The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 28-70mm F2.8 DG DN C and the Leica APO-SL 50mm F2 ASPH for their suitability to various photography scenarios:
Size and Weight Comparison Below you can find a scaled side-by-side image of Sigma 28-70mm F2.8 DG DN C and Leica APO-SL 50mm F2 ASPH to get a better idea of how their sizes compare in real life.
Comparison image of the Sigma 28-70mm F2.8 DG DN C and the Leica APO-SL 50mm F2 ASPH 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. Sigma 28-70mm F2.8 DG DN C weighs 470g, which means it is 270g (36%) lighter than the Leica APO-SL 50mm F2 ASPH which has a weight of 740g.
Filter Threads
Both the Sigma 28-70mm F2.8 DG DN C and the Leica APO-SL 50mm F2 ASPH have the same Filter thread size of 67mm .
Below are links to the 67mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Sigma 28-70mm F2.8 DG DN C and the Leica APO-SL 50mm F2 ASPH 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 .
Focal Range
Sigma 28-70mm F2.8 DG DN C has a focal range of 28-70mm and
2.5X zoom ratio .
On the other hand, the Leica APO-SL 50mm F2 ASPH is a prime lens with fixed focal lenght of 50mm.