The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 50mm F1.4 DG DN Art and the Carl Zeiss C Sonnar T1,5/50 ZM 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 F1.4 DG DN Art is the longer of the two lenses at 110mm. The Carl Zeiss C Sonnar T1,5/50 ZM with a length of 63mm, is 47mm shorter. Besides being longer, the Sigma 50mm F1.4 DG DN Art also has a larger diameter of 78mm compared to the Carl Zeiss C Sonnar T1,5/50 ZM's 56mm 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. Carl Zeiss C Sonnar T1,5/50 ZM weighs 350g, 47% (319g) lighter than the Sigma 50mm F1.4 DG DN Art's weight of 669g.
Filter Threads
The Sigma 50mm F1.4 DG DN Art has a filter size of 72mm whereas the Carl Zeiss C Sonnar T1,5/50 ZM has a 46mm 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 F1.4 DG DN Art:
And these are the 46mm filters that we recommend for the Carl Zeiss C Sonnar T1,5/50 ZM:
Lens Mounts
The Sigma 50mm F1.4 DG DN Art has the Leica L lens mount whereas the Carl Zeiss C Sonnar T1,5/50 ZM has the Leica M lens mount. Some of the latest released cameras that are compatible with these mounts are Leica SL3-P, Panasonic S1 II and Panasonic S1 IIE for the Leica L Mount and Leica M EV1, Leica M11-D and Pixii Max for the Leica M Mount.
Sigma 50mm F1.4 DG DN Art is also available in the Sony E mount.
Focal Range
Both lenses have the same focal range of
50mm but while Sigma 50mm F1.4 DG DN Art has the fastest aperture of
F1.4, the Carl Zeiss C Sonnar T1,5/50 ZM's widest aperture value is
F1.5.