The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tokina atx-i 100mm F2.8 FF Macro 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 85mm F1.4 DG HSM is the longer of the two lenses at 126mm. The Tokina atx-i 100mm F2.8 FF Macro with a length of 95mm, is 31mm shorter. Besides being longer, the Sigma 85mm F1.4 DG HSM also has a larger diameter of 95mm compared to the Tokina atx-i 100mm F2.8 FF Macro's 73mm 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. Tokina atx-i 100mm F2.8 FF Macro weighs 530g, which means it is 600g (53%) lighter than the Sigma 85mm F1.4 DG HSM which has a weight of 1130g.
Filter Threads
The Tokina atx-i 100mm F2.8 FF Macro has a filter size of 55mm whereas the Sigma 85mm F1.4 DG HSM has a 86mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 55mm filters that we recommend you to consider for the Tokina atx-i 100mm F2.8 FF Macro:
And these are the 86mm filters that we recommend for the Sigma 85mm F1.4 DG HSM:
Lens Mounts
Both the Tokina atx-i 100mm F2.8 FF Macro 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 Blackmagic URSA 12K LF, Z CAM E2-F6 II 6K and Z CAM E2-S6 II 6K.
Tokina atx-i 100mm F2.8 FF Macro is also available in the Nikon F (FX) , Canon EF and Nikon F (FX) mounts.
Sigma 85mm F1.4 DG HSM is also available in Sigma SA and Nikon F (FX) mounts.
Focal Range
Tokina atx-i 100mm F2.8 FF Macro is a prime lens with fixed focal lenght of 100mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of
160mm.
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.
