The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 50mm F1.4 DG DN Art and the Sigma 14mm F1.8 DG HSM Art for their suitability to various photography scenarios:
Size and Weight Comparison
The size of a lens is a crucial factor to consider when comparing two lenses. Sigma 14mm F1.8 DG HSM Art is the longer of the two lenses at 126mm. The Sigma 50mm F1.4 DG DN Art with a length of 110mm, is 16mm shorter. Besides being longer, the Sigma 14mm F1.8 DG HSM Art also has a larger diameter of 95mm compared to the Sigma 50mm F1.4 DG DN Art's 78mm diameter.
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Below you can find a scaled side-by-side image of Sigma 50mm F1.4 DG DN Art and Sigma 14mm F1.8 DG HSM Art to get a better idea of how their sizes compare in real life.
The weight of a lens is equally significant as its external dimensions, particularly if you intend to handhold your camera and lens combination for extended periods. Sigma 50mm F1.4 DG DN Art weighs 669g, which means it is 501g (42%) lighter than the Sigma 14mm F1.8 DG HSM Art which has a weight of 1170g.
Lens Mounts
Both the Sigma 50mm F1.4 DG DN Art and the Sigma 14mm F1.8 DG HSM Art has the same Leica L lens mount. Some of the latest released cameras that are compatible with the Leica L lenses are Leica SL3, Panasonic S5 II and Panasonic S5 II X.
Sigma 50mm F1.4 DG DN Art is also available in Sony E mount.
Focal Range
Sigma 50mm F1.4 DG DN Art is a prime lens with fixed focal lenght of 50mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
75mm.
On the other hand, the Sigma 14mm F1.8 DG HSM Art is a prime lens with fixed focal lenght of 14mm.