The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 20mm F2 DG DN C 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. Panasonic S 20-60mm F3.5-5.6 is the longer of the two lenses at 87mm. The Sigma 20mm F2 DG DN C with a length of 72mm, is 15mm shorter. Besides being longer, the Panasonic S 20-60mm F3.5-5.6 also has a larger diameter of 77mm compared to the Sigma 20mm F2 DG DN C's 70mm diameter.
Below you can find a scaled side-by-side image of Sigma 20mm F2 DG DN C 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, 5% (20g) lighter than the Sigma 20mm F2 DG DN C's weight of 370g.
The Sigma 20mm F2 DG DN C has a filter size of 62mm whereas the Panasonic S 20-60mm F3.5-5.6 has a 67mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 62mm filters that we recommend you to consider for the Sigma 20mm F2 DG DN C:
And these are the 67mm filters that we recommend for the Panasonic S 20-60mm F3.5-5.6:
Both the Sigma 20mm F2 DG DN C 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.
Sigma 20mm F2 DG DN C is also available in Sony E mount.
Sigma 20mm F2 DG DN C is a prime lens with fixed focal lenght of 20mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 30mm
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 .