The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Panasonic S 18mm F1.8 and the Sigma 35mm F1.4 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 35mm F1.4 DG DN Art is the longer of the two lenses at 110mm. The Panasonic S 18mm F1.8 with a length of 82mm, is 28mm shorter. Besides being longer, the Sigma 35mm F1.4 DG DN Art also has a larger diameter of 76mm compared to the Panasonic S 18mm F1.8's 74mm 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. Panasonic S 18mm F1.8 weighs 340g, which means it is 305g (47%) lighter than the Sigma 35mm F1.4 DG DN Art which has a weight of 645g.
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 Panasonic S 18mm F1.8 and the Sigma 35mm F1.4 DG DN Art 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 Panasonic S 18mm F1.8 and the Sigma 35mm F1.4 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.
Sigma 35mm F1.4 DG DN Art is also available in Sony E mount.
Focal Range
Panasonic S 18mm F1.8 is a prime lens with fixed focal lenght of 18mm.
On the other hand, the Sigma 35mm F1.4 DG DN Art is a prime lens with fixed focal lenght of 35mm.
