The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Panasonic S 14-28mm F4-5.6 and the Sigma 28mm F1.4 DG HSM A 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. Sigma 28mm F1.4 DG HSM A is the longer of the two lenses at 108mm. The Panasonic S 14-28mm F4-5.6 with a length of 90mm, is 18mm shorter. On the other hand, the Panasonic S 14-28mm F4-5.6 has a larger diameter of 84mm compared to the Sigma 28mm F1.4 DG HSM A's 83mm diameter.
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 14-28mm F4-5.6 weighs 345g, which means it is 615g (64%) lighter than the Sigma 28mm F1.4 DG HSM A which has a weight of 960g.
Filter Threads
Both the Panasonic S 14-28mm F4-5.6 and the Sigma 28mm F1.4 DG HSM A have the same Filter thread size of 77mm.
Below are links to the 77mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Panasonic S 14-28mm F4-5.6 and the Sigma 28mm F1.4 DG HSM A has the same Leica L lens mount. Some of the latest released cameras that are compatible with the Leica L lenses are Leica SL3-P, Panasonic S1 II and Panasonic S1 IIE.
Sigma 28mm F1.4 DG HSM A is also available in Canon EF , Nikon F (FX), Sigma SA and Sony E mounts.
Focal Range
Panasonic S 14-28mm F4-5.6 has a focal range of 14-28mm and
2.0X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
21 - 42mm.
On the other hand, the Sigma 28mm F1.4 DG HSM A is a prime lens with fixed focal lenght of 28mm.
