The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 14-24mm F2.8 DG DN Art and the Sigma 105mm F2.8 EX DG Macro 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 14-24mm F2.8 DG DN Art is the longer of the two lenses at 131mm. The Sigma 105mm F2.8 EX DG Macro with a length of 98mm, is 33mm shorter. Besides being longer, the Sigma 14-24mm F2.8 DG DN Art also has a larger diameter of 85mm compared to the Sigma 105mm F2.8 EX DG Macro's 74mm 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. Sigma 105mm F2.8 EX DG Macro weighs 460g, 42% (335g) lighter than the Sigma 14-24mm F2.8 DG DN Art's weight of 795g.
Lens Mounts
The Sigma 14-24mm F2.8 DG DN Art has the Leica L lens mount whereas the Sigma 105mm F2.8 EX DG Macro has the Sony Alpha lens mount. Some of the latest released cameras that are compatible with these mounts are Leica SL3, Panasonic S5 II and Panasonic S5 II X for the Leica L Mount and Sony A99 II, Sony A68 and Sony A77 II for the Sony Alpha Mount.
Sigma 14-24mm F2.8 DG DN Art is also available in Sony E mount.
Sigma 105mm F2.8 EX DG Macro is also available in Canon EF , Nikon F (FX), Pentax KAF, Sigma SA and Four Thirds mounts.
Focal Range
Sigma 14-24mm F2.8 DG DN Art has a focal range of 14-24mm and
1.7X zoom ratio .
On the other hand, the Sigma 105mm F2.8 EX DG Macro is a prime lens with fixed focal lenght of 105mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 157.5mm.