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 HSM and the Sigma 85mm F1.4 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 14-24mm F2.8 DG HSM is the longer of the two lenses at 135mm. The Sigma 85mm F1.4 DG HSM with a length of 126mm, is 9mm shorter. Besides being longer, the Sigma 14-24mm F2.8 DG HSM also has a larger diameter of 96mm compared to the Sigma 85mm F1.4 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 85mm F1.4 DG HSM weighs 1130g, 1% (20g) lighter than the Sigma 14-24mm F2.8 DG HSM's weight of 1150g.
Lens Mounts
Both the Sigma 14-24mm F2.8 DG HSM and the Sigma 85mm F1.4 DG HSM has the same Canon EF lens mount. Some of the latest released cameras that are compatible with the Canon EF lenses are Canon 1D X III, Canon 6D MII and Canon 5D MIV.
Sigma 14-24mm F2.8 DG HSM is also available in Nikon F (FX) and Sigma SA mounts.
Sigma 85mm F1.4 DG HSM is also available in Sigma SA and Nikon F (FX) mounts.
Focal Range
Sigma 14-24mm F2.8 DG HSM has a focal range of 14-24mm and
1.7X zoom ratio . When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of
22.4 - 38.4mm.
On the other hand, the Sigma 85mm F1.4 DG HSM is a prime lens with fixed focal lenght of 85mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of 136mm.