The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 50mm F1.2 DG DN Art and the Sony 50mm F1.4 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 50mm F1.2 DG DN Art is the longer of the two lenses at 111mm. The Sony 50mm F1.4 with a length of 43mm, is 68mm shorter. Besides being longer, the Sigma 50mm F1.2 DG DN Art also has a larger diameter of 81mm compared to the Sony 50mm F1.4's 66mm 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. Sony 50mm F1.4 weighs 222g, 70% (518g) lighter than the Sigma 50mm F1.2 DG DN Art's weight of 740g.
Filter Threads
The Sigma 50mm F1.2 DG DN Art has a filter size of 72mm whereas the Sony 50mm F1.4 has a 55mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 72mm filters that we recommend you to consider for the Sigma 50mm F1.2 DG DN Art:
And these are the 55mm filters that we recommend for the Sony 50mm F1.4:
Lens Mounts
The Sigma 50mm F1.2 DG DN Art has the Sony E lens mount whereas the Sony 50mm F1.4 has the Sony Alpha 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 Sony A99 II, Sony A68 and Sony A77 II for the Sony Alpha Mount.
Sigma 50mm F1.2 DG DN Art is also available in the Leica L mount.
Focal Range
Both lenses have the same focal range of
50mm but while Sigma 50mm F1.2 DG DN Art has the fastest aperture of
F1.2, the Sony 50mm F1.4's widest aperture value is
F1.4.
