The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 14mm F1.8 DG HSM Art and the Sony FE 100-400mm F4.5-5.6 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. Sony FE 100-400mm F4.5-5.6 is the longer of the two lenses at 205mm. The Sigma 14mm F1.8 DG HSM Art with a length of 126mm, is 79mm shorter. On the other hand, the Sigma 14mm F1.8 DG HSM Art has a larger diameter of 95mm compared to the Sony FE 100-400mm F4.5-5.6's 94mm diameter.
Below you can find a scaled side-by-side image of Sigma 14mm F1.8 DG HSM Art and Sony FE 100-400mm F4.5-5.6 to get a better idea of how their sizes compare in real life.
Comparison image of the Sigma 14mm F1.8 DG HSM Art and the Sony FE 100-400mm F4.5-5.6 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 14mm F1.8 DG HSM Art weighs 1170g, which means it is 225g (16%) lighter than the Sony FE 100-400mm F4.5-5.6 which has a weight of 1395g.
Lens Mounts
The Sigma 14mm F1.8 DG HSM Art has the Leica L lens mount whereas the Sony FE 100-400mm F4.5-5.6 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.
Focal Range
Sigma 14mm F1.8 DG HSM Art is a prime lens with fixed focal lenght of 14mm.
On the other hand, the Sony FE 100-400mm F4.5-5.6 has a focal range of 100-400mm and 4.0X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 150 - 600mm .
