The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 24-70 F2.8 DG DN Art and the Sigma 105mm 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 105mm F1.4 DG HSM A is the longer of the two lenses at 132mm. The Sigma 24-70 F2.8 DG DN Art with a length of 123mm, is 9mm shorter. Besides being longer, the Sigma 105mm F1.4 DG HSM A also has a larger diameter of 116mm compared to the Sigma 24-70 F2.8 DG DN Art's 88mm 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 24-70 F2.8 DG DN Art weighs 835g, which means it is 810g (49%) lighter than the Sigma 105mm F1.4 DG HSM A which has a weight of 1645g.
Filter Threads
The Sigma 24-70 F2.8 DG DN Art has a filter size of 82mm whereas the Sigma 105mm F1.4 DG HSM A has a 105mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 82mm filters that we recommend you to consider for the Sigma 24-70 F2.8 DG DN Art:
And these are the 105mm filters that we recommend for the Sigma 105mm F1.4 DG HSM A:
Lens Mounts
Both the Sigma 24-70 F2.8 DG DN Art and the Sigma 105mm 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, Panasonic S5 II and Panasonic S5 II X.
Sigma 24-70 F2.8 DG DN Art is also available in Sony E mount.
Focal Range
Sigma 24-70 F2.8 DG DN Art has a focal range of 24-70mm and
2.9X zoom ratio .
On the other hand, the Sigma 105mm F1.4 DG HSM A is a prime lens with fixed focal lenght of 105mm.