The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 15mm f1.4 DG DN Art and the Sigma 14mm F1.8 DG HSM 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 15mm f1.4 DG DN Art is the longer of the two lenses at 160mm. The Sigma 14mm F1.8 DG HSM with a length of 126mm, is 34mm shorter. Besides being longer, the Sigma 15mm f1.4 DG DN Art also has a larger diameter of 104mm compared to the Sigma 14mm F1.8 DG HSM's 95mm diameter.
Below you can find a scaled side-by-side image of Sigma 15mm f1.4 DG DN Art and Sigma 14mm F1.8 DG HSM to get a better idea of how their sizes compare in real life.
Comparison image of the Sigma 15mm f1.4 DG DN Art and the Sigma 14mm F1.8 DG HSM Size and Weight 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 14mm F1.8 DG HSM weighs 1170g, 13% (190g) lighter than the Sigma 15mm f1.4 DG DN Art's weight of 1360g.
Lens Mounts
The Sigma 15mm f1.4 DG DN Art has the Sony E lens mount whereas the Sigma 14mm F1.8 DG HSM has the Sigma SA lens mount . Some of the latest released cameras that are compatible with these mounts are Sony FX5 , Sony A7R VI and Sony A7 V for the Sony E Mount and Sigma Quattro , Sigma Quattro H and Sigma SD1 Merrill for the Sigma SA Mount.
Sigma 15mm f1.4 DG DN Art is also available in the Leica L mount.
Sigma 14mm F1.8 DG HSM is also available in Nikon F (FX) and Canon EF mounts.
Focal Range
Sigma 15mm f1.4 DG DN Art is a prime lens with fixed focal lenght of 15mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
22.5mm .
On the other hand, the Sigma 14mm F1.8 DG HSM is a prime lens with fixed focal lenght of 14mm.