The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Leica APO-SL 35mm F2 ASPH and the Sigma 35mm F1.4 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. Leica APO-SL 35mm F2 ASPH is the longer of the two lenses at 102mm. The Sigma 35mm F1.4 DG HSM with a length of 94mm, is 8mm shorter. On the other hand, the Sigma 35mm F1.4 DG HSM has a larger diameter of 77mm compared to the Leica APO-SL 35mm F2 ASPH's 73mm 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. Sigma 35mm F1.4 DG HSM weighs 665g, 7% (55g) lighter than the Leica APO-SL 35mm F2 ASPH's weight of 720g.
Below you can find the dimension and weight table of the Wideangle Prime Lenses in Leica L Mount for size comparison purposes.
Wideangle Lenses in Leica L Mount for Size Comparison
Filter Threads
Both the Leica APO-SL 35mm F2 ASPH and the Sigma 35mm F1.4 DG HSM 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 Leica APO-SL 35mm F2 ASPH and the Sigma 35mm F1.4 DG HSM has the same Leica L lens mount. Some of the latest released cameras that are compatible with the Leica L lenses are Leica SL3, Panasonic S5 II and Panasonic S5 II X.
Sigma 35mm F1.4 DG HSM is also available in Canon EF , Pentax KAF3, Sony Alpha, Sigma SA and Nikon F (FX) mounts.
Focal Range
Both lenses have the same focal range of
35mm but while Leica APO-SL 35mm F2 ASPH has the fastest aperture of
F2, the Sigma 35mm F1.4 DG HSM's widest aperture value is
F1.4.