The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Leica SL 50mm F1.4 2026 and the Sigma 50mm F1.2 DG DN Art 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 109mm. The Leica SL 50mm F1.4 2026 with a length of 76mm, is 33mm shorter. Besides being longer, the Sigma 50mm F1.2 DG DN Art also has a larger diameter of 81mm compared to the Leica SL 50mm F1.4 2026's 74mm diameter.
Below you can find a scaled side-by-side image of Leica SL 50mm F1.4 2026 and Sigma 50mm F1.2 DG DN Art to get a better idea of how their sizes compare in real life.
Comparison image of the Leica SL 50mm F1.4 2026 and the Sigma 50mm F1.2 DG DN Art 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. Leica SL 50mm F1.4 2026 weighs 584g, which means it is 161g (21%) lighter than the Sigma 50mm F1.2 DG DN Art which has a weight of 745g.
Below you can find the dimension and weight table of the Standard Prime Lenses in Leica L Mount for size comparison purposes.
Standard Leica L Mount
Filter Threads
The Leica SL 50mm F1.4 2026 has a filter size of 67mm whereas the Sigma 50mm F1.2 DG DN Art has a 72mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 67mm filters that we recommend you to consider for the Leica SL 50mm F1.4 2026:
And these are the 72mm filters that we recommend for the Sigma 50mm F1.2 DG DN Art:
Lens Mounts
Both the Leica SL 50mm F1.4 2026 and the Sigma 50mm F1.2 DG DN Art 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 .
Sony E mount.
Focal Range
Both lenses have the same focal range of
50mm but while Leica SL 50mm F1.4 2026 has the fastest aperture of
F1.4 , the Sigma 50mm F1.2 DG DN Art's widest aperture value is
F1.2 .
