The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 105mm F1.4 DG HSM and the Sigma 14mm F1.8 DG HSM 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 is the longer of the two lenses at 132mm. The Sigma 14mm F1.8 DG HSM with a length of 126mm, is 6mm shorter. Besides being longer, the Sigma 105mm F1.4 DG HSM also has a larger diameter of 116mm compared to the Sigma 14mm F1.8 DG HSM's 95mm 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 14mm F1.8 DG HSM weighs 1170g, 28% (475g) lighter than the Sigma 105mm F1.4 DG HSM's weight of 1645g.
Lens Mounts
Both the Sigma 105mm F1.4 DG HSM and the Sigma 14mm F1.8 DG HSM has the same Sigma SA lens mount. Some of the latest released cameras that are compatible with the Sigma SA lenses are Sigma Quattro, Sigma Quattro H and Sigma SD1 Merrill.
Sigma 105mm F1.4 DG HSM is also available in the Canon EF , Nikon F (FX) and Sony E mounts.
Sigma 14mm F1.8 DG HSM is also available in Nikon F (FX) and Canon EF mounts.
Focal Range
Sigma 105mm F1.4 DG HSM is a prime lens with fixed focal lenght of 105mm.
On the other hand, the Sigma 14mm F1.8 DG HSM is a prime lens with fixed focal lenght of 14mm.
