Reviews written by Mar_bo

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Mar_bo
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Reviews of cameras, lenses, tripods, heads and other accessories written by Mar_bo

The following opinions have been automatically translated with Microsoft Translator.

Sigma AF 18-50mm f/2.8 EX DC Macro

Pros: robust, good quality if prepunched (f 8-11), the overall yield acceptable to f2.8.

Cons: distortion "barrel" very obvious focal length 18, is corrected only in PP, there is the possibility to correct the focus manually while in AF, (the ring is locked), AF slow (non-USM).

Opinion: I have this light for 6 years and use it regularly, is solid and robust as Sigma has accustomed us. Good overall performance for sharpness at f2.8 at all focal lengths, even the good macro. Unfortunately, at least my copy, has back focus problems with my 30D, Canon unsolved problem from assistance that does not even come into the lab Canon lenses do not, I'll keep that. Aberration decided to "barrel" to the focal length 18, which decreases as you go up the focal impractical for photos of architecture and interiors, autofocus is not fast and noisy, due to the fact that it is not USM.rnSostanzialmente good alternative to the kit plasticone , at least it was in production until, well as a handyman and reportage, good for portraiture.

sent on April 24, 2013