The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Leica SL 14-24mm F2.8 ASPH and the Panasonic S 20-60mm F3.5-5.6 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 SL 14-24mm F2.8 ASPH is the longer of the two lenses at 131mm. The Panasonic S 20-60mm F3.5-5.6 with a length of 87mm, is 44mm shorter. Besides being longer, the Leica SL 14-24mm F2.8 ASPH also has a larger diameter of 85mm compared to the Panasonic S 20-60mm F3.5-5.6's 77mm diameter.
Below you can find a scaled side-by-side image of Leica SL 14-24mm F2.8 ASPH and Panasonic S 20-60mm F3.5-5.6 to get a better idea of how their sizes compare in real life.
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 20-60mm F3.5-5.6 weighs 350g, 59% (505g) lighter than the Leica SL 14-24mm F2.8 ASPH's weight of 855g.
Below you can find the dimension and weight table of the Wideangle Zoom Lenses in Leica L Mount for size comparison purposes.
Ultra-Wideangle Lenses in Leica L Mount for Size Comparison
Both the Leica SL 14-24mm F2.8 ASPH and the Panasonic S 20-60mm F3.5-5.6 has the same Leica L lens mount. Some of the latest released cameras that are compatible with the Leica L lenses are Panasonic S5 II, Panasonic S5 II X and Sigma fp L.
Leica SL 14-24mm F2.8 ASPH has a focal range of 14-24mm and 1.7X
zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 21 - 36mm
On the other hand, the Panasonic S 20-60mm F3.5-5.6 has a focal range of 20-60mm and 3.0X zoom ratio .