The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Panasonic S 28-200mm f4-7.1 and the Sigma 20mm F2 DG DN C 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 28-200mm f4-7.1 is the longer of the two lenses at 93mm. The Sigma 20mm F2 DG DN C with a length of 72mm, is 21mm shorter. Besides being longer, the Panasonic S 28-200mm f4-7.1 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 Panasonic S 28-200mm f4-7.1 and Sigma 20mm F2 DG DN C to get a better idea of how their sizes compare in real life.
Comparison image of the Panasonic S 28-200mm f4-7.1 and the Sigma 20mm F2 DG DN C Size and Weight 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. Sigma 20mm F2 DG DN C weighs 370g, 10% (43g) lighter than the Panasonic S 28-200mm f4-7.1's weight of 413g.
Filter Threads
The Panasonic S 28-200mm f4-7.1 has a filter size of 67mm whereas the Sigma 20mm F2 DG DN C has a 62mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 67mm filters that we recommend you to consider for the Panasonic S 28-200mm f4-7.1:
And these are the 62mm filters that we recommend for the Sigma 20mm F2 DG DN C:
Lens Mounts
The Panasonic S 28-200mm f4-7.1 has the Leica L lens mount whereas the Sigma 20mm F2 DG DN C has the Sony E lens mount . Some of the latest released cameras that are compatible with these mounts are Leica SL3-P , Panasonic S1 II and Panasonic S1 IIE for the Leica L Mount and Sony FX5 , Sony A7R VI and Sony A7 V for the Sony E Mount.
Leica L mount.
Focal Range
Panasonic S 28-200mm f4-7.1 has a focal range of 28-200mm and
7.1X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
42 - 300mm .
On the other hand, the 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 .
