Sigma 20mm F1.4 DG HSM

size

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Design, Größe, Zuverlässigkeit

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Sharp from edge to edge. Minimal distortion. Short minimum focus distance. Available for multiple systems.

Heavy. Dim corners and edges. No support for filters.

Conclusions Wide-angle lenses are often on the large side, and it's rare that you see one with an f/1.4 aperture. But the Sigma 20mm F1.4 DG HSM Art is a special lens indeed. Not only does it capture a lot of light, it also manages to focus close,...

The full frame SIGMA 20mm f/1.4 lens was designed to bring out the full potential of high megapixel DSLRs. It incorporates two FLD (“F” Low Dispersion) glass elements and five SLD (Special Low Dispersion) glass elements (15 elements in 11 groups). The...

The Sigma 20mm F1.4 DG HSM is a very fast, tack-sharp prime lens in Sigma's excellent Art series, and also a unique lens to boot, as it's the only 20mm lens in the World to offer an f/1.4 aperture. It does exhibit some chromatic aberrations at the...

Very good performance across high-resolution full-frame sensor even wide open ; Good build quality ; Flare/glare resistance ; Relatively low longitudinal CA and coma ; Quiet and fast AF operation

AF occasionally missed its target on D810 test body ; No standard filter-thread ; No weather sealing

The Sigma 20mm f1.4 DG HSM Art is a one-of-a-kind lens: It simply is the widest full-frame f1.4 lens around and it also delivers very good image quality. As such the new Sigma is a very compelling addition to the catalogue of large aperture wide-angle...

Superb optical quality ; Well made ; High control of CA ; Excellent handling ; Excellent AF performance

Price penalty for f/1.4 aperture ; Heavy and bulky ; Not weather resistant

The Sigma 20mm f/1.4 Art Lens is most definitely a fine example of the lens makers' art. It performs superbly, it focuses close, it is free from flare and controls CA in a remarkable way. The price is high, but its position seems, at least for the...

unique parameters ; solid and stylish casing ; brilliant image quality in the frame centre ; excellent resolution on the edge of the APS-C/DX ; acceptable image quality on the edge of full frame ; slight lateral chromatic aberration ; sensible...

noticeable coma ; very high vignetting on full frame ; work against bright light could have been better

Auflösung im Zentrum ; Fokus-Scala

Abfall der Auflösung in den Ecken ; Starke Verzeichnung ; Scharfstellung des Autofokus

Fazit: Das Objektiv Sigma 20mm F1,4 DG HSM (A) zeigt im Test seine Stärken in der Auflösung und in der Ausstattung. Defizite hat die 20mm Festbrennweite in der Vignettierung und Verzeichnung. Außerdem kann der Autofokus nicht überzeugen. Insgesamt...