The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Nikon Z 50mm F1.8 S and the Sigma 50mm F1.4 EX 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. Nikon Z 50mm F1.8 S is the longer of the two lenses at 87mm. The Sigma 50mm F1.4 EX DG HSM with a length of 68mm, is 19mm shorter. On the other hand, the Sigma 50mm F1.4 EX DG HSM has a larger diameter of 85mm compared to the Nikon Z 50mm F1.8 S's 76mm diameter.
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 50mm F1.8 S weighs 415g, which means it is 90g (17%) lighter than the Sigma 50mm F1.4 EX DG HSM which has a weight of 505g.
Filter Threads
The Nikon Z 50mm F1.8 S has a filter size of 62mm whereas the Sigma 50mm F1.4 EX DG HSM 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 62mm filters that we recommend you to consider for the Nikon Z 50mm F1.8 S:
And these are the 77mm filters that we recommend for the Sigma 50mm F1.4 EX DG HSM:
Lens Mounts
The Nikon Z 50mm F1.8 S has the Nikon Z lens mount whereas the Sigma 50mm F1.4 EX DG HSM has the Sony Alpha 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 Sony A99 II, Sony A68 and Sony A77 II for the Sony Alpha Mount.
Sigma 50mm F1.4 EX DG HSM is also available in Canon EF , Pentax KAF3, Sigma SA, Nikon F (FX) and Four Thirds mounts.
Focal Range
Both lenses have the same focal range of
50mm but while Nikon Z 50mm F1.8 S has the fastest aperture of
F1.8, the Sigma 50mm F1.4 EX DG HSM's widest aperture value is
F1.4.
