Sigma 19 mm 2.8 EX DN

Zitat: Punkte Grenzauflösung/Kontrast: 26/33,5 Punkte Verzeichnung: 2 Punkte Vignettierung offen/+2 Blenden: 4 Punkte

Zitat: Punkte Grenzauflösung/Kontrast: 20,5/37,5 Punkte Verzeichnung: 2,5 Punkte Vignettierung offen/+2 Blenden: 4,5 Punkte

Zitat: an der Olympus OM-D E-M5: Grenzauflösung: 20,5 von 30 Punkten Kontrast: 37,5 von 60 Punkten Verzeichnung: 2,5 von 5 Punkten Vignettierung: 4,5 von 5 Punkten

Zitat: The Sigma AF 19mm f/2.8 EX DN shares a couple of characteristics with its sister lens, the Sigma AF 30mm f/2.8 EX DN, but it doesn´t reach the same level of performance. The center quality is absolutely great for sure but the outer image regions are soft at f/2.8 and reach only good levels at medium aperture settings. The pronounced lateral CAs don´t help either in terms of subjective quality perception. There´s a moderate degree of barrel distortion but this is rather typical for such wide-angle lenses. The vignetting could be a little lower but it is nowhere extreme. The bokeh (out-of-focus blur) is pretty decent except for a slightly nervous highlight rendition. The build quality of this little prime lens is surprisingly good. Thanks to an internal AF the physical length remains constant and the manual focus action feels smooth and without wobbling whatsoever. Sigma´s new linear AF motor is both speedy as well as silent. The Sigma AF 19mm f/2.8 EX DN has certainly an edge over its obvious competitor - the Sony E 16mm f/2.8 - so if you are feeling an itch for compact primes it may be a reason to go for it. Price/performance-wise it is just an average offering though.