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 Panasonic S 24-105mm F4 for their suitability to various photography scenarios:
Size and Weight Comparison
Size of a lens is an important deciding factor when comparing two lenses.Panasonic S 24-105mm F4 is the longer of the two lenses at 118mm. The Sigma 28-70mm F2.8 DG DN C with a length of 102mm is 16mm shorter. Besides being longer, the Panasonic S 24-105mm F4 also has a larger diameter of 84mm compared to Sigma 28-70mm F2.8 DG DN C's 72mm diameter.
Below you can find the scaled side by side image of Sigma 28-70mm F2.8 DG DN C and Panasonic S 24-105mm F4 to get a better idea of how their size compare in real life.
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. Sigma 28-70mm F2.8 DG DN C weighs 470g, which means it is 210g (30%) lighter than the Panasonic S 24-105mm F4 which has a weight of 680g.
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 Sigma 28-70mm F2.8 DG DN C and 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.
Sigma 28-70mm F2.8 DG DN C is also available in Sony E mount.
Sigma 28-70mm F2.8 DG DN C has a focal range of 28-70mm and 2.5X zoom ratio . Panasonic S 24-105mm F4 has a focal range of 24-105mm and 4.4X zoom ratio .