The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 35mm F1.2 DG DN Art and the Sigma 40mm F1.4 DG HSM A 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 40mm F1.4 DG HSM A is the longer of the two lenses at 155mm. The Sigma 35mm F1.2 DG DN Art with a length of 136mm, is 19mm shorter. On the other hand, there is no difference between the max diameters of these lenses, both coming at 88mm.
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 35mm F1.2 DG DN Art weighs 1090g, which means it is 205g (15%) lighter than the Sigma 40mm F1.4 DG HSM A which has a weight of 1295g.
Filter Threads
Both the Sigma 35mm F1.2 DG DN Art and the Sigma 40mm F1.4 DG HSM A have the same Filter thread size of 82mm.
Below are links to the 82mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Sigma 35mm F1.2 DG DN Art and the Sigma 40mm F1.4 DG HSM A has the same Leica L lens mount. Some of the latest released cameras that are compatible with the Leica L lenses are Leica SL3-P, Panasonic S1 II and Panasonic S1 IIE.
Sigma 35mm F1.2 DG DN Art is also available in the Sony E mount.
Sigma 40mm F1.4 DG HSM A is also available in Canon EF , Nikon F (FX), Sigma SA and Sony E mounts.
Focal Range
Sigma 35mm F1.2 DG DN Art is a prime lens with fixed focal lenght of 35mm.
On the other hand, the Sigma 40mm F1.4 DG HSM A is a prime lens with fixed focal lenght of 40mm.