures om...

This 50mm lens by Sigma does exactly what it says. I have taken many close up shots with it and the image quality is outstanding.

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The picture quality, especially the macro is simply AWESOME! See for yourself :-) https://plus.google.com/u/0/photos/108728270996253120217/albums/posts/6098445883769623970?

Sigma's 50mm f/2.8 EX DG Macro lens offers a basic introduction to macro photography, with none of the bells and whistles such as silent focusing or image stabilisation, at a budget price point of around ￡255.

A full Sigma 50mm f/2.8 EX DG Macro Lens review is not available, but please find the standardized test results available for your own evaluation. Positioned above from left to right in their fully retracted positions are the following lenses: Sigma 50mm f/2.8 EX DG Macro Lens Sigma 105mm f/2.8 EX...

As a macro lens that works on my full frame Sony a900, this is a good lens at a good price. Just be aware that the focus motor is quite loud (I was trying to use it in a public library) and as noted in the review, there is quite a bit of CA.

small; light; sharp focus

noisy AF; the CA is as bad as tested

Sigma's 50mm f/2.8 EX DG Macro is a third-party lens available in five different fits – Canon, Nikon, Sigma, Sony and Pentax. The construction of the Sigma 50mm f/2.8 EX DG Macro features 10 glass elements in 9 groups and when coupled to a D-SLR with a 1.5x crop factor, it has a film-equivalent...

This Sigma Macro 50mm F2.8 EX DG is a standard macro lens that is ideal for shooting the "small world' around us that exists virtually unseen. A macro lens is one which will focus on a subject close enough to render it "life-size" on the image plane in your camera.

The optical construction is made of 10 elements in 9 groups without any special elements. The aperture mechanism has 7 aperture blades. Typical for most true macro lenses the lens features a floating system which corrects aberrations down to the max. magnification of 1:1 at a min.