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 12-24mm F4 DG HSM for their suitability to various photography scenarios:
Size and Weight Comparison
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 12-24mm F4 DG HSM weighs 1151g, 30% (494g) 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 12-24mm F4 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 12-24mm F4 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 12-24mm F4 DG HSM has a focal range of 12-24mm and 2.0X zoom ratio .
