The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 20mm F1.4 DG DN A and the Nikon Z 20mm F1.8 S 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 DN A is the longer of the two lenses at 111mm. The Nikon Z 20mm F1.8 S with a length of 109mm, is 2mm shorter. Besides being longer, the Sigma 20mm F1.4 DG DN A also has a larger diameter of 88mm compared to the Nikon Z 20mm F1.8 S's 85mm diameter.
Below you can find a scaled side-by-side image of Sigma 20mm F1.4 DG DN A and Nikon Z 20mm F1.8 S to get a better idea of how their sizes compare in real life.
Comparison image of the Sigma 20mm F1.4 DG DN A and the Nikon Z 20mm F1.8 S 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, 20% (130g) lighter than the Sigma 20mm F1.4 DG DN A's weight of 635g.
Filter Threads
The Sigma 20mm F1.4 DG DN A has a filter size of 82mm whereas the Nikon Z 20mm F1.8 S has a 77mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 82mm filters that we recommend you to consider for the Sigma 20mm F1.4 DG DN A:
And these are the 77mm filters that we recommend for the Nikon Z 20mm F1.8 S:
Lens Mounts
The Sigma 20mm F1.4 DG DN A has the Sony E lens mount whereas the Nikon Z 20mm F1.8 S has the Nikon Z 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 Nikon ZR , Nikon Z5 II and RED Komodo-X 6K Z for the Nikon Z Mount.
Focal Range
Both lenses have the same focal range of
20mm but while Sigma 20mm F1.4 DG DN A has the fastest aperture of
F1.4 , the Nikon Z 20mm F1.8 S's widest aperture value is
F1.8 .
