This is the single most valuable lens I own! Bar None! "I started drooling over bigger and faster zooms" But……… The Sigma 50mm f2.8 Macro lens will make you a better photographer if you will let it.

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.

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.

Great lens! I use this on my Pentax K-50. It's not a 50mm as the review headline says though while writing this, it's a 70mm. It takes wonderful macro images and I use it quite frequently for that. My images can be seen here: alittleplaceontheweb.com if you would like to see examples.

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

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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I bought the lens for yourself. The lens is in exсellent condition. Auto focus works flawlessly. Pictures in the "macro" get great. I tried to do the usual shooting, the result was normal, but such surveys would recommend using a long-focus lenses and do not forget that lens is "macro".

Once you put the lens head on it doesn't come off. So you are stuck with your lens hood for good. This lens produces nice macro photos. But because it's 50mm lens, you have to really get closer to the subject.

I use this lens mainly for portraits and for macro photograpy. I always achieve perfect focus on both manual and auto. So far ,I have discovered no cons to this lens. Superb.

Lightweight; Strong Construction

I purchased this lens based on reviews I had seen on other web sites and I do not regret it. The lens focuses quickly in AF mode and in manual focus, it focuses as smooth as an AF lens I've used does.