The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Nikon Z 20mm F1.8 S and the Sigma 20mm 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 20mm F1.4 DG HSM A is the longer of the two lenses at 130mm. The Nikon Z 20mm F1.8 S with a length of 109mm, is 21mm shorter. Besides being longer, the Sigma 20mm F1.4 DG HSM A also has a larger diameter of 91mm compared to the Nikon Z 20mm F1.8 S's 85mm diameter.
Below you can find a scaled side-by-side image of Nikon Z 20mm F1.8 S and Sigma 20mm F1.4 DG HSM A to get a better idea of how their sizes compare in real life.
Comparison image of the Nikon Z 20mm F1.8 S and the Sigma 20mm F1.4 DG HSM A 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. Nikon Z 20mm F1.8 S weighs 505g, which means it is 445g (46%) lighter than the Sigma 20mm F1.4 DG HSM A which has a weight of 950g.
Lens Mounts
The Nikon Z 20mm F1.8 S has the Nikon Z lens mount whereas the Sigma 20mm F1.4 DG HSM A has the Nikon F (FX) lens mount . Some of the latest released cameras that are compatible with these mounts are Nikon ZR , Nikon Z5 II and RED Komodo-X 6K Z for the Nikon Z Mount and Nikon D6 , Nikon D780 and Nikon D3500 for the Nikon F (FX) Mount.
Canon EF , Sigma SA and Leica L mounts.
Focal Range
Both lenses have the same focal range of
20mm but while Nikon Z 20mm F1.8 S has the fastest aperture of
F1.8 , the Sigma 20mm F1.4 DG HSM A's widest aperture value is
F1.4 .
