The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Leica SL 24-70mm F2.8 and the Panasonic S 24-105mm F4 for their suitability to various photography scenarios:
Size and Weight Comparison
The size of a lens is an important deciding factor when comparing two lenses. Leica SL 24-70mm F2.8 is the longer of the two lenses at 123mm. The Panasonic S 24-105mm F4 with a length of 118mm, is 5mm shorter. Besides being longer, the Leica SL 24-70mm F2.8 also has a larger diameter of 88mm compared to the Panasonic S 24-105mm F4's 84mm diameter.
Below you can find a scaled side-by-side image of Leica SL 24-70mm F2.8 and Panasonic S 24-105mm F4 to get a better idea of how their sizes compare in real life.
The weight of a lens is as important as its external dimensions, especially if you are planning to hand hold your camera and lens combination for longer periods. Panasonic S 24-105mm F4 weighs 680g, 20% (176g) lighter than the Leica SL 24-70mm F2.8's weight of 856g.
Below you can find the dimension and weight table of the Standard Zoom Lenses in Leica L Mount for size comparison purposes.
Standard Zoom Lenses in Leica L Mount for Size Comparison
Both the Leica SL 24-70mm F2.8 and the Panasonic S 24-105mm F4 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 24-70mm F2.8 has a focal range of 24-70mm and 2.9X zoom ratio . Panasonic S 24-105mm F4 has a focal range of 24-105mm and 4.4X zoom ratio .