The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tokina 17-35mm f4 Pro FX and the Sigma 12-24mm F4.5-5.6 EX 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 12-24mm F4.5-5.6 EX DG HSM is the longer of the two lenses at 103mm. The Tokina 17-35mm f4 Pro FX with a length of 94mm, is 9mm shorter. On the other hand, the Tokina 17-35mm f4 Pro FX has a larger diameter of 89mm compared to the Sigma 12-24mm F4.5-5.6 EX DG HSM's 87mm 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.
Lens Mounts
The Tokina 17-35mm f4 Pro FX has the Nikon F (FX) lens mount whereas the Sigma 12-24mm F4.5-5.6 EX DG HSM has the Pentax KAF lens mount. Some of the latest released cameras that are compatible with these mounts are Nikon D6, Nikon D780 and Nikon D3500 for the Nikon F (FX) Mount and Pentax K-3 III Mono, Pentax KF and Pentax K-3 III for the Pentax KAF Mount.
Tokina 17-35mm f4 Pro FX is also available in the Canon EF mount.
Sigma 12-24mm F4.5-5.6 EX DG HSM is also available in Canon EF , Sony Alpha, Sigma SA and Nikon F (FX) mounts.
Focal Range
Tokina 17-35mm f4 Pro FX has a focal range of 17-35mm and
2.1X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
25.5 - 52.5mm.
On the other hand, the Sigma 12-24mm F4.5-5.6 EX DG HSM has a focal range of 12-24mm and 2.0X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 18 - 36mm.
